Update vendor

1 files changed, 11502 insertions, 0 deletions

diff --git a/vendor/github.com/minio/minio-go/v7/functional_tests.go b/vendor/github.com/minio/minio-go/v7/functional_tests.go
new file mode 100644
index 00000000..ba7ff577
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/functional_tests.go
@@ -0,0 +1,11502 @@
+// +build mint
+
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2015-2020 MinIO, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"hash/crc32"
+	"io"
+	"io/ioutil"
+	"math/rand"
+	"mime/multipart"
+	"net/http"
+	"net/url"
+	"os"
+	"path/filepath"
+	"reflect"
+	"runtime"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/dustin/go-humanize"
+	jsoniter "github.com/json-iterator/go"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+	"github.com/minio/minio-go/v7/pkg/encrypt"
+	"github.com/minio/minio-go/v7/pkg/notification"
+	"github.com/minio/minio-go/v7/pkg/tags"
+)
+
+const letterBytes = "abcdefghijklmnopqrstuvwxyz01234569"
+const (
+	letterIdxBits = 6                    // 6 bits to represent a letter index
+	letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
+	letterIdxMax  = 63 / letterIdxBits   // # of letter indices fitting in 63 bits
+)
+const (
+	serverEndpoint = "SERVER_ENDPOINT"
+	accessKey      = "ACCESS_KEY"
+	secretKey      = "SECRET_KEY"
+	enableHTTPS    = "ENABLE_HTTPS"
+	enableKMS      = "ENABLE_KMS"
+)
+
+type mintJSONFormatter struct {
+}
+
+func (f *mintJSONFormatter) Format(entry *log.Entry) ([]byte, error) {
+	data := make(log.Fields, len(entry.Data))
+	for k, v := range entry.Data {
+		switch v := v.(type) {
+		case error:
+			// Otherwise errors are ignored by `encoding/json`
+			// https://github.com/sirupsen/logrus/issues/137
+			data[k] = v.Error()
+		default:
+			data[k] = v
+		}
+	}
+	var json = jsoniter.ConfigCompatibleWithStandardLibrary
+	serialized, err := json.Marshal(data)
+	if err != nil {
+		return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
+	}
+	return append(serialized, '\n'), nil
+}
+
+var readFull = func(r io.Reader, buf []byte) (n int, err error) {
+	// ReadFull reads exactly len(buf) bytes from r into buf.
+	// It returns the number of bytes copied and an error if
+	// fewer bytes were read. The error is EOF only if no bytes
+	// were read. If an EOF happens after reading some but not
+	// all the bytes, ReadFull returns ErrUnexpectedEOF.
+	// On return, n == len(buf) if and only if err == nil.
+	// If r returns an error having read at least len(buf) bytes,
+	// the error is dropped.
+	for n < len(buf) && err == nil {
+		var nn int
+		nn, err = r.Read(buf[n:])
+		// Some spurious io.Reader's return
+		// io.ErrUnexpectedEOF when nn == 0
+		// this behavior is undocumented
+		// so we are on purpose not using io.ReadFull
+		// implementation because this can lead
+		// to custom handling, to avoid that
+		// we simply modify the original io.ReadFull
+		// implementation to avoid this issue.
+		// io.ErrUnexpectedEOF with nn == 0 really
+		// means that io.EOF
+		if err == io.ErrUnexpectedEOF && nn == 0 {
+			err = io.EOF
+		}
+		n += nn
+	}
+	if n >= len(buf) {
+		err = nil
+	} else if n > 0 && err == io.EOF {
+		err = io.ErrUnexpectedEOF
+	}
+	return
+}
+
+func cleanEmptyEntries(fields log.Fields) log.Fields {
+	cleanFields := log.Fields{}
+	for k, v := range fields {
+		if v != "" {
+			cleanFields[k] = v
+		}
+	}
+	return cleanFields
+}
+
+// log successful test runs
+func successLogger(testName string, function string, args map[string]interface{}, startTime time.Time) *log.Entry {
+	// calculate the test case duration
+	duration := time.Since(startTime)
+	// log with the fields as per mint
+	fields := log.Fields{"name": "minio-go: " + testName, "function": function, "args": args, "duration": duration.Nanoseconds() / 1000000, "status": "PASS"}
+	return log.WithFields(cleanEmptyEntries(fields))
+}
+
+// As few of the features are not available in Gateway(s) currently, Check if err value is NotImplemented,
+// and log as NA in that case and continue execution. Otherwise log as failure and return
+func logError(testName string, function string, args map[string]interface{}, startTime time.Time, alert string, message string, err error) {
+	// If server returns NotImplemented we assume it is gateway mode and hence log it as info and move on to next tests
+	// Special case for ComposeObject API as it is implemented on client side and adds specific error details like `Error in upload-part-copy` in
+	// addition to NotImplemented error returned from server
+	if isErrNotImplemented(err) {
+		ignoredLog(testName, function, args, startTime, message).Info()
+	} else {
+		failureLog(testName, function, args, startTime, alert, message, err).Fatal()
+	}
+}
+
+// log failed test runs
+func failureLog(testName string, function string, args map[string]interface{}, startTime time.Time, alert string, message string, err error) *log.Entry {
+	// calculate the test case duration
+	duration := time.Since(startTime)
+	var fields log.Fields
+	// log with the fields as per mint
+	if err != nil {
+		fields = log.Fields{"name": "minio-go: " + testName, "function": function, "args": args,
+			"duration": duration.Nanoseconds() / 1000000, "status": "FAIL", "alert": alert, "message": message, "error": err}
+	} else {
+		fields = log.Fields{"name": "minio-go: " + testName, "function": function, "args": args,
+			"duration": duration.Nanoseconds() / 1000000, "status": "FAIL", "alert": alert, "message": message}
+	}
+	return log.WithFields(cleanEmptyEntries(fields))
+}
+
+// log not applicable test runs
+func ignoredLog(testName string, function string, args map[string]interface{}, startTime time.Time, alert string) *log.Entry {
+	// calculate the test case duration
+	duration := time.Since(startTime)
+	// log with the fields as per mint
+	fields := log.Fields{"name": "minio-go: " + testName, "function": function, "args": args,
+		"duration": duration.Nanoseconds() / 1000000, "status": "NA", "alert": strings.Split(alert, " ")[0] + " is NotImplemented"}
+	return log.WithFields(cleanEmptyEntries(fields))
+}
+
+// Delete objects in given bucket, recursively
+func cleanupBucket(bucketName string, c *minio.Client) error {
+	// Create a done channel to control 'ListObjectsV2' go routine.
+	doneCh := make(chan struct{})
+	// Exit cleanly upon return.
+	defer close(doneCh)
+	// Iterate over all objects in the bucket via listObjectsV2 and delete
+	for objCh := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{Recursive: true}) {
+		if objCh.Err != nil {
+			return objCh.Err
+		}
+		if objCh.Key != "" {
+			err := c.RemoveObject(context.Background(), bucketName, objCh.Key, minio.RemoveObjectOptions{})
+			if err != nil {
+				return err
+			}
+		}
+	}
+	for objPartInfo := range c.ListIncompleteUploads(context.Background(), bucketName, "", true) {
+		if objPartInfo.Err != nil {
+			return objPartInfo.Err
+		}
+		if objPartInfo.Key != "" {
+			err := c.RemoveIncompleteUpload(context.Background(), bucketName, objPartInfo.Key)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	// objects are already deleted, clear the buckets now
+	err := c.RemoveBucket(context.Background(), bucketName)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func cleanupVersionedBucket(bucketName string, c *minio.Client) error {
+	doneCh := make(chan struct{})
+	defer close(doneCh)
+	for obj := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true}) {
+		if obj.Err != nil {
+			return obj.Err
+		}
+		if obj.Key != "" {
+			err := c.RemoveObject(context.Background(), bucketName, obj.Key,
+				minio.RemoveObjectOptions{VersionID: obj.VersionID, GovernanceBypass: true})
+			if err != nil {
+				return err
+			}
+		}
+	}
+	for objPartInfo := range c.ListIncompleteUploads(context.Background(), bucketName, "", true) {
+		if objPartInfo.Err != nil {
+			return objPartInfo.Err
+		}
+		if objPartInfo.Key != "" {
+			err := c.RemoveIncompleteUpload(context.Background(), bucketName, objPartInfo.Key)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	// objects are already deleted, clear the buckets now
+	err := c.RemoveBucket(context.Background(), bucketName)
+	if err != nil {
+		for obj := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true}) {
+			log.Println("found", obj.Key, obj.VersionID)
+		}
+		return err
+	}
+	return err
+}
+
+func isErrNotImplemented(err error) bool {
+	return minio.ToErrorResponse(err).Code == "NotImplemented"
+}
+
+func init() {
+	// If server endpoint is not set, all tests default to
+	// using https://play.min.io
+	if os.Getenv(serverEndpoint) == "" {
+		os.Setenv(serverEndpoint, "play.min.io")
+		os.Setenv(accessKey, "Q3AM3UQ867SPQQA43P2F")
+		os.Setenv(secretKey, "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG")
+		os.Setenv(enableHTTPS, "1")
+	}
+}
+
+var mintDataDir = os.Getenv("MINT_DATA_DIR")
+
+func getMintDataDirFilePath(filename string) (fp string) {
+	if mintDataDir == "" {
+		return
+	}
+	return filepath.Join(mintDataDir, filename)
+}
+
+func newRandomReader(seed, size int64) io.Reader {
+	return io.LimitReader(rand.New(rand.NewSource(seed)), size)
+}
+
+func mustCrcReader(r io.Reader) uint32 {
+	crc := crc32.NewIEEE()
+	_, err := io.Copy(crc, r)
+	if err != nil {
+		panic(err)
+	}
+	return crc.Sum32()
+}
+
+func crcMatches(r io.Reader, want uint32) error {
+	crc := crc32.NewIEEE()
+	_, err := io.Copy(crc, r)
+	if err != nil {
+		panic(err)
+	}
+	got := crc.Sum32()
+	if got != want {
+		return fmt.Errorf("crc mismatch, want %x, got %x", want, got)
+	}
+	return nil
+}
+
+func crcMatchesName(r io.Reader, name string) error {
+	want := dataFileCRC32[name]
+	crc := crc32.NewIEEE()
+	_, err := io.Copy(crc, r)
+	if err != nil {
+		panic(err)
+	}
+	got := crc.Sum32()
+	if got != want {
+		return fmt.Errorf("crc mismatch, want %x, got %x", want, got)
+	}
+	return nil
+}
+
+// read data from file if it exists or optionally create a buffer of particular size
+func getDataReader(fileName string) io.ReadCloser {
+	if mintDataDir == "" {
+		size := int64(dataFileMap[fileName])
+		if _, ok := dataFileCRC32[fileName]; !ok {
+			dataFileCRC32[fileName] = mustCrcReader(newRandomReader(size, size))
+		}
+		return ioutil.NopCloser(newRandomReader(size, size))
+	}
+	reader, _ := os.Open(getMintDataDirFilePath(fileName))
+	if _, ok := dataFileCRC32[fileName]; !ok {
+		dataFileCRC32[fileName] = mustCrcReader(reader)
+		reader.Close()
+		reader, _ = os.Open(getMintDataDirFilePath(fileName))
+	}
+	return reader
+}
+
+// randString generates random names and prepends them with a known prefix.
+func randString(n int, src rand.Source, prefix string) string {
+	b := make([]byte, n)
+	// A rand.Int63() generates 63 random bits, enough for letterIdxMax letters!
+	for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
+		if remain == 0 {
+			cache, remain = src.Int63(), letterIdxMax
+		}
+		if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
+			b[i] = letterBytes[idx]
+			i--
+		}
+		cache >>= letterIdxBits
+		remain--
+	}
+	return prefix + string(b[0:30-len(prefix)])
+}
+
+var dataFileMap = map[string]int{
+	"datafile-0-b":     0,
+	"datafile-1-b":     1,
+	"datafile-1-kB":    1 * humanize.KiByte,
+	"datafile-10-kB":   10 * humanize.KiByte,
+	"datafile-33-kB":   33 * humanize.KiByte,
+	"datafile-100-kB":  100 * humanize.KiByte,
+	"datafile-1.03-MB": 1056 * humanize.KiByte,
+	"datafile-1-MB":    1 * humanize.MiByte,
+	"datafile-5-MB":    5 * humanize.MiByte,
+	"datafile-6-MB":    6 * humanize.MiByte,
+	"datafile-11-MB":   11 * humanize.MiByte,
+	"datafile-65-MB":   65 * humanize.MiByte,
+	"datafile-129-MB":  129 * humanize.MiByte,
+}
+
+var dataFileCRC32 = map[string]uint32{}
+
+func isFullMode() bool {
+	return os.Getenv("MINT_MODE") == "full"
+}
+
+func getFuncName() string {
+	return getFuncNameLoc(2)
+}
+
+func getFuncNameLoc(caller int) string {
+	pc, _, _, _ := runtime.Caller(caller)
+	return strings.TrimPrefix(runtime.FuncForPC(pc).Name(), "main.")
+}
+
+// Tests bucket re-create errors.
+func testMakeBucketError() {
+	region := "eu-central-1"
+
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "MakeBucket(bucketName, region)"
+	// initialize logging params
+	args := map[string]interface{}{
+		"bucketName": "",
+		"region":     region,
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket in 'eu-central-1'.
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: region}); err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket Failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, c)
+
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: region}); err == nil {
+		logError(testName, function, args, startTime, "", "Bucket already exists", err)
+		return
+	}
+	// Verify valid error response from server.
+	if minio.ToErrorResponse(err).Code != "BucketAlreadyExists" &&
+		minio.ToErrorResponse(err).Code != "BucketAlreadyOwnedByYou" {
+		logError(testName, function, args, startTime, "", "Invalid error returned by server", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testMetadataSizeLimit() {
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader, objectSize, opts)"
+	args := map[string]interface{}{
+		"bucketName":        "",
+		"objectName":        "",
+		"opts.UserMetadata": "",
+	}
+	rand.Seed(startTime.Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client creation failed", err)
+		return
+	}
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	const HeaderSizeLimit = 8 * 1024
+	const UserMetadataLimit = 2 * 1024
+
+	// Meta-data greater than the 2 KB limit of AWS - PUT calls with this meta-data should fail
+	metadata := make(map[string]string)
+	metadata["X-Amz-Meta-Mint-Test"] = string(bytes.Repeat([]byte("m"), 1+UserMetadataLimit-len("X-Amz-Meta-Mint-Test")))
+	args["metadata"] = fmt.Sprint(metadata)
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(nil), 0, minio.PutObjectOptions{UserMetadata: metadata})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "Created object with user-defined metadata exceeding metadata size limits", nil)
+		return
+	}
+
+	// Meta-data (headers) greater than the 8 KB limit of AWS - PUT calls with this meta-data should fail
+	metadata = make(map[string]string)
+	metadata["X-Amz-Mint-Test"] = string(bytes.Repeat([]byte("m"), 1+HeaderSizeLimit-len("X-Amz-Mint-Test")))
+	args["metadata"] = fmt.Sprint(metadata)
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(nil), 0, minio.PutObjectOptions{UserMetadata: metadata})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "Created object with headers exceeding header size limits", nil)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests various bucket supported formats.
+func testMakeBucketRegions() {
+	region := "eu-central-1"
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "MakeBucket(bucketName, region)"
+	// initialize logging params
+	args := map[string]interface{}{
+		"bucketName": "",
+		"region":     region,
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket in 'eu-central-1'.
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: region}); err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	// Delete all objects and buckets
+	if err = cleanupBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	// Make a new bucket with '.' in its name, in 'us-west-2'. This
+	// request is internally staged into a path style instead of
+	// virtual host style.
+	region = "us-west-2"
+	args["region"] = region
+	if err = c.MakeBucket(context.Background(), bucketName+".withperiod", minio.MakeBucketOptions{Region: region}); err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	// Delete all objects and buckets
+	if err = cleanupBucket(bucketName+".withperiod", c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test PutObject using a large data to trigger multipart readat
+func testPutObjectReadAt() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"opts":       "objectContentType",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// Object content type
+	objectContentType := "binary/octet-stream"
+	args["objectContentType"] = objectContentType
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: objectContentType})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Get Object failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat Object failed", err)
+		return
+	}
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Number of bytes in stat does not match, expected %d got %d", bufSize, st.Size), err)
+		return
+	}
+	if st.ContentType != objectContentType && st.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "Content types don't match", err)
+		return
+	}
+	if err := crcMatchesName(r, "datafile-129-MB"); err != nil {
+		logError(testName, function, args, startTime, "", "data CRC check failed", err)
+		return
+	}
+	if err := r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", "Object Close failed", err)
+		return
+	}
+	if err := r.Close(); err == nil {
+		logError(testName, function, args, startTime, "", "Object is already closed, didn't return error on Close", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testListObjectVersions() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ListObjectVersions(bucketName, prefix, recursive)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"prefix":     "",
+		"recursive":  "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	bufSize := dataFileMap["datafile-10-kB"]
+	var reader = getDataReader("datafile-10-kB")
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	reader.Close()
+
+	bufSize = dataFileMap["datafile-1-b"]
+	reader = getDataReader("datafile-1-b")
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	reader.Close()
+
+	err = c.RemoveObject(context.Background(), bucketName, objectName, minio.RemoveObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Unexpected object deletion", err)
+		return
+	}
+
+	var deleteMarkers, versions int
+
+	objectsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+	for info := range objectsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		if info.Key != objectName {
+			logError(testName, function, args, startTime, "", "Unexpected object name in listing objects", nil)
+			return
+		}
+		if info.VersionID == "" {
+			logError(testName, function, args, startTime, "", "Unexpected version id in listing objects", nil)
+			return
+		}
+		if info.IsDeleteMarker {
+			deleteMarkers++
+			if !info.IsLatest {
+				logError(testName, function, args, startTime, "", "Unexpected IsLatest field in listing objects", nil)
+				return
+			}
+		} else {
+			versions++
+		}
+	}
+
+	if deleteMarkers != 1 {
+		logError(testName, function, args, startTime, "", "Unexpected number of DeleteMarker elements in listing objects", nil)
+		return
+	}
+
+	if versions != 2 {
+		logError(testName, function, args, startTime, "", "Unexpected number of Version elements in listing objects", nil)
+		return
+	}
+
+	// Delete all objects and their versions as long as the bucket itself
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testStatObjectWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "StatObject"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	bufSize := dataFileMap["datafile-10-kB"]
+	var reader = getDataReader("datafile-10-kB")
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	reader.Close()
+
+	bufSize = dataFileMap["datafile-1-b"]
+	reader = getDataReader("datafile-1-b")
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	reader.Close()
+
+	objectsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+
+	var results []minio.ObjectInfo
+	for info := range objectsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		results = append(results, info)
+	}
+
+	if len(results) != 2 {
+		logError(testName, function, args, startTime, "", "Unexpected number of Version elements in listing objects", nil)
+		return
+	}
+
+	for i := 0; i < len(results); i++ {
+		opts := minio.StatObjectOptions{VersionID: results[i].VersionID}
+		statInfo, err := c.StatObject(context.Background(), bucketName, objectName, opts)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "error during HEAD object", err)
+			return
+		}
+		if statInfo.VersionID == "" || statInfo.VersionID != results[i].VersionID {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected version id", err)
+			return
+		}
+		if statInfo.ETag != results[i].ETag {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected ETag", err)
+			return
+		}
+		if statInfo.LastModified.Unix() != results[i].LastModified.Unix() {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected Last-Modified", err)
+			return
+		}
+		if statInfo.Size != results[i].Size {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected Content-Length", err)
+			return
+		}
+	}
+
+	// Delete all objects and their versions as long as the bucket itself
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testGetObjectWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject()"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// Save the contents of datafiles to check with GetObject() reader output later
+	var buffers [][]byte
+	var testFiles = []string{"datafile-1-b", "datafile-10-kB"}
+
+	for _, testFile := range testFiles {
+		r := getDataReader(testFile)
+		buf, err := ioutil.ReadAll(r)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "unexpected failure", err)
+			return
+		}
+		r.Close()
+		_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutObject failed", err)
+			return
+		}
+		buffers = append(buffers, buf)
+	}
+
+	objectsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+
+	var results []minio.ObjectInfo
+	for info := range objectsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		results = append(results, info)
+	}
+
+	if len(results) != 2 {
+		logError(testName, function, args, startTime, "", "Unexpected number of Version elements in listing objects", nil)
+		return
+	}
+
+	sort.SliceStable(results, func(i, j int) bool {
+		return results[i].Size < results[j].Size
+	})
+
+	sort.SliceStable(buffers, func(i, j int) bool {
+		return len(buffers[i]) < len(buffers[j])
+	})
+
+	for i := 0; i < len(results); i++ {
+		opts := minio.GetObjectOptions{VersionID: results[i].VersionID}
+		reader, err := c.GetObject(context.Background(), bucketName, objectName, opts)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "error during  GET object", err)
+			return
+		}
+		statInfo, err := reader.Stat()
+		if err != nil {
+			logError(testName, function, args, startTime, "", "error during calling reader.Stat()", err)
+			return
+		}
+		if statInfo.ETag != results[i].ETag {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected ETag", err)
+			return
+		}
+		if statInfo.LastModified.Unix() != results[i].LastModified.Unix() {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected Last-Modified", err)
+			return
+		}
+		if statInfo.Size != results[i].Size {
+			logError(testName, function, args, startTime, "", "error during HEAD object, unexpected Content-Length", err)
+			return
+		}
+
+		tmpBuffer := bytes.NewBuffer([]byte{})
+		_, err = io.Copy(tmpBuffer, reader)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "unexpected io.Copy()", err)
+			return
+		}
+
+		if !bytes.Equal(tmpBuffer.Bytes(), buffers[i]) {
+			logError(testName, function, args, startTime, "", "unexpected content of GetObject()", err)
+			return
+		}
+	}
+
+	// Delete all objects and their versions as long as the bucket itself
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testCopyObjectWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject()"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	var testFiles = []string{"datafile-1-b", "datafile-10-kB"}
+	for _, testFile := range testFiles {
+		r := getDataReader(testFile)
+		buf, err := ioutil.ReadAll(r)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "unexpected failure", err)
+			return
+		}
+		r.Close()
+		_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutObject failed", err)
+			return
+		}
+	}
+
+	objectsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+	var infos []minio.ObjectInfo
+	for info := range objectsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		infos = append(infos, info)
+	}
+
+	sort.Slice(infos, func(i, j int) bool {
+		return infos[i].Size < infos[j].Size
+	})
+
+	reader, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{VersionID: infos[0].VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject of the oldest version content failed", err)
+		return
+	}
+
+	oldestContent, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Reading the oldest object version failed", err)
+		return
+	}
+
+	// Copy Source
+	srcOpts := minio.CopySrcOptions{
+		Bucket:    bucketName,
+		Object:    objectName,
+		VersionID: infos[0].VersionID,
+	}
+	args["src"] = srcOpts
+
+	dstOpts := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: objectName + "-copy",
+	}
+	args["dst"] = dstOpts
+
+	// Perform the Copy
+	if _, err = c.CopyObject(context.Background(), dstOpts, srcOpts); err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	// Destination object
+	readerCopy, err := c.GetObject(context.Background(), bucketName, objectName+"-copy", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer readerCopy.Close()
+
+	newestContent, err := ioutil.ReadAll(readerCopy)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Reading from GetObject reader failed", err)
+		return
+	}
+
+	if len(newestContent) == 0 || !bytes.Equal(oldestContent, newestContent) {
+		logError(testName, function, args, startTime, "", "Unexpected destination object content", err)
+		return
+	}
+
+	// Delete all objects and their versions as long as the bucket itself
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testComposeObjectWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject()"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// var testFiles = []string{"datafile-5-MB", "datafile-10-kB"}
+	var testFiles = []string{"datafile-5-MB", "datafile-10-kB"}
+	var testFilesBytes [][]byte
+
+	for _, testFile := range testFiles {
+		r := getDataReader(testFile)
+		buf, err := ioutil.ReadAll(r)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "unexpected failure", err)
+			return
+		}
+		r.Close()
+		_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutObject failed", err)
+			return
+		}
+		testFilesBytes = append(testFilesBytes, buf)
+	}
+
+	objectsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+
+	var results []minio.ObjectInfo
+	for info := range objectsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		results = append(results, info)
+	}
+
+	sort.SliceStable(results, func(i, j int) bool {
+		return results[i].Size > results[j].Size
+	})
+
+	// Source objects to concatenate. We also specify decryption
+	// key for each
+	src1 := minio.CopySrcOptions{
+		Bucket:    bucketName,
+		Object:    objectName,
+		VersionID: results[0].VersionID,
+	}
+
+	src2 := minio.CopySrcOptions{
+		Bucket:    bucketName,
+		Object:    objectName,
+		VersionID: results[1].VersionID,
+	}
+
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: objectName + "-copy",
+	}
+
+	_, err = c.ComposeObject(context.Background(), dst, src1, src2)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ComposeObject failed", err)
+		return
+	}
+
+	// Destination object
+	readerCopy, err := c.GetObject(context.Background(), bucketName, objectName+"-copy", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject of the copy object failed", err)
+		return
+	}
+	defer readerCopy.Close()
+
+	copyContentBytes, err := ioutil.ReadAll(readerCopy)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Reading from the copy object reader failed", err)
+		return
+	}
+
+	var expectedContent []byte
+	for _, fileBytes := range testFilesBytes {
+		expectedContent = append(expectedContent, fileBytes...)
+	}
+
+	if len(copyContentBytes) == 0 || !bytes.Equal(copyContentBytes, expectedContent) {
+		logError(testName, function, args, startTime, "", "Unexpected destination object content", err)
+		return
+	}
+
+	// Delete all objects and their versions as long as the bucket itself
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testRemoveObjectWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "DeleteObject()"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, getDataReader("datafile-10-kB"), int64(dataFileMap["datafile-10-kB"]), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	objectsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+	var version minio.ObjectInfo
+	for info := range objectsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		version = info
+		break
+	}
+
+	err = c.RemoveObject(context.Background(), bucketName, objectName, minio.RemoveObjectOptions{VersionID: version.VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "DeleteObject failed", err)
+		return
+	}
+
+	objectsInfo = c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+	for range objectsInfo {
+		logError(testName, function, args, startTime, "", "Unexpected versioning info, should not have any one ", err)
+		return
+	}
+
+	err = c.RemoveBucket(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testRemoveObjectsWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "DeleteObjects()"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, getDataReader("datafile-10-kB"), int64(dataFileMap["datafile-10-kB"]), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	objectsVersions := make(chan minio.ObjectInfo)
+	go func() {
+		objectsVersionsInfo := c.ListObjects(context.Background(), bucketName,
+			minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+		for info := range objectsVersionsInfo {
+			if info.Err != nil {
+				logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+				return
+			}
+			objectsVersions <- info
+		}
+		close(objectsVersions)
+	}()
+
+	removeErrors := c.RemoveObjects(context.Background(), bucketName, objectsVersions, minio.RemoveObjectsOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "DeleteObjects call failed", err)
+		return
+	}
+
+	for e := range removeErrors {
+		if e.Err != nil {
+			logError(testName, function, args, startTime, "", "Single delete operation failed", err)
+			return
+		}
+	}
+
+	objectsVersionsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+	for range objectsVersionsInfo {
+		logError(testName, function, args, startTime, "", "Unexpected versioning info, should not have any one ", err)
+		return
+	}
+
+	err = c.RemoveBucket(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testObjectTaggingWithVersioning() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "{Get,Set,Remove}ObjectTagging()"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	err = c.EnableVersioning(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Enable versioning failed", err)
+		return
+	}
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	for _, file := range []string{"datafile-1-b", "datafile-10-kB"} {
+		_, err = c.PutObject(context.Background(), bucketName, objectName, getDataReader(file), int64(dataFileMap[file]), minio.PutObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutObject failed", err)
+			return
+		}
+	}
+
+	versionsInfo := c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{WithVersions: true, Recursive: true})
+
+	var versions []minio.ObjectInfo
+	for info := range versionsInfo {
+		if info.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error during listing objects", err)
+			return
+		}
+		versions = append(versions, info)
+	}
+
+	sort.SliceStable(versions, func(i, j int) bool {
+		return versions[i].Size < versions[j].Size
+	})
+
+	tagsV1 := map[string]string{"key1": "val1"}
+	t1, err := tags.MapToObjectTags(tagsV1)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectTagging (1) failed", err)
+		return
+	}
+
+	err = c.PutObjectTagging(context.Background(), bucketName, objectName, t1, minio.PutObjectTaggingOptions{VersionID: versions[0].VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectTagging (1) failed", err)
+		return
+	}
+
+	tagsV2 := map[string]string{"key2": "val2"}
+	t2, err := tags.MapToObjectTags(tagsV2)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectTagging (1) failed", err)
+		return
+	}
+
+	err = c.PutObjectTagging(context.Background(), bucketName, objectName, t2, minio.PutObjectTaggingOptions{VersionID: versions[1].VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectTagging (2) failed", err)
+		return
+	}
+
+	tagsEqual := func(tags1, tags2 map[string]string) bool {
+		for k1, v1 := range tags1 {
+			v2, found := tags2[k1]
+			if found {
+				if v1 != v2 {
+					return false
+				}
+			}
+		}
+		return true
+	}
+
+	gotTagsV1, err := c.GetObjectTagging(context.Background(), bucketName, objectName, minio.GetObjectTaggingOptions{VersionID: versions[0].VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObjectTagging failed", err)
+		return
+	}
+
+	if !tagsEqual(t1.ToMap(), gotTagsV1.ToMap()) {
+		logError(testName, function, args, startTime, "", "Unexpected tags content (1)", err)
+		return
+	}
+
+	gotTagsV2, err := c.GetObjectTagging(context.Background(), bucketName, objectName, minio.GetObjectTaggingOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObjectTaggingContext failed", err)
+		return
+	}
+
+	if !tagsEqual(t2.ToMap(), gotTagsV2.ToMap()) {
+		logError(testName, function, args, startTime, "", "Unexpected tags content (2)", err)
+		return
+	}
+
+	err = c.RemoveObjectTagging(context.Background(), bucketName, objectName, minio.RemoveObjectTaggingOptions{VersionID: versions[0].VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectTagging (2) failed", err)
+		return
+	}
+
+	emptyTags, err := c.GetObjectTagging(context.Background(), bucketName, objectName,
+		minio.GetObjectTaggingOptions{VersionID: versions[0].VersionID})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObjectTagging failed", err)
+		return
+	}
+
+	if len(emptyTags.ToMap()) != 0 {
+		logError(testName, function, args, startTime, "", "Unexpected tags content (2)", err)
+		return
+	}
+
+	// Delete all objects and their versions as long as the bucket itself
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test PutObject using a large data to trigger multipart readat
+func testPutObjectWithMetadata() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader,size, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"opts":       "minio.PutObjectOptions{UserMetadata: metadata, Progress: progress}",
+	}
+
+	if !isFullMode() {
+		ignoredLog(testName, function, args, startTime, "Skipping functional tests for short/quick runs").Info()
+		return
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Make bucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// Object custom metadata
+	customContentType := "custom/contenttype"
+
+	args["metadata"] = map[string][]string{
+		"Content-Type":         {customContentType},
+		"X-Amz-Meta-CustomKey": {"extra  spaces  in   value"},
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{
+		ContentType: customContentType})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes returned by PutObject does not match GetObject, expected "+string(bufSize)+" got "+string(st.Size), err)
+		return
+	}
+	if st.ContentType != customContentType && st.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "ContentType does not match, expected "+customContentType+" got "+st.ContentType, err)
+		return
+	}
+	if err := crcMatchesName(r, "datafile-129-MB"); err != nil {
+		logError(testName, function, args, startTime, "", "data CRC check failed", err)
+		return
+	}
+	if err := r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", "Object Close failed", err)
+		return
+	}
+	if err := r.Close(); err == nil {
+		logError(testName, function, args, startTime, "", "Object already closed, should respond with error", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testPutObjectWithContentLanguage() {
+	// initialize logging params
+	objectName := "test-object"
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader, size, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": objectName,
+		"size":       -1,
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	data := []byte{}
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(data), int64(0), minio.PutObjectOptions{
+		ContentLanguage: "en",
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	objInfo, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	if objInfo.Metadata.Get("Content-Language") != "en" {
+		logError(testName, function, args, startTime, "", "Expected content-language 'en' doesn't match with StatObject return value", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test put object with streaming signature.
+func testPutObjectStreaming() {
+	// initialize logging params
+	objectName := "test-object"
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader,size,opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": objectName,
+		"size":       -1,
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload an object.
+	sizes := []int64{0, 64*1024 - 1, 64 * 1024}
+
+	for _, size := range sizes {
+		data := newRandomReader(size, size)
+		ui, err := c.PutObject(context.Background(), bucketName, objectName, data, int64(size), minio.PutObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutObjectStreaming failed", err)
+			return
+		}
+
+		if ui.Size != size {
+			logError(testName, function, args, startTime, "", "PutObjectStreaming result has unexpected size", nil)
+			return
+		}
+
+		objInfo, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "StatObject failed", err)
+			return
+		}
+		if objInfo.Size != size {
+			logError(testName, function, args, startTime, "", "Unexpected size", err)
+			return
+		}
+
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test get object seeker from the end, using whence set to '2'.
+func testGetObjectSeekEnd() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes read does not match, expected "+string(int64(bufSize))+" got "+string(st.Size), err)
+		return
+	}
+
+	pos, err := r.Seek(-100, 2)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Object Seek failed", err)
+		return
+	}
+	if pos != st.Size-100 {
+		logError(testName, function, args, startTime, "", "Incorrect position", err)
+		return
+	}
+	buf2 := make([]byte, 100)
+	m, err := readFull(r, buf2)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Error reading through readFull", err)
+		return
+	}
+	if m != len(buf2) {
+		logError(testName, function, args, startTime, "", "Number of bytes dont match, expected "+string(len(buf2))+" got "+string(m), err)
+		return
+	}
+	hexBuf1 := fmt.Sprintf("%02x", buf[len(buf)-100:])
+	hexBuf2 := fmt.Sprintf("%02x", buf2[:m])
+	if hexBuf1 != hexBuf2 {
+		logError(testName, function, args, startTime, "", "Values at same index dont match", err)
+		return
+	}
+	pos, err = r.Seek(-100, 2)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Object Seek failed", err)
+		return
+	}
+	if pos != st.Size-100 {
+		logError(testName, function, args, startTime, "", "Incorrect position", err)
+		return
+	}
+	if err = r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", "ObjectClose failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test get object reader to not throw error on being closed twice.
+func testGetObjectClosedTwice() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(int64(bufSize))+" got "+string(st.Size), err)
+		return
+	}
+	if err := crcMatchesName(r, "datafile-33-kB"); err != nil {
+		logError(testName, function, args, startTime, "", "data CRC check failed", err)
+		return
+	}
+	if err := r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", "Object Close failed", err)
+		return
+	}
+	if err := r.Close(); err == nil {
+		logError(testName, function, args, startTime, "", "Already closed object. No error returned", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test RemoveObjects request where context cancels after timeout
+func testRemoveObjectsContext() {
+	// Initialize logging params.
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "RemoveObjects(ctx, bucketName, objectsCh)"
+	args := map[string]interface{}{
+		"bucketName": "",
+	}
+
+	// Seed random based on current tie.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+	// Enable tracing, write to stdout.
+	// c.TraceOn(os.Stderr)
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate put data.
+	r := bytes.NewReader(bytes.Repeat([]byte("a"), 8))
+
+	// Multi remove of 20 objects.
+	nrObjects := 20
+	objectsCh := make(chan minio.ObjectInfo)
+	go func() {
+		defer close(objectsCh)
+		for i := 0; i < nrObjects; i++ {
+			objectName := "sample" + strconv.Itoa(i) + ".txt"
+			info, err := c.PutObject(context.Background(), bucketName, objectName, r, 8,
+				minio.PutObjectOptions{ContentType: "application/octet-stream"})
+			if err != nil {
+				logError(testName, function, args, startTime, "", "PutObject failed", err)
+				continue
+			}
+			objectsCh <- minio.ObjectInfo{
+				Key:       info.Key,
+				VersionID: info.VersionID,
+			}
+		}
+	}()
+	// Set context to cancel in 1 nanosecond.
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	defer cancel()
+
+	// Call RemoveObjects API with short timeout.
+	errorCh := c.RemoveObjects(ctx, bucketName, objectsCh, minio.RemoveObjectsOptions{})
+	// Check for error.
+	select {
+	case r := <-errorCh:
+		if r.Err == nil {
+			logError(testName, function, args, startTime, "", "RemoveObjects should fail on short timeout", err)
+			return
+		}
+	}
+	// Set context with longer timeout.
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	args["ctx"] = ctx
+	defer cancel()
+	// Perform RemoveObjects with the longer timeout. Expect the removals to succeed.
+	errorCh = c.RemoveObjects(ctx, bucketName, objectsCh, minio.RemoveObjectsOptions{})
+	select {
+	case r, more := <-errorCh:
+		if more || r.Err != nil {
+			logError(testName, function, args, startTime, "", "Unexpected error", r.Err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test removing multiple objects with Remove API
+func testRemoveMultipleObjects() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "RemoveObjects(bucketName, objectsCh)"
+	args := map[string]interface{}{
+		"bucketName": "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Enable tracing, write to stdout.
+	// c.TraceOn(os.Stderr)
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	r := bytes.NewReader(bytes.Repeat([]byte("a"), 8))
+
+	// Multi remove of 1100 objects
+	nrObjects := 200
+
+	objectsCh := make(chan minio.ObjectInfo)
+
+	go func() {
+		defer close(objectsCh)
+		// Upload objects and send them to objectsCh
+		for i := 0; i < nrObjects; i++ {
+			objectName := "sample" + strconv.Itoa(i) + ".txt"
+			info, err := c.PutObject(context.Background(), bucketName, objectName, r, 8,
+				minio.PutObjectOptions{ContentType: "application/octet-stream"})
+			if err != nil {
+				logError(testName, function, args, startTime, "", "PutObject failed", err)
+				continue
+			}
+			objectsCh <- minio.ObjectInfo{
+				Key:       info.Key,
+				VersionID: info.VersionID,
+			}
+		}
+	}()
+
+	// Call RemoveObjects API
+	errorCh := c.RemoveObjects(context.Background(), bucketName, objectsCh, minio.RemoveObjectsOptions{})
+
+	// Check if errorCh doesn't receive any error
+	select {
+	case r, more := <-errorCh:
+		if more {
+			logError(testName, function, args, startTime, "", "Unexpected error", r.Err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests FPutObject of a big file to trigger multipart
+func testFPutObjectMultipart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutObject(bucketName, objectName, fileName, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload 4 parts to utilize all 3 'workers' in multipart and still have a part to upload.
+	var fileName = getMintDataDirFilePath("datafile-129-MB")
+	if fileName == "" {
+		// Make a temp file with minPartSize bytes of data.
+		file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
+		if err != nil {
+			logError(testName, function, args, startTime, "", "TempFile creation failed", err)
+			return
+		}
+		// Upload 2 parts to utilize all 3 'workers' in multipart and still have a part to upload.
+		if _, err = io.Copy(file, getDataReader("datafile-129-MB")); err != nil {
+			logError(testName, function, args, startTime, "", "Copy failed", err)
+			return
+		}
+		if err = file.Close(); err != nil {
+			logError(testName, function, args, startTime, "", "File Close failed", err)
+			return
+		}
+		fileName = file.Name()
+		args["fileName"] = fileName
+	}
+	totalSize := dataFileMap["datafile-129-MB"]
+	// Set base object name
+	objectName := bucketName + "FPutObject" + "-standard"
+	args["objectName"] = objectName
+
+	objectContentType := "testapplication/octet-stream"
+	args["objectContentType"] = objectContentType
+
+	// Perform standard FPutObject with contentType provided (Expecting application/octet-stream)
+	_, err = c.FPutObject(context.Background(), bucketName, objectName, fileName, minio.PutObjectOptions{ContentType: objectContentType})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject failed", err)
+		return
+	}
+
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	objInfo, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Unexpected error", err)
+		return
+	}
+	if objInfo.Size != int64(totalSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(int64(totalSize))+" got "+string(objInfo.Size), err)
+		return
+	}
+	if objInfo.ContentType != objectContentType && objInfo.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "ContentType doesn't match", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests FPutObject with null contentType (default = application/octet-stream)
+func testFPutObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutObject(bucketName, objectName, fileName, opts)"
+
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	location := "us-east-1"
+
+	// Make a new bucket.
+	args["bucketName"] = bucketName
+	args["location"] = location
+	function = "MakeBucket(bucketName, location)"
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: location})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload 3 parts worth of data to use all 3 of multiparts 'workers' and have an extra part.
+	// Use different data in part for multipart tests to check parts are uploaded in correct order.
+	var fName = getMintDataDirFilePath("datafile-129-MB")
+	if fName == "" {
+		// Make a temp file with minPartSize bytes of data.
+		file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
+		if err != nil {
+			logError(testName, function, args, startTime, "", "TempFile creation failed", err)
+			return
+		}
+
+		// Upload 3 parts to utilize all 3 'workers' in multipart and still have a part to upload.
+		if _, err = io.Copy(file, getDataReader("datafile-129-MB")); err != nil {
+			logError(testName, function, args, startTime, "", "File copy failed", err)
+			return
+		}
+		// Close the file pro-actively for windows.
+		if err = file.Close(); err != nil {
+			logError(testName, function, args, startTime, "", "File close failed", err)
+			return
+		}
+		defer os.Remove(file.Name())
+		fName = file.Name()
+	}
+
+	// Set base object name
+	function = "FPutObject(bucketName, objectName, fileName, opts)"
+	objectName := bucketName + "FPutObject"
+	args["objectName"] = objectName + "-standard"
+	args["fileName"] = fName
+	args["opts"] = minio.PutObjectOptions{ContentType: "application/octet-stream"}
+
+	// Perform standard FPutObject with contentType provided (Expecting application/octet-stream)
+	ui, err := c.FPutObject(context.Background(), bucketName, objectName+"-standard", fName, minio.PutObjectOptions{ContentType: "application/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject failed", err)
+		return
+	}
+
+	if ui.Size != int64(dataFileMap["datafile-129-MB"]) {
+		logError(testName, function, args, startTime, "", "FPutObject returned an unexpected upload size", err)
+		return
+	}
+
+	// Perform FPutObject with no contentType provided (Expecting application/octet-stream)
+	args["objectName"] = objectName + "-Octet"
+	_, err = c.FPutObject(context.Background(), bucketName, objectName+"-Octet", fName, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File close failed", err)
+		return
+	}
+
+	srcFile, err := os.Open(fName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File open failed", err)
+		return
+	}
+	defer srcFile.Close()
+	// Add extension to temp file name
+	tmpFile, err := os.Create(fName + ".gtar")
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File create failed", err)
+		return
+	}
+	_, err = io.Copy(tmpFile, srcFile)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File copy failed", err)
+		return
+	}
+	tmpFile.Close()
+
+	// Perform FPutObject with no contentType provided (Expecting application/x-gtar)
+	args["objectName"] = objectName + "-GTar"
+	args["opts"] = minio.PutObjectOptions{}
+	_, err = c.FPutObject(context.Background(), bucketName, objectName+"-GTar", fName+".gtar", minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject failed", err)
+		return
+	}
+
+	// Check headers
+	function = "StatObject(bucketName, objectName, opts)"
+	args["objectName"] = objectName + "-standard"
+	rStandard, err := c.StatObject(context.Background(), bucketName, objectName+"-standard", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if rStandard.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "ContentType does not match, expected application/octet-stream, got "+rStandard.ContentType, err)
+		return
+	}
+
+	function = "StatObject(bucketName, objectName, opts)"
+	args["objectName"] = objectName + "-Octet"
+	rOctet, err := c.StatObject(context.Background(), bucketName, objectName+"-Octet", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if rOctet.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "ContentType does not match, expected application/octet-stream, got "+rOctet.ContentType, err)
+		return
+	}
+
+	function = "StatObject(bucketName, objectName, opts)"
+	args["objectName"] = objectName + "-GTar"
+	rGTar, err := c.StatObject(context.Background(), bucketName, objectName+"-GTar", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if rGTar.ContentType != "application/x-gtar" && rGTar.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "ContentType does not match, expected application/x-gtar or application/octet-stream, got "+rGTar.ContentType, err)
+		return
+	}
+
+	os.Remove(fName + ".gtar")
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests FPutObject request when context cancels after timeout
+func testFPutObjectContext() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutObject(bucketName, objectName, fileName, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+		"opts":       "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload 1 parts worth of data to use multipart upload.
+	// Use different data in part for multipart tests to check parts are uploaded in correct order.
+	var fName = getMintDataDirFilePath("datafile-1-MB")
+	if fName == "" {
+		// Make a temp file with 1 MiB bytes of data.
+		file, err := ioutil.TempFile(os.TempDir(), "FPutObjectContextTest")
+		if err != nil {
+			logError(testName, function, args, startTime, "", "TempFile creation failed", err)
+			return
+		}
+
+		// Upload 1 parts to trigger multipart upload
+		if _, err = io.Copy(file, getDataReader("datafile-1-MB")); err != nil {
+			logError(testName, function, args, startTime, "", "File copy failed", err)
+			return
+		}
+		// Close the file pro-actively for windows.
+		if err = file.Close(); err != nil {
+			logError(testName, function, args, startTime, "", "File close failed", err)
+			return
+		}
+		defer os.Remove(file.Name())
+		fName = file.Name()
+	}
+
+	// Set base object name
+	objectName := bucketName + "FPutObjectContext"
+	args["objectName"] = objectName
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	defer cancel()
+
+	// Perform FPutObject with contentType provided (Expecting application/octet-stream)
+	_, err = c.FPutObject(ctx, bucketName, objectName+"-Shorttimeout", fName, minio.PutObjectOptions{ContentType: "application/octet-stream"})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "FPutObject should fail on short timeout", err)
+		return
+	}
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	defer cancel()
+	// Perform FPutObject with a long timeout. Expect the put object to succeed
+	_, err = c.FPutObject(ctx, bucketName, objectName+"-Longtimeout", fName, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject shouldn't fail on long timeout", err)
+		return
+	}
+
+	_, err = c.StatObject(context.Background(), bucketName, objectName+"-Longtimeout", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Tests FPutObject request when context cancels after timeout
+func testFPutObjectContextV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutObjectContext(ctx, bucketName, objectName, fileName, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"opts":       "minio.PutObjectOptions{ContentType:objectContentType}",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload 1 parts worth of data to use multipart upload.
+	// Use different data in part for multipart tests to check parts are uploaded in correct order.
+	var fName = getMintDataDirFilePath("datafile-1-MB")
+	if fName == "" {
+		// Make a temp file with 1 MiB bytes of data.
+		file, err := ioutil.TempFile(os.TempDir(), "FPutObjectContextTest")
+		if err != nil {
+			logError(testName, function, args, startTime, "", "Temp file creation failed", err)
+			return
+		}
+
+		// Upload 1 parts to trigger multipart upload
+		if _, err = io.Copy(file, getDataReader("datafile-1-MB")); err != nil {
+			logError(testName, function, args, startTime, "", "File copy failed", err)
+			return
+		}
+
+		// Close the file pro-actively for windows.
+		if err = file.Close(); err != nil {
+			logError(testName, function, args, startTime, "", "File close failed", err)
+			return
+		}
+		defer os.Remove(file.Name())
+		fName = file.Name()
+	}
+
+	// Set base object name
+	objectName := bucketName + "FPutObjectContext"
+	args["objectName"] = objectName
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	defer cancel()
+
+	// Perform FPutObject with contentType provided (Expecting application/octet-stream)
+	_, err = c.FPutObject(ctx, bucketName, objectName+"-Shorttimeout", fName, minio.PutObjectOptions{ContentType: "application/octet-stream"})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "FPutObject should fail on short timeout", err)
+		return
+	}
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	defer cancel()
+	// Perform FPutObject with a long timeout. Expect the put object to succeed
+	_, err = c.FPutObject(ctx, bucketName, objectName+"-Longtimeout", fName, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject shouldn't fail on longer timeout", err)
+		return
+	}
+
+	_, err = c.StatObject(context.Background(), bucketName, objectName+"-Longtimeout", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Test validates putObject with context to see if request cancellation is honored.
+func testPutObjectContext() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(ctx, bucketName, objectName, fileName, opts)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+		"opts":       "",
+	}
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Make a new bucket.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket call failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+	objectName := fmt.Sprintf("test-file-%v", rand.Uint32())
+	args["objectName"] = objectName
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	cancel()
+	args["ctx"] = ctx
+	args["opts"] = minio.PutObjectOptions{ContentType: "binary/octet-stream"}
+
+	_, err = c.PutObject(ctx, bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "PutObject should fail on short timeout", err)
+		return
+	}
+
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	args["ctx"] = ctx
+
+	defer cancel()
+	reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+	_, err = c.PutObject(ctx, bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject with long timeout failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Tests get object ReaderSeeker interface methods.
+func testGetObjectReadSeekFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer func() {
+		// Delete all objects and buckets
+		if err = cleanupBucket(bucketName, c); err != nil {
+			logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+			return
+		}
+	}()
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat object failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	// This following function helps us to compare data from the reader after seek
+	// with the data from the original buffer
+	cmpData := func(r io.Reader, start, end int) {
+		if end-start == 0 {
+			return
+		}
+		buffer := bytes.NewBuffer([]byte{})
+		if _, err := io.CopyN(buffer, r, int64(bufSize)); err != nil {
+			if err != io.EOF {
+				logError(testName, function, args, startTime, "", "CopyN failed", err)
+				return
+			}
+		}
+		if !bytes.Equal(buf[start:end], buffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Incorrect read bytes v/s original buffer", err)
+			return
+		}
+	}
+
+	// Generic seek error for errors other than io.EOF
+	seekErr := errors.New("seek error")
+
+	testCases := []struct {
+		offset    int64
+		whence    int
+		pos       int64
+		err       error
+		shouldCmp bool
+		start     int
+		end       int
+	}{
+		// Start from offset 0, fetch data and compare
+		{0, 0, 0, nil, true, 0, 0},
+		// Start from offset 2048, fetch data and compare
+		{2048, 0, 2048, nil, true, 2048, bufSize},
+		// Start from offset larger than possible
+		{int64(bufSize) + 1024, 0, 0, seekErr, false, 0, 0},
+		// Move to offset 0 without comparing
+		{0, 0, 0, nil, false, 0, 0},
+		// Move one step forward and compare
+		{1, 1, 1, nil, true, 1, bufSize},
+		// Move larger than possible
+		{int64(bufSize), 1, 0, seekErr, false, 0, 0},
+		// Provide negative offset with CUR_SEEK
+		{int64(-1), 1, 0, seekErr, false, 0, 0},
+		// Test with whence SEEK_END and with positive offset
+		{1024, 2, int64(bufSize) - 1024, io.EOF, true, 0, 0},
+		// Test with whence SEEK_END and with negative offset
+		{-1024, 2, int64(bufSize) - 1024, nil, true, bufSize - 1024, bufSize},
+		// Test with whence SEEK_END and with large negative offset
+		{-int64(bufSize) * 2, 2, 0, seekErr, true, 0, 0},
+	}
+
+	for i, testCase := range testCases {
+		// Perform seek operation
+		n, err := r.Seek(testCase.offset, testCase.whence)
+		// We expect an error
+		if testCase.err == seekErr && err == nil {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", unexpected err value: expected: "+testCase.err.Error()+", found: "+err.Error(), err)
+			return
+		}
+		// We expect a specific error
+		if testCase.err != seekErr && testCase.err != err {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", unexpected err value: expected: "+testCase.err.Error()+", found: "+err.Error(), err)
+			return
+		}
+		// If we expect an error go to the next loop
+		if testCase.err != nil {
+			continue
+		}
+		// Check the returned seek pos
+		if n != testCase.pos {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", number of bytes seeked does not match, expected "+string(testCase.pos)+", got "+string(n), err)
+			return
+		}
+		// Compare only if shouldCmp is activated
+		if testCase.shouldCmp {
+			cmpData(r, testCase.start, testCase.end)
+		}
+	}
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests get object ReaderAt interface methods.
+func testGetObjectReadAtFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	offset := int64(2048)
+
+	// read directly
+	buf1 := make([]byte, 512)
+	buf2 := make([]byte, 512)
+	buf3 := make([]byte, 512)
+	buf4 := make([]byte, 512)
+
+	// Test readAt before stat is called such that objectInfo doesn't change.
+	m, err := r.ReadAt(buf1, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf1) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf1))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf1, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	m, err = r.ReadAt(buf2, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf2) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf2))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf2, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+
+	offset += 512
+	m, err = r.ReadAt(buf3, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf3) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf3))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf3, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf4, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf4) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf4))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf4, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+
+	buf5 := make([]byte, len(buf))
+	// Read the whole object.
+	m, err = r.ReadAt(buf5, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+	if m != len(buf5) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf5))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf, buf5) {
+		logError(testName, function, args, startTime, "", "Incorrect data read in GetObject, than what was previously uploaded", err)
+		return
+	}
+
+	buf6 := make([]byte, len(buf)+1)
+	// Read the whole object and beyond.
+	_, err = r.ReadAt(buf6, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Reproduces issue https://github.com/minio/minio-go/issues/1137
+func testGetObjectReadAtWhenEOFWasReached() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// read directly
+	buf1 := make([]byte, len(buf))
+	buf2 := make([]byte, 512)
+
+	m, err := r.Read(buf1)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "Read failed", err)
+			return
+		}
+	}
+	if m != len(buf1) {
+		logError(testName, function, args, startTime, "", "Read read shorter bytes before reaching EOF, expected "+string(len(buf1))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf1, buf) {
+		logError(testName, function, args, startTime, "", "Incorrect count of Read data", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	m, err = r.ReadAt(buf2, 512)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf2) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf2))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf2, buf[512:1024]) {
+		logError(testName, function, args, startTime, "", "Incorrect count of ReadAt data", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test Presigned Post Policy
+func testPresignedPostPolicy() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PresignedPostPolicy(policy)"
+	args := map[string]interface{}{
+		"policy": "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	// Azure requires the key to not start with a number
+	metadataKey := randString(60, rand.NewSource(time.Now().UnixNano()), "user")
+	metadataValue := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	policy := minio.NewPostPolicy()
+
+	if err := policy.SetBucket(""); err == nil {
+		logError(testName, function, args, startTime, "", "SetBucket did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetKey(""); err == nil {
+		logError(testName, function, args, startTime, "", "SetKey did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetKeyStartsWith(""); err == nil {
+		logError(testName, function, args, startTime, "", "SetKeyStartsWith did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetExpires(time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC)); err == nil {
+		logError(testName, function, args, startTime, "", "SetExpires did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetContentType(""); err == nil {
+		logError(testName, function, args, startTime, "", "SetContentType did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetContentTypeStartsWith(""); err == nil {
+		logError(testName, function, args, startTime, "", "SetContentTypeStartsWith did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetContentLengthRange(1024*1024, 1024); err == nil {
+		logError(testName, function, args, startTime, "", "SetContentLengthRange did not fail for invalid conditions", err)
+		return
+	}
+	if err := policy.SetUserMetadata("", ""); err == nil {
+		logError(testName, function, args, startTime, "", "SetUserMetadata did not fail for invalid conditions", err)
+		return
+	}
+
+	policy.SetBucket(bucketName)
+	policy.SetKey(objectName)
+	policy.SetExpires(time.Now().UTC().AddDate(0, 0, 10)) // expires in 10 days
+	policy.SetContentType("binary/octet-stream")
+	policy.SetContentLengthRange(10, 1024*1024)
+	policy.SetUserMetadata(metadataKey, metadataValue)
+	args["policy"] = policy.String()
+
+	presignedPostPolicyURL, formData, err := c.PresignedPostPolicy(context.Background(), policy)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedPostPolicy failed", err)
+		return
+	}
+
+	var formBuf bytes.Buffer
+	writer := multipart.NewWriter(&formBuf)
+	for k, v := range formData {
+		writer.WriteField(k, v)
+	}
+
+	// Get a 33KB file to upload and test if set post policy works
+	var filePath = getMintDataDirFilePath("datafile-33-kB")
+	if filePath == "" {
+		// Make a temp file with 33 KB data.
+		file, err := ioutil.TempFile(os.TempDir(), "PresignedPostPolicyTest")
+		if err != nil {
+			logError(testName, function, args, startTime, "", "TempFile creation failed", err)
+			return
+		}
+		if _, err = io.Copy(file, getDataReader("datafile-33-kB")); err != nil {
+			logError(testName, function, args, startTime, "", "Copy failed", err)
+			return
+		}
+		if err = file.Close(); err != nil {
+			logError(testName, function, args, startTime, "", "File Close failed", err)
+			return
+		}
+		filePath = file.Name()
+	}
+
+	// add file to post request
+	f, err := os.Open(filePath)
+	defer f.Close()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File open failed", err)
+		return
+	}
+	w, err := writer.CreateFormFile("file", filePath)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CreateFormFile failed", err)
+		return
+	}
+
+	_, err = io.Copy(w, f)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Copy failed", err)
+		return
+	}
+	writer.Close()
+
+	transport, err := minio.DefaultTransport(mustParseBool(os.Getenv(enableHTTPS)))
+	if err != nil {
+		logError(testName, function, args, startTime, "", "DefaultTransport failed", err)
+		return
+	}
+
+	httpClient := &http.Client{
+		// Setting a sensible time out of 30secs to wait for response
+		// headers. Request is pro-actively canceled after 30secs
+		// with no response.
+		Timeout:   30 * time.Second,
+		Transport: transport,
+	}
+
+	req, err := http.NewRequest(http.MethodPost, presignedPostPolicyURL.String(), bytes.NewReader(formBuf.Bytes()))
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Http request failed", err)
+		return
+	}
+
+	req.Header.Set("Content-Type", writer.FormDataContentType())
+
+	// make post request with correct form data
+	res, err := httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Http request failed", err)
+		return
+	}
+	defer res.Body.Close()
+	if res.StatusCode != http.StatusNoContent {
+		logError(testName, function, args, startTime, "", "Http request failed", errors.New(res.Status))
+		return
+	}
+
+	// expected path should be absolute path of the object
+	var scheme string
+	if mustParseBool(os.Getenv(enableHTTPS)) {
+		scheme = "https://"
+	} else {
+		scheme = "http://"
+	}
+
+	expectedLocation := scheme + os.Getenv(serverEndpoint) + "/" + bucketName + "/" + objectName
+	expectedLocationBucketDNS := scheme + bucketName + "." + os.Getenv(serverEndpoint) + "/" + objectName
+
+	if val, ok := res.Header["Location"]; ok {
+		if val[0] != expectedLocation && val[0] != expectedLocationBucketDNS {
+			logError(testName, function, args, startTime, "", "Location in header response is incorrect", err)
+			return
+		}
+	} else {
+		logError(testName, function, args, startTime, "", "Location not found in header response", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests copy object
+func testCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(dst, src)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Make a new bucket in 'us-east-1' (destination bucket).
+	err = c.MakeBucket(context.Background(), bucketName+"-copy", minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName+"-copy", c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	// Check the various fields of source object against destination object.
+	objInfo, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	// Copy Source
+	src := minio.CopySrcOptions{
+		Bucket: bucketName,
+		Object: objectName,
+		// Set copy conditions.
+		MatchETag:          objInfo.ETag,
+		MatchModifiedSince: time.Date(2014, time.April, 0, 0, 0, 0, 0, time.UTC),
+	}
+	args["src"] = src
+
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName + "-copy",
+		Object: objectName + "-copy",
+	}
+
+	// Perform the Copy
+	if _, err = c.CopyObject(context.Background(), dst, src); err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	// Source object
+	r, err = c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	// Destination object
+	readerCopy, err := c.GetObject(context.Background(), bucketName+"-copy", objectName+"-copy", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	// Check the various fields of source object against destination object.
+	objInfo, err = r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	objInfoCopy, err := readerCopy.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	if objInfo.Size != objInfoCopy.Size {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(objInfoCopy.Size)+", got "+string(objInfo.Size), err)
+		return
+	}
+
+	if err := crcMatchesName(r, "datafile-33-kB"); err != nil {
+		logError(testName, function, args, startTime, "", "data CRC check failed", err)
+		return
+	}
+	if err := crcMatchesName(readerCopy, "datafile-33-kB"); err != nil {
+		logError(testName, function, args, startTime, "", "copy data CRC check failed", err)
+		return
+	}
+	// Close all the get readers before proceeding with CopyObject operations.
+	r.Close()
+	readerCopy.Close()
+
+	// CopyObject again but with wrong conditions
+	src = minio.CopySrcOptions{
+		Bucket:               bucketName,
+		Object:               objectName,
+		MatchUnmodifiedSince: time.Date(2014, time.April, 0, 0, 0, 0, 0, time.UTC),
+		NoMatchETag:          objInfo.ETag,
+	}
+
+	// Perform the Copy which should fail
+	_, err = c.CopyObject(context.Background(), dst, src)
+	if err == nil {
+		logError(testName, function, args, startTime, "", "CopyObject did not fail for invalid conditions", err)
+		return
+	}
+
+	src = minio.CopySrcOptions{
+		Bucket: bucketName,
+		Object: objectName,
+	}
+
+	dst = minio.CopyDestOptions{
+		Bucket:          bucketName,
+		Object:          objectName,
+		ReplaceMetadata: true,
+		UserMetadata: map[string]string{
+			"Copy": "should be same",
+		},
+	}
+	args["dst"] = dst
+	args["src"] = src
+
+	_, err = c.CopyObject(context.Background(), dst, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject shouldn't fail", err)
+		return
+	}
+
+	oi, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	stOpts := minio.StatObjectOptions{}
+	stOpts.SetMatchETag(oi.ETag)
+	objInfo, err = c.StatObject(context.Background(), bucketName, objectName, stOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject ETag should match and not fail", err)
+		return
+	}
+
+	if objInfo.Metadata.Get("x-amz-meta-copy") != "should be same" {
+		logError(testName, function, args, startTime, "", "CopyObject modified metadata should match", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests SSE-C get object ReaderSeeker interface methods.
+func testSSECEncryptedGetObjectReadSeekFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer func() {
+		// Delete all objects and buckets
+		if err = cleanupBucket(bucketName, c); err != nil {
+			logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+			return
+		}
+	}()
+
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{
+		ContentType:          "binary/octet-stream",
+		ServerSideEncryption: encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+objectName)),
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{
+		ServerSideEncryption: encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+objectName)),
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer r.Close()
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat object failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	// This following function helps us to compare data from the reader after seek
+	// with the data from the original buffer
+	cmpData := func(r io.Reader, start, end int) {
+		if end-start == 0 {
+			return
+		}
+		buffer := bytes.NewBuffer([]byte{})
+		if _, err := io.CopyN(buffer, r, int64(bufSize)); err != nil {
+			if err != io.EOF {
+				logError(testName, function, args, startTime, "", "CopyN failed", err)
+				return
+			}
+		}
+		if !bytes.Equal(buf[start:end], buffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Incorrect read bytes v/s original buffer", err)
+			return
+		}
+	}
+
+	testCases := []struct {
+		offset    int64
+		whence    int
+		pos       int64
+		err       error
+		shouldCmp bool
+		start     int
+		end       int
+	}{
+		// Start from offset 0, fetch data and compare
+		{0, 0, 0, nil, true, 0, 0},
+		// Start from offset 2048, fetch data and compare
+		{2048, 0, 2048, nil, true, 2048, bufSize},
+		// Start from offset larger than possible
+		{int64(bufSize) + 1024, 0, 0, io.EOF, false, 0, 0},
+		// Move to offset 0 without comparing
+		{0, 0, 0, nil, false, 0, 0},
+		// Move one step forward and compare
+		{1, 1, 1, nil, true, 1, bufSize},
+		// Move larger than possible
+		{int64(bufSize), 1, 0, io.EOF, false, 0, 0},
+		// Provide negative offset with CUR_SEEK
+		{int64(-1), 1, 0, fmt.Errorf("Negative position not allowed for 1"), false, 0, 0},
+		// Test with whence SEEK_END and with positive offset
+		{1024, 2, 0, io.EOF, false, 0, 0},
+		// Test with whence SEEK_END and with negative offset
+		{-1024, 2, int64(bufSize) - 1024, nil, true, bufSize - 1024, bufSize},
+		// Test with whence SEEK_END and with large negative offset
+		{-int64(bufSize) * 2, 2, 0, fmt.Errorf("Seeking at negative offset not allowed for 2"), false, 0, 0},
+		// Test with invalid whence
+		{0, 3, 0, fmt.Errorf("Invalid whence 3"), false, 0, 0},
+	}
+
+	for i, testCase := range testCases {
+		// Perform seek operation
+		n, err := r.Seek(testCase.offset, testCase.whence)
+		if err != nil && testCase.err == nil {
+			// We expected success.
+			logError(testName, function, args, startTime, "",
+				fmt.Sprintf("Test %d, unexpected err value: expected: %s, found: %s", i+1, testCase.err, err), err)
+			return
+		}
+		if err == nil && testCase.err != nil {
+			// We expected failure, but got success.
+			logError(testName, function, args, startTime, "",
+				fmt.Sprintf("Test %d, unexpected err value: expected: %s, found: %s", i+1, testCase.err, err), err)
+			return
+		}
+		if err != nil && testCase.err != nil {
+			if err.Error() != testCase.err.Error() {
+				// We expect a specific error
+				logError(testName, function, args, startTime, "",
+					fmt.Sprintf("Test %d, unexpected err value: expected: %s, found: %s", i+1, testCase.err, err), err)
+				return
+			}
+		}
+		// Check the returned seek pos
+		if n != testCase.pos {
+			logError(testName, function, args, startTime, "",
+				fmt.Sprintf("Test %d, number of bytes seeked does not match, expected %d, got %d", i+1, testCase.pos, n), err)
+			return
+		}
+		// Compare only if shouldCmp is activated
+		if testCase.shouldCmp {
+			cmpData(r, testCase.start, testCase.end)
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests SSE-S3 get object ReaderSeeker interface methods.
+func testSSES3EncryptedGetObjectReadSeekFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer func() {
+		// Delete all objects and buckets
+		if err = cleanupBucket(bucketName, c); err != nil {
+			logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+			return
+		}
+	}()
+
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{
+		ContentType:          "binary/octet-stream",
+		ServerSideEncryption: encrypt.NewSSE(),
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer r.Close()
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat object failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	// This following function helps us to compare data from the reader after seek
+	// with the data from the original buffer
+	cmpData := func(r io.Reader, start, end int) {
+		if end-start == 0 {
+			return
+		}
+		buffer := bytes.NewBuffer([]byte{})
+		if _, err := io.CopyN(buffer, r, int64(bufSize)); err != nil {
+			if err != io.EOF {
+				logError(testName, function, args, startTime, "", "CopyN failed", err)
+				return
+			}
+		}
+		if !bytes.Equal(buf[start:end], buffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Incorrect read bytes v/s original buffer", err)
+			return
+		}
+	}
+
+	testCases := []struct {
+		offset    int64
+		whence    int
+		pos       int64
+		err       error
+		shouldCmp bool
+		start     int
+		end       int
+	}{
+		// Start from offset 0, fetch data and compare
+		{0, 0, 0, nil, true, 0, 0},
+		// Start from offset 2048, fetch data and compare
+		{2048, 0, 2048, nil, true, 2048, bufSize},
+		// Start from offset larger than possible
+		{int64(bufSize) + 1024, 0, 0, io.EOF, false, 0, 0},
+		// Move to offset 0 without comparing
+		{0, 0, 0, nil, false, 0, 0},
+		// Move one step forward and compare
+		{1, 1, 1, nil, true, 1, bufSize},
+		// Move larger than possible
+		{int64(bufSize), 1, 0, io.EOF, false, 0, 0},
+		// Provide negative offset with CUR_SEEK
+		{int64(-1), 1, 0, fmt.Errorf("Negative position not allowed for 1"), false, 0, 0},
+		// Test with whence SEEK_END and with positive offset
+		{1024, 2, 0, io.EOF, false, 0, 0},
+		// Test with whence SEEK_END and with negative offset
+		{-1024, 2, int64(bufSize) - 1024, nil, true, bufSize - 1024, bufSize},
+		// Test with whence SEEK_END and with large negative offset
+		{-int64(bufSize) * 2, 2, 0, fmt.Errorf("Seeking at negative offset not allowed for 2"), false, 0, 0},
+		// Test with invalid whence
+		{0, 3, 0, fmt.Errorf("Invalid whence 3"), false, 0, 0},
+	}
+
+	for i, testCase := range testCases {
+		// Perform seek operation
+		n, err := r.Seek(testCase.offset, testCase.whence)
+		if err != nil && testCase.err == nil {
+			// We expected success.
+			logError(testName, function, args, startTime, "",
+				fmt.Sprintf("Test %d, unexpected err value: expected: %s, found: %s", i+1, testCase.err, err), err)
+			return
+		}
+		if err == nil && testCase.err != nil {
+			// We expected failure, but got success.
+			logError(testName, function, args, startTime, "",
+				fmt.Sprintf("Test %d, unexpected err value: expected: %s, found: %s", i+1, testCase.err, err), err)
+			return
+		}
+		if err != nil && testCase.err != nil {
+			if err.Error() != testCase.err.Error() {
+				// We expect a specific error
+				logError(testName, function, args, startTime, "",
+					fmt.Sprintf("Test %d, unexpected err value: expected: %s, found: %s", i+1, testCase.err, err), err)
+				return
+			}
+		}
+		// Check the returned seek pos
+		if n != testCase.pos {
+			logError(testName, function, args, startTime, "",
+				fmt.Sprintf("Test %d, number of bytes seeked does not match, expected %d, got %d", i+1, testCase.pos, n), err)
+			return
+		}
+		// Compare only if shouldCmp is activated
+		if testCase.shouldCmp {
+			cmpData(r, testCase.start, testCase.end)
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests SSE-C get object ReaderAt interface methods.
+func testSSECEncryptedGetObjectReadAtFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{
+		ContentType:          "binary/octet-stream",
+		ServerSideEncryption: encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+objectName)),
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{
+		ServerSideEncryption: encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+objectName)),
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	defer r.Close()
+
+	offset := int64(2048)
+
+	// read directly
+	buf1 := make([]byte, 512)
+	buf2 := make([]byte, 512)
+	buf3 := make([]byte, 512)
+	buf4 := make([]byte, 512)
+
+	// Test readAt before stat is called such that objectInfo doesn't change.
+	m, err := r.ReadAt(buf1, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf1) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf1))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf1, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	m, err = r.ReadAt(buf2, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf2) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf2))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf2, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf3, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf3) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf3))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf3, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf4, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf4) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf4))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf4, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+
+	buf5 := make([]byte, len(buf))
+	// Read the whole object.
+	m, err = r.ReadAt(buf5, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+	if m != len(buf5) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf5))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf, buf5) {
+		logError(testName, function, args, startTime, "", "Incorrect data read in GetObject, than what was previously uploaded", err)
+		return
+	}
+
+	buf6 := make([]byte, len(buf)+1)
+	// Read the whole object and beyond.
+	_, err = r.ReadAt(buf6, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests SSE-S3 get object ReaderAt interface methods.
+func testSSES3EncryptedGetObjectReadAtFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{
+		ContentType:          "binary/octet-stream",
+		ServerSideEncryption: encrypt.NewSSE(),
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	defer r.Close()
+
+	offset := int64(2048)
+
+	// read directly
+	buf1 := make([]byte, 512)
+	buf2 := make([]byte, 512)
+	buf3 := make([]byte, 512)
+	buf4 := make([]byte, 512)
+
+	// Test readAt before stat is called such that objectInfo doesn't change.
+	m, err := r.ReadAt(buf1, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf1) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf1))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf1, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(int64(bufSize))+", got "+string(st.Size), err)
+		return
+	}
+
+	m, err = r.ReadAt(buf2, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf2) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf2))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf2, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf3, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf3) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf3))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf3, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf4, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf4) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf4))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf4, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+
+	buf5 := make([]byte, len(buf))
+	// Read the whole object.
+	m, err = r.ReadAt(buf5, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+	if m != len(buf5) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf5))+", got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf, buf5) {
+		logError(testName, function, args, startTime, "", "Incorrect data read in GetObject, than what was previously uploaded", err)
+		return
+	}
+
+	buf6 := make([]byte, len(buf)+1)
+	// Read the whole object and beyond.
+	_, err = r.ReadAt(buf6, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// testSSECEncryptionPutGet tests encryption with customer provided encryption keys
+func testSSECEncryptionPutGet() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutEncryptedObject(bucketName, objectName, reader, sse)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"sse":        "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	testCases := []struct {
+		buf []byte
+	}{
+		{buf: bytes.Repeat([]byte("F"), 1)},
+		{buf: bytes.Repeat([]byte("F"), 15)},
+		{buf: bytes.Repeat([]byte("F"), 16)},
+		{buf: bytes.Repeat([]byte("F"), 17)},
+		{buf: bytes.Repeat([]byte("F"), 31)},
+		{buf: bytes.Repeat([]byte("F"), 32)},
+		{buf: bytes.Repeat([]byte("F"), 33)},
+		{buf: bytes.Repeat([]byte("F"), 1024)},
+		{buf: bytes.Repeat([]byte("F"), 1024*2)},
+		{buf: bytes.Repeat([]byte("F"), 1024*1024)},
+	}
+
+	const password = "correct horse battery staple" // https://xkcd.com/936/
+
+	for i, testCase := range testCases {
+		// Generate a random object name
+		objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+		args["objectName"] = objectName
+
+		// Secured object
+		sse := encrypt.DefaultPBKDF([]byte(password), []byte(bucketName+objectName))
+		args["sse"] = sse
+
+		// Put encrypted data
+		_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(testCase.buf), int64(len(testCase.buf)), minio.PutObjectOptions{ServerSideEncryption: sse})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutEncryptedObject failed", err)
+			return
+		}
+
+		// Read the data back
+		r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{ServerSideEncryption: sse})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "GetEncryptedObject failed", err)
+			return
+		}
+		defer r.Close()
+
+		// Compare the sent object with the received one
+		recvBuffer := bytes.NewBuffer([]byte{})
+		if _, err = io.Copy(recvBuffer, r); err != nil {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", error: "+err.Error(), err)
+			return
+		}
+		if recvBuffer.Len() != len(testCase.buf) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Number of bytes of received object does not match, expected "+string(len(testCase.buf))+", got "+string(recvBuffer.Len()), err)
+			return
+		}
+		if !bytes.Equal(testCase.buf, recvBuffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Encrypted sent is not equal to decrypted, expected "+string(testCase.buf)+", got "+string(recvBuffer.Bytes()), err)
+			return
+		}
+
+		successLogger(testName, function, args, startTime).Info()
+
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// TestEncryptionFPut tests encryption with customer specified encryption keys
+func testSSECEncryptionFPut() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutEncryptedObject(bucketName, objectName, filePath, contentType, sse)"
+	args := map[string]interface{}{
+		"bucketName":  "",
+		"objectName":  "",
+		"filePath":    "",
+		"contentType": "",
+		"sse":         "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Object custom metadata
+	customContentType := "custom/contenttype"
+	args["metadata"] = customContentType
+
+	testCases := []struct {
+		buf []byte
+	}{
+		{buf: bytes.Repeat([]byte("F"), 0)},
+		{buf: bytes.Repeat([]byte("F"), 1)},
+		{buf: bytes.Repeat([]byte("F"), 15)},
+		{buf: bytes.Repeat([]byte("F"), 16)},
+		{buf: bytes.Repeat([]byte("F"), 17)},
+		{buf: bytes.Repeat([]byte("F"), 31)},
+		{buf: bytes.Repeat([]byte("F"), 32)},
+		{buf: bytes.Repeat([]byte("F"), 33)},
+		{buf: bytes.Repeat([]byte("F"), 1024)},
+		{buf: bytes.Repeat([]byte("F"), 1024*2)},
+		{buf: bytes.Repeat([]byte("F"), 1024*1024)},
+	}
+
+	const password = "correct horse battery staple" // https://xkcd.com/936/
+	for i, testCase := range testCases {
+		// Generate a random object name
+		objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+		args["objectName"] = objectName
+
+		// Secured object
+		sse := encrypt.DefaultPBKDF([]byte(password), []byte(bucketName+objectName))
+		args["sse"] = sse
+
+		// Generate a random file name.
+		fileName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+		file, err := os.Create(fileName)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "file create failed", err)
+			return
+		}
+		_, err = file.Write(testCase.buf)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "file write failed", err)
+			return
+		}
+		file.Close()
+		// Put encrypted data
+		if _, err = c.FPutObject(context.Background(), bucketName, objectName, fileName, minio.PutObjectOptions{ServerSideEncryption: sse}); err != nil {
+			logError(testName, function, args, startTime, "", "FPutEncryptedObject failed", err)
+			return
+		}
+
+		// Read the data back
+		r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{ServerSideEncryption: sse})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "GetEncryptedObject failed", err)
+			return
+		}
+		defer r.Close()
+
+		// Compare the sent object with the received one
+		recvBuffer := bytes.NewBuffer([]byte{})
+		if _, err = io.Copy(recvBuffer, r); err != nil {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", error: "+err.Error(), err)
+			return
+		}
+		if recvBuffer.Len() != len(testCase.buf) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Number of bytes of received object does not match, expected "+string(len(testCase.buf))+", got "+string(recvBuffer.Len()), err)
+			return
+		}
+		if !bytes.Equal(testCase.buf, recvBuffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Encrypted sent is not equal to decrypted, expected "+string(testCase.buf)+", got "+string(recvBuffer.Bytes()), err)
+			return
+		}
+
+		os.Remove(fileName)
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// testSSES3EncryptionPutGet tests SSE-S3 encryption
+func testSSES3EncryptionPutGet() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutEncryptedObject(bucketName, objectName, reader, sse)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"sse":        "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	testCases := []struct {
+		buf []byte
+	}{
+		{buf: bytes.Repeat([]byte("F"), 1)},
+		{buf: bytes.Repeat([]byte("F"), 15)},
+		{buf: bytes.Repeat([]byte("F"), 16)},
+		{buf: bytes.Repeat([]byte("F"), 17)},
+		{buf: bytes.Repeat([]byte("F"), 31)},
+		{buf: bytes.Repeat([]byte("F"), 32)},
+		{buf: bytes.Repeat([]byte("F"), 33)},
+		{buf: bytes.Repeat([]byte("F"), 1024)},
+		{buf: bytes.Repeat([]byte("F"), 1024*2)},
+		{buf: bytes.Repeat([]byte("F"), 1024*1024)},
+	}
+
+	for i, testCase := range testCases {
+		// Generate a random object name
+		objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+		args["objectName"] = objectName
+
+		// Secured object
+		sse := encrypt.NewSSE()
+		args["sse"] = sse
+
+		// Put encrypted data
+		_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(testCase.buf), int64(len(testCase.buf)), minio.PutObjectOptions{ServerSideEncryption: sse})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutEncryptedObject failed", err)
+			return
+		}
+
+		// Read the data back without any encryption headers
+		r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "GetEncryptedObject failed", err)
+			return
+		}
+		defer r.Close()
+
+		// Compare the sent object with the received one
+		recvBuffer := bytes.NewBuffer([]byte{})
+		if _, err = io.Copy(recvBuffer, r); err != nil {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", error: "+err.Error(), err)
+			return
+		}
+		if recvBuffer.Len() != len(testCase.buf) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Number of bytes of received object does not match, expected "+string(len(testCase.buf))+", got "+string(recvBuffer.Len()), err)
+			return
+		}
+		if !bytes.Equal(testCase.buf, recvBuffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Encrypted sent is not equal to decrypted, expected "+string(testCase.buf)+", got "+string(recvBuffer.Bytes()), err)
+			return
+		}
+
+		successLogger(testName, function, args, startTime).Info()
+
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// TestSSES3EncryptionFPut tests server side encryption
+func testSSES3EncryptionFPut() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutEncryptedObject(bucketName, objectName, filePath, contentType, sse)"
+	args := map[string]interface{}{
+		"bucketName":  "",
+		"objectName":  "",
+		"filePath":    "",
+		"contentType": "",
+		"sse":         "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Object custom metadata
+	customContentType := "custom/contenttype"
+	args["metadata"] = customContentType
+
+	testCases := []struct {
+		buf []byte
+	}{
+		{buf: bytes.Repeat([]byte("F"), 0)},
+		{buf: bytes.Repeat([]byte("F"), 1)},
+		{buf: bytes.Repeat([]byte("F"), 15)},
+		{buf: bytes.Repeat([]byte("F"), 16)},
+		{buf: bytes.Repeat([]byte("F"), 17)},
+		{buf: bytes.Repeat([]byte("F"), 31)},
+		{buf: bytes.Repeat([]byte("F"), 32)},
+		{buf: bytes.Repeat([]byte("F"), 33)},
+		{buf: bytes.Repeat([]byte("F"), 1024)},
+		{buf: bytes.Repeat([]byte("F"), 1024*2)},
+		{buf: bytes.Repeat([]byte("F"), 1024*1024)},
+	}
+
+	for i, testCase := range testCases {
+		// Generate a random object name
+		objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+		args["objectName"] = objectName
+
+		// Secured object
+		sse := encrypt.NewSSE()
+		args["sse"] = sse
+
+		// Generate a random file name.
+		fileName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+		file, err := os.Create(fileName)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "file create failed", err)
+			return
+		}
+		_, err = file.Write(testCase.buf)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "file write failed", err)
+			return
+		}
+		file.Close()
+		// Put encrypted data
+		if _, err = c.FPutObject(context.Background(), bucketName, objectName, fileName, minio.PutObjectOptions{ServerSideEncryption: sse}); err != nil {
+			logError(testName, function, args, startTime, "", "FPutEncryptedObject failed", err)
+			return
+		}
+
+		// Read the data back
+		r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "GetEncryptedObject failed", err)
+			return
+		}
+		defer r.Close()
+
+		// Compare the sent object with the received one
+		recvBuffer := bytes.NewBuffer([]byte{})
+		if _, err = io.Copy(recvBuffer, r); err != nil {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", error: "+err.Error(), err)
+			return
+		}
+		if recvBuffer.Len() != len(testCase.buf) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Number of bytes of received object does not match, expected "+string(len(testCase.buf))+", got "+string(recvBuffer.Len()), err)
+			return
+		}
+		if !bytes.Equal(testCase.buf, recvBuffer.Bytes()) {
+			logError(testName, function, args, startTime, "", "Test "+string(i+1)+", Encrypted sent is not equal to decrypted, expected "+string(testCase.buf)+", got "+string(recvBuffer.Bytes()), err)
+			return
+		}
+
+		os.Remove(fileName)
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testBucketNotification() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "SetBucketNotification(bucketName)"
+	args := map[string]interface{}{
+		"bucketName": "",
+	}
+
+	if os.Getenv("NOTIFY_BUCKET") == "" ||
+		os.Getenv("NOTIFY_SERVICE") == "" ||
+		os.Getenv("NOTIFY_REGION") == "" ||
+		os.Getenv("NOTIFY_ACCOUNTID") == "" ||
+		os.Getenv("NOTIFY_RESOURCE") == "" {
+		ignoredLog(testName, function, args, startTime, "Skipped notification test as it is not configured").Info()
+		return
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable to debug
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	bucketName := os.Getenv("NOTIFY_BUCKET")
+	args["bucketName"] = bucketName
+
+	topicArn := notification.NewArn("aws", os.Getenv("NOTIFY_SERVICE"), os.Getenv("NOTIFY_REGION"), os.Getenv("NOTIFY_ACCOUNTID"), os.Getenv("NOTIFY_RESOURCE"))
+	queueArn := notification.NewArn("aws", "dummy-service", "dummy-region", "dummy-accountid", "dummy-resource")
+
+	topicConfig := notification.NewConfig(topicArn)
+	topicConfig.AddEvents(notification.ObjectCreatedAll, notification.ObjectRemovedAll)
+	topicConfig.AddFilterSuffix("jpg")
+
+	queueConfig := notification.NewConfig(queueArn)
+	queueConfig.AddEvents(notification.ObjectCreatedAll)
+	queueConfig.AddFilterPrefix("photos/")
+
+	config := notification.Configuration{}
+	config.AddTopic(topicConfig)
+
+	// Add the same topicConfig again, should have no effect
+	// because it is duplicated
+	config.AddTopic(topicConfig)
+	if len(config.TopicConfigs) != 1 {
+		logError(testName, function, args, startTime, "", "Duplicate entry added", err)
+		return
+	}
+
+	// Add and remove a queue config
+	config.AddQueue(queueConfig)
+	config.RemoveQueueByArn(queueArn)
+
+	err = c.SetBucketNotification(context.Background(), bucketName, config)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "SetBucketNotification failed", err)
+		return
+	}
+
+	config, err = c.GetBucketNotification(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetBucketNotification failed", err)
+		return
+	}
+
+	if len(config.TopicConfigs) != 1 {
+		logError(testName, function, args, startTime, "", "Topic config is empty", err)
+		return
+	}
+
+	if config.TopicConfigs[0].Filter.S3Key.FilterRules[0].Value != "jpg" {
+		logError(testName, function, args, startTime, "", "Couldn't get the suffix", err)
+		return
+	}
+
+	err = c.RemoveAllBucketNotification(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "RemoveAllBucketNotification failed", err)
+		return
+	}
+
+	// Delete all objects and buckets
+	if err = cleanupBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests comprehensive list of all methods.
+func testFunctional() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "testFunctional()"
+	functionAll := ""
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, nil, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable to debug
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	// Make a new bucket.
+	function = "MakeBucket(bucketName, region)"
+	functionAll = "MakeBucket(bucketName, region)"
+	args["bucketName"] = bucketName
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+
+	defer cleanupBucket(bucketName, c)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	// Generate a random file name.
+	fileName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	file, err := os.Create(fileName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File creation failed", err)
+		return
+	}
+	for i := 0; i < 3; i++ {
+		buf := make([]byte, rand.Intn(1<<19))
+		_, err = file.Write(buf)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "File write failed", err)
+			return
+		}
+	}
+	file.Close()
+
+	// Verify if bucket exits and you have access.
+	var exists bool
+	function = "BucketExists(bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+	exists, err = c.BucketExists(context.Background(), bucketName)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "BucketExists failed", err)
+		return
+	}
+	if !exists {
+		logError(testName, function, args, startTime, "", "Could not find the bucket", err)
+		return
+	}
+
+	// Asserting the default bucket policy.
+	function = "GetBucketPolicy(ctx, bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+	nilPolicy, err := c.GetBucketPolicy(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetBucketPolicy failed", err)
+		return
+	}
+	if nilPolicy != "" {
+		logError(testName, function, args, startTime, "", "policy should be set to nil", err)
+		return
+	}
+
+	// Set the bucket policy to 'public readonly'.
+	function = "SetBucketPolicy(bucketName, readOnlyPolicy)"
+	functionAll += ", " + function
+
+	readOnlyPolicy := `{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:ListBucket"],"Resource":["arn:aws:s3:::` + bucketName + `"]}]}`
+	args = map[string]interface{}{
+		"bucketName":   bucketName,
+		"bucketPolicy": readOnlyPolicy,
+	}
+
+	err = c.SetBucketPolicy(context.Background(), bucketName, readOnlyPolicy)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "SetBucketPolicy failed", err)
+		return
+	}
+	// should return policy `readonly`.
+	function = "GetBucketPolicy(ctx, bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+	_, err = c.GetBucketPolicy(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetBucketPolicy failed", err)
+		return
+	}
+
+	// Make the bucket 'public writeonly'.
+	function = "SetBucketPolicy(bucketName, writeOnlyPolicy)"
+	functionAll += ", " + function
+
+	writeOnlyPolicy := `{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:ListBucketMultipartUploads"],"Resource":["arn:aws:s3:::` + bucketName + `"]}]}`
+	args = map[string]interface{}{
+		"bucketName":   bucketName,
+		"bucketPolicy": writeOnlyPolicy,
+	}
+	err = c.SetBucketPolicy(context.Background(), bucketName, writeOnlyPolicy)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "SetBucketPolicy failed", err)
+		return
+	}
+	// should return policy `writeonly`.
+	function = "GetBucketPolicy(ctx, bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+
+	_, err = c.GetBucketPolicy(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetBucketPolicy failed", err)
+		return
+	}
+
+	// Make the bucket 'public read/write'.
+	function = "SetBucketPolicy(bucketName, readWritePolicy)"
+	functionAll += ", " + function
+
+	readWritePolicy := `{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["*"]},"Action":["s3:ListBucket","s3:ListBucketMultipartUploads"],"Resource":["arn:aws:s3:::` + bucketName + `"]}]}`
+
+	args = map[string]interface{}{
+		"bucketName":   bucketName,
+		"bucketPolicy": readWritePolicy,
+	}
+	err = c.SetBucketPolicy(context.Background(), bucketName, readWritePolicy)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "SetBucketPolicy failed", err)
+		return
+	}
+	// should return policy `readwrite`.
+	function = "GetBucketPolicy(bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+	_, err = c.GetBucketPolicy(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetBucketPolicy failed", err)
+		return
+	}
+
+	// List all buckets.
+	function = "ListBuckets()"
+	functionAll += ", " + function
+	args = nil
+	buckets, err := c.ListBuckets(context.Background())
+
+	if len(buckets) == 0 {
+		logError(testName, function, args, startTime, "", "Found bucket list to be empty", err)
+		return
+	}
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ListBuckets failed", err)
+		return
+	}
+
+	// Verify if previously created bucket is listed in list buckets.
+	bucketFound := false
+	for _, bucket := range buckets {
+		if bucket.Name == bucketName {
+			bucketFound = true
+		}
+	}
+
+	// If bucket not found error out.
+	if !bucketFound {
+		logError(testName, function, args, startTime, "", "Bucket: "+bucketName+" not found", err)
+		return
+	}
+
+	objectName := bucketName + "unique"
+
+	// Generate data
+	buf := bytes.Repeat([]byte("f"), 1<<19)
+
+	function = "PutObject(bucketName, objectName, reader, contentType)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"contentType": "",
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName + "-nolength",
+		"contentType": "binary/octet-stream",
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName+"-nolength", bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Instantiate a done channel to close all listing.
+	doneCh := make(chan struct{})
+	defer close(doneCh)
+
+	objFound := false
+	isRecursive := true // Recursive is true.
+
+	function = "ListObjects(bucketName, objectName, isRecursive, doneCh)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"isRecursive": isRecursive,
+	}
+
+	for obj := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{UseV1: true, Prefix: objectName, Recursive: true}) {
+		if obj.Key == objectName {
+			objFound = true
+			break
+		}
+	}
+	if !objFound {
+		logError(testName, function, args, startTime, "", "Object "+objectName+" not found", err)
+		return
+	}
+
+	objFound = false
+	isRecursive = true // Recursive is true.
+	function = "ListObjects()"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"isRecursive": isRecursive,
+	}
+
+	for obj := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{Prefix: objectName, Recursive: isRecursive}) {
+		if obj.Key == objectName {
+			objFound = true
+			break
+		}
+	}
+	if !objFound {
+		logError(testName, function, args, startTime, "", "Object "+objectName+" not found", err)
+		return
+	}
+
+	incompObjNotFound := true
+
+	function = "ListIncompleteUploads(bucketName, objectName, isRecursive, doneCh)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"isRecursive": isRecursive,
+	}
+
+	for objIncompl := range c.ListIncompleteUploads(context.Background(), bucketName, objectName, isRecursive) {
+		if objIncompl.Key != "" {
+			incompObjNotFound = false
+			break
+		}
+	}
+	if !incompObjNotFound {
+		logError(testName, function, args, startTime, "", "Unexpected dangling incomplete upload found", err)
+		return
+	}
+
+	function = "GetObject(bucketName, objectName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+	}
+	newReader, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	newReadBytes, err := ioutil.ReadAll(newReader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	if !bytes.Equal(newReadBytes, buf) {
+		logError(testName, function, args, startTime, "", "GetObject bytes mismatch", err)
+		return
+	}
+	newReader.Close()
+
+	function = "FGetObject(bucketName, objectName, fileName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"fileName":   fileName + "-f",
+	}
+	err = c.FGetObject(context.Background(), bucketName, objectName, fileName+"-f", minio.GetObjectOptions{})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FGetObject failed", err)
+		return
+	}
+
+	function = "PresignedHeadObject(bucketName, objectName, expires, reqParams)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": "",
+		"expires":    3600 * time.Second,
+	}
+	if _, err = c.PresignedHeadObject(context.Background(), bucketName, "", 3600*time.Second, nil); err == nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject success", err)
+		return
+	}
+
+	// Generate presigned HEAD object url.
+	function = "PresignedHeadObject(bucketName, objectName, expires, reqParams)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"expires":    3600 * time.Second,
+	}
+	presignedHeadURL, err := c.PresignedHeadObject(context.Background(), bucketName, objectName, 3600*time.Second, nil)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject failed", err)
+		return
+	}
+
+	transport, err := minio.DefaultTransport(mustParseBool(os.Getenv(enableHTTPS)))
+	if err != nil {
+		logError(testName, function, args, startTime, "", "DefaultTransport failed", err)
+		return
+	}
+
+	httpClient := &http.Client{
+		// Setting a sensible time out of 30secs to wait for response
+		// headers. Request is pro-actively canceled after 30secs
+		// with no response.
+		Timeout:   30 * time.Second,
+		Transport: transport,
+	}
+
+	req, err := http.NewRequest(http.MethodHead, presignedHeadURL.String(), nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject request was incorrect", err)
+		return
+	}
+
+	// Verify if presigned url works.
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject response incorrect", err)
+		return
+	}
+	if resp.StatusCode != http.StatusOK {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject response incorrect, status "+string(resp.StatusCode), err)
+		return
+	}
+	if resp.Header.Get("ETag") == "" {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject response incorrect", err)
+		return
+	}
+	resp.Body.Close()
+
+	function = "PresignedGetObject(bucketName, objectName, expires, reqParams)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": "",
+		"expires":    3600 * time.Second,
+	}
+	_, err = c.PresignedGetObject(context.Background(), bucketName, "", 3600*time.Second, nil)
+	if err == nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject success", err)
+		return
+	}
+
+	// Generate presigned GET object url.
+	function = "PresignedGetObject(bucketName, objectName, expires, reqParams)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"expires":    3600 * time.Second,
+	}
+	presignedGetURL, err := c.PresignedGetObject(context.Background(), bucketName, objectName, 3600*time.Second, nil)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject failed", err)
+		return
+	}
+
+	// Verify if presigned url works.
+	req, err = http.NewRequest(http.MethodGet, presignedGetURL.String(), nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject request incorrect", err)
+		return
+	}
+
+	resp, err = httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+	if resp.StatusCode != http.StatusOK {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect, status "+string(resp.StatusCode), err)
+		return
+	}
+	newPresignedBytes, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+	resp.Body.Close()
+	if !bytes.Equal(newPresignedBytes, buf) {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+
+	// Set request parameters.
+	reqParams := make(url.Values)
+	reqParams.Set("response-content-disposition", "attachment; filename=\"test.txt\"")
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"expires":    3600 * time.Second,
+		"reqParams":  reqParams,
+	}
+	presignedGetURL, err = c.PresignedGetObject(context.Background(), bucketName, objectName, 3600*time.Second, reqParams)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject failed", err)
+		return
+	}
+
+	// Verify if presigned url works.
+	req, err = http.NewRequest(http.MethodGet, presignedGetURL.String(), nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject request incorrect", err)
+		return
+	}
+
+	resp, err = httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+	if resp.StatusCode != http.StatusOK {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect, status "+string(resp.StatusCode), err)
+		return
+	}
+	newPresignedBytes, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+	if !bytes.Equal(newPresignedBytes, buf) {
+		logError(testName, function, args, startTime, "", "Bytes mismatch for presigned GET URL", err)
+		return
+	}
+	if resp.Header.Get("Content-Disposition") != "attachment; filename=\"test.txt\"" {
+		logError(testName, function, args, startTime, "", "wrong Content-Disposition received "+string(resp.Header.Get("Content-Disposition")), err)
+		return
+	}
+
+	function = "PresignedPutObject(bucketName, objectName, expires)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": "",
+		"expires":    3600 * time.Second,
+	}
+	_, err = c.PresignedPutObject(context.Background(), bucketName, "", 3600*time.Second)
+	if err == nil {
+		logError(testName, function, args, startTime, "", "PresignedPutObject success", err)
+		return
+	}
+
+	function = "PresignedPutObject(bucketName, objectName, expires)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName + "-presigned",
+		"expires":    3600 * time.Second,
+	}
+	presignedPutURL, err := c.PresignedPutObject(context.Background(), bucketName, objectName+"-presigned", 3600*time.Second)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedPutObject failed", err)
+		return
+	}
+
+	buf = bytes.Repeat([]byte("g"), 1<<19)
+
+	req, err = http.NewRequest(http.MethodPut, presignedPutURL.String(), bytes.NewReader(buf))
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Couldn't make HTTP request with PresignedPutObject URL", err)
+		return
+	}
+
+	resp, err = httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedPutObject failed", err)
+		return
+	}
+
+	newReader, err = c.GetObject(context.Background(), bucketName, objectName+"-presigned", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject after PresignedPutObject failed", err)
+		return
+	}
+
+	newReadBytes, err = ioutil.ReadAll(newReader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll after GetObject failed", err)
+		return
+	}
+
+	if !bytes.Equal(newReadBytes, buf) {
+		logError(testName, function, args, startTime, "", "Bytes mismatch", err)
+		return
+	}
+
+	function = "RemoveObject(bucketName, objectName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+	}
+	err = c.RemoveObject(context.Background(), bucketName, objectName, minio.RemoveObjectOptions{})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "RemoveObject failed", err)
+		return
+	}
+	args["objectName"] = objectName + "-f"
+	err = c.RemoveObject(context.Background(), bucketName, objectName+"-f", minio.RemoveObjectOptions{})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "RemoveObject failed", err)
+		return
+	}
+
+	args["objectName"] = objectName + "-nolength"
+	err = c.RemoveObject(context.Background(), bucketName, objectName+"-nolength", minio.RemoveObjectOptions{})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "RemoveObject failed", err)
+		return
+	}
+
+	args["objectName"] = objectName + "-presigned"
+	err = c.RemoveObject(context.Background(), bucketName, objectName+"-presigned", minio.RemoveObjectOptions{})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "RemoveObject failed", err)
+		return
+	}
+
+	function = "RemoveBucket(bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+	err = c.RemoveBucket(context.Background(), bucketName)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "RemoveBucket failed", err)
+		return
+	}
+	err = c.RemoveBucket(context.Background(), bucketName)
+	if err == nil {
+		logError(testName, function, args, startTime, "", "RemoveBucket did not fail for invalid bucket name", err)
+		return
+	}
+	if err.Error() != "The specified bucket does not exist" {
+		logError(testName, function, args, startTime, "", "RemoveBucket failed", err)
+		return
+	}
+
+	os.Remove(fileName)
+	os.Remove(fileName + "-f")
+	successLogger(testName, functionAll, args, startTime).Info()
+}
+
+// Test for validating GetObject Reader* methods functioning when the
+// object is modified in the object store.
+func testGetObjectModified() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Make a new bucket.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload an object.
+	objectName := "myobject"
+	args["objectName"] = objectName
+	content := "helloworld"
+	_, err = c.PutObject(context.Background(), bucketName, objectName, strings.NewReader(content), int64(len(content)), minio.PutObjectOptions{ContentType: "application/text"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Failed to upload "+objectName+", to bucket "+bucketName, err)
+		return
+	}
+
+	defer c.RemoveObject(context.Background(), bucketName, objectName, minio.RemoveObjectOptions{})
+
+	reader, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Failed to GetObject "+objectName+", from bucket "+bucketName, err)
+		return
+	}
+	defer reader.Close()
+
+	// Read a few bytes of the object.
+	b := make([]byte, 5)
+	n, err := reader.ReadAt(b, 0)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Failed to read object "+objectName+", from bucket "+bucketName+" at an offset", err)
+		return
+	}
+
+	// Upload different contents to the same object while object is being read.
+	newContent := "goodbyeworld"
+	_, err = c.PutObject(context.Background(), bucketName, objectName, strings.NewReader(newContent), int64(len(newContent)), minio.PutObjectOptions{ContentType: "application/text"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Failed to upload "+objectName+", to bucket "+bucketName, err)
+		return
+	}
+
+	// Confirm that a Stat() call in between doesn't change the Object's cached etag.
+	_, err = reader.Stat()
+	expectedError := "At least one of the pre-conditions you specified did not hold"
+	if err.Error() != expectedError {
+		logError(testName, function, args, startTime, "", "Expected Stat to fail with error "+expectedError+", but received "+err.Error(), err)
+		return
+	}
+
+	// Read again only to find object contents have been modified since last read.
+	_, err = reader.ReadAt(b, int64(n))
+	if err.Error() != expectedError {
+		logError(testName, function, args, startTime, "", "Expected ReadAt to fail with error "+expectedError+", but received "+err.Error(), err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test validates putObject to upload a file seeked at a given offset.
+func testPutObjectUploadSeekedObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, fileToUpload, contentType)"
+	args := map[string]interface{}{
+		"bucketName":   "",
+		"objectName":   "",
+		"fileToUpload": "",
+		"contentType":  "binary/octet-stream",
+	}
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Make a new bucket.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, c)
+
+	var tempfile *os.File
+
+	if fileName := getMintDataDirFilePath("datafile-100-kB"); fileName != "" {
+		tempfile, err = os.Open(fileName)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "File open failed", err)
+			return
+		}
+		args["fileToUpload"] = fileName
+	} else {
+		tempfile, err = ioutil.TempFile("", "minio-go-upload-test-")
+		if err != nil {
+			logError(testName, function, args, startTime, "", "TempFile create failed", err)
+			return
+		}
+		args["fileToUpload"] = tempfile.Name()
+
+		// Generate 100kB data
+		if _, err = io.Copy(tempfile, getDataReader("datafile-100-kB")); err != nil {
+			logError(testName, function, args, startTime, "", "File copy failed", err)
+			return
+		}
+
+		defer os.Remove(tempfile.Name())
+
+		// Seek back to the beginning of the file.
+		tempfile.Seek(0, 0)
+	}
+	var length = 100 * humanize.KiByte
+	objectName := fmt.Sprintf("test-file-%v", rand.Uint32())
+	args["objectName"] = objectName
+
+	offset := length / 2
+	if _, err = tempfile.Seek(int64(offset), 0); err != nil {
+		logError(testName, function, args, startTime, "", "TempFile seek failed", err)
+		return
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, tempfile, int64(length-offset), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	tempfile.Close()
+
+	obj, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer obj.Close()
+
+	n, err := obj.Seek(int64(offset), 0)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Seek failed", err)
+		return
+	}
+	if n != int64(offset) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Invalid offset returned, expected %d got %d", int64(offset), n), err)
+		return
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName+"getobject", obj, int64(length-offset), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	st, err := c.StatObject(context.Background(), bucketName, objectName+"getobject", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if st.Size != int64(length-offset) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Invalid offset returned, expected %d got %d", int64(length-offset), n), err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests bucket re-create errors.
+func testMakeBucketErrorV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "MakeBucket(bucketName, region)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"region":     "eu-west-1",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	region := "eu-west-1"
+	args["bucketName"] = bucketName
+	args["region"] = region
+
+	// Make a new bucket in 'eu-west-1'.
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: region}); err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: region}); err == nil {
+		logError(testName, function, args, startTime, "", "MakeBucket did not fail for existing bucket name", err)
+		return
+	}
+	// Verify valid error response from server.
+	if minio.ToErrorResponse(err).Code != "BucketAlreadyExists" &&
+		minio.ToErrorResponse(err).Code != "BucketAlreadyOwnedByYou" {
+		logError(testName, function, args, startTime, "", "Invalid error returned by server", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test get object reader to not throw error on being closed twice.
+func testGetObjectClosedTwiceV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "MakeBucket(bucketName, region)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"region":     "eu-west-1",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(bufSize)+" got "+string(st.Size), err)
+		return
+	}
+	if err := r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	if err := r.Close(); err == nil {
+		logError(testName, function, args, startTime, "", "Object is already closed, should return error", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests FPutObject hidden contentType setting
+func testFPutObjectV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FPutObject(bucketName, objectName, fileName, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Make a temp file with 11*1024*1024 bytes of data.
+	file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
+	if err != nil {
+		logError(testName, function, args, startTime, "", "TempFile creation failed", err)
+		return
+	}
+
+	r := bytes.NewReader(bytes.Repeat([]byte("b"), 11*1024*1024))
+	n, err := io.CopyN(file, r, 11*1024*1024)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Copy failed", err)
+		return
+	}
+	if n != int64(11*1024*1024) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(int64(11*1024*1024))+" got "+string(n), err)
+		return
+	}
+
+	// Close the file pro-actively for windows.
+	err = file.Close()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "File close failed", err)
+		return
+	}
+
+	// Set base object name
+	objectName := bucketName + "FPutObject"
+	args["objectName"] = objectName
+	args["fileName"] = file.Name()
+
+	// Perform standard FPutObject with contentType provided (Expecting application/octet-stream)
+	_, err = c.FPutObject(context.Background(), bucketName, objectName+"-standard", file.Name(), minio.PutObjectOptions{ContentType: "application/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject failed", err)
+		return
+	}
+
+	// Perform FPutObject with no contentType provided (Expecting application/octet-stream)
+	args["objectName"] = objectName + "-Octet"
+	args["contentType"] = ""
+
+	_, err = c.FPutObject(context.Background(), bucketName, objectName+"-Octet", file.Name(), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject failed", err)
+		return
+	}
+
+	// Add extension to temp file name
+	fileName := file.Name()
+	err = os.Rename(fileName, fileName+".gtar")
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Rename failed", err)
+		return
+	}
+
+	// Perform FPutObject with no contentType provided (Expecting application/x-gtar)
+	args["objectName"] = objectName + "-Octet"
+	args["contentType"] = ""
+	args["fileName"] = fileName + ".gtar"
+
+	_, err = c.FPutObject(context.Background(), bucketName, objectName+"-GTar", fileName+".gtar", minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FPutObject failed", err)
+		return
+	}
+
+	// Check headers and sizes
+	rStandard, err := c.StatObject(context.Background(), bucketName, objectName+"-standard", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	if rStandard.Size != 11*1024*1024 {
+		logError(testName, function, args, startTime, "", "Unexpected size", nil)
+		return
+	}
+
+	if rStandard.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "Content-Type headers mismatched, expected: application/octet-stream , got "+rStandard.ContentType, err)
+		return
+	}
+
+	rOctet, err := c.StatObject(context.Background(), bucketName, objectName+"-Octet", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if rOctet.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "Content-Type headers mismatched, expected: application/octet-stream , got "+rOctet.ContentType, err)
+		return
+	}
+
+	if rOctet.Size != 11*1024*1024 {
+		logError(testName, function, args, startTime, "", "Unexpected size", nil)
+		return
+	}
+
+	rGTar, err := c.StatObject(context.Background(), bucketName, objectName+"-GTar", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if rGTar.Size != 11*1024*1024 {
+		logError(testName, function, args, startTime, "", "Unexpected size", nil)
+		return
+	}
+	if rGTar.ContentType != "application/x-gtar" && rGTar.ContentType != "application/octet-stream" {
+		logError(testName, function, args, startTime, "", "Content-Type headers mismatched, expected: application/x-gtar , got "+rGTar.ContentType, err)
+		return
+	}
+
+	os.Remove(fileName + ".gtar")
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests various bucket supported formats.
+func testMakeBucketRegionsV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "MakeBucket(bucketName, region)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"region":     "eu-west-1",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket in 'eu-central-1'.
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "eu-west-1"}); err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	if err = cleanupBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed while removing bucket recursively", err)
+		return
+	}
+
+	// Make a new bucket with '.' in its name, in 'us-west-2'. This
+	// request is internally staged into a path style instead of
+	// virtual host style.
+	if err = c.MakeBucket(context.Background(), bucketName+".withperiod", minio.MakeBucketOptions{Region: "us-west-2"}); err != nil {
+		args["bucketName"] = bucketName + ".withperiod"
+		args["region"] = "us-west-2"
+		logError(testName, function, args, startTime, "", "MakeBucket test with a bucket name with period, '.', failed", err)
+		return
+	}
+
+	// Delete all objects and buckets
+	if err = cleanupBucket(bucketName+".withperiod", c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed while removing bucket recursively", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests get object ReaderSeeker interface methods.
+func testGetObjectReadSeekFunctionalV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data.
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer r.Close()
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(int64(bufSize))+" got "+string(st.Size), err)
+		return
+	}
+
+	offset := int64(2048)
+	n, err := r.Seek(offset, 0)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Seek failed", err)
+		return
+	}
+	if n != offset {
+		logError(testName, function, args, startTime, "", "Number of seeked bytes does not match, expected "+string(offset)+" got "+string(n), err)
+		return
+	}
+	n, err = r.Seek(0, 1)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Seek failed", err)
+		return
+	}
+	if n != offset {
+		logError(testName, function, args, startTime, "", "Number of seeked bytes does not match, expected "+string(offset)+" got "+string(n), err)
+		return
+	}
+	_, err = r.Seek(offset, 2)
+	if err == nil {
+		logError(testName, function, args, startTime, "", "Seek on positive offset for whence '2' should error out", err)
+		return
+	}
+	n, err = r.Seek(-offset, 2)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Seek failed", err)
+		return
+	}
+	if n != st.Size-offset {
+		logError(testName, function, args, startTime, "", "Number of seeked bytes does not match, expected "+string(st.Size-offset)+" got "+string(n), err)
+		return
+	}
+
+	var buffer1 bytes.Buffer
+	if _, err = io.CopyN(&buffer1, r, st.Size); err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "Copy failed", err)
+			return
+		}
+	}
+	if !bytes.Equal(buf[len(buf)-int(offset):], buffer1.Bytes()) {
+		logError(testName, function, args, startTime, "", "Incorrect read bytes v/s original buffer", err)
+		return
+	}
+
+	// Seek again and read again.
+	n, err = r.Seek(offset-1, 0)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Seek failed", err)
+		return
+	}
+	if n != (offset - 1) {
+		logError(testName, function, args, startTime, "", "Number of seeked bytes does not match, expected "+string(offset-1)+" got "+string(n), err)
+		return
+	}
+
+	var buffer2 bytes.Buffer
+	if _, err = io.CopyN(&buffer2, r, st.Size); err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "Copy failed", err)
+			return
+		}
+	}
+	// Verify now lesser bytes.
+	if !bytes.Equal(buf[2047:], buffer2.Bytes()) {
+		logError(testName, function, args, startTime, "", "Incorrect read bytes v/s original buffer", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests get object ReaderAt interface methods.
+func testGetObjectReadAtFunctionalV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(bucketName, objectName)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	buf, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+
+	// Save the data
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer r.Close()
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(bufSize)+" got "+string(st.Size), err)
+		return
+	}
+
+	offset := int64(2048)
+
+	// Read directly
+	buf2 := make([]byte, 512)
+	buf3 := make([]byte, 512)
+	buf4 := make([]byte, 512)
+
+	m, err := r.ReadAt(buf2, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf2) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf2))+" got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf2, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf3, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf3) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf3))+" got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf3, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+	offset += 512
+	m, err = r.ReadAt(buf4, offset)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAt failed", err)
+		return
+	}
+	if m != len(buf4) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf4))+" got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf4, buf[offset:offset+512]) {
+		logError(testName, function, args, startTime, "", "Incorrect read between two ReadAt from same offset", err)
+		return
+	}
+
+	buf5 := make([]byte, bufSize)
+	// Read the whole object.
+	m, err = r.ReadAt(buf5, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+	if m != len(buf5) {
+		logError(testName, function, args, startTime, "", "ReadAt read shorter bytes before reaching EOF, expected "+string(len(buf5))+" got "+string(m), err)
+		return
+	}
+	if !bytes.Equal(buf, buf5) {
+		logError(testName, function, args, startTime, "", "Incorrect data read in GetObject, than what was previously uploaded", err)
+		return
+	}
+
+	buf6 := make([]byte, bufSize+1)
+	// Read the whole object and beyond.
+	_, err = r.ReadAt(buf6, 0)
+	if err != nil {
+		if err != io.EOF {
+			logError(testName, function, args, startTime, "", "ReadAt failed", err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Tests copy object
+func testCopyObjectV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, c)
+
+	// Make a new bucket in 'us-east-1' (destination bucket).
+	err = c.MakeBucket(context.Background(), bucketName+"-copy", minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName+"-copy", c)
+
+	// Generate 33K of data.
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	r, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	// Check the various fields of source object against destination object.
+	objInfo, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	r.Close()
+
+	// Copy Source
+	src := minio.CopySrcOptions{
+		Bucket:             bucketName,
+		Object:             objectName,
+		MatchModifiedSince: time.Date(2014, time.April, 0, 0, 0, 0, 0, time.UTC),
+		MatchETag:          objInfo.ETag,
+	}
+	args["source"] = src
+
+	// Set copy conditions.
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName + "-copy",
+		Object: objectName + "-copy",
+	}
+	args["destination"] = dst
+
+	// Perform the Copy
+	_, err = c.CopyObject(context.Background(), dst, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	// Source object
+	r, err = c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	// Destination object
+	readerCopy, err := c.GetObject(context.Background(), bucketName+"-copy", objectName+"-copy", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	// Check the various fields of source object against destination object.
+	objInfo, err = r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	objInfoCopy, err := readerCopy.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Stat failed", err)
+		return
+	}
+	if objInfo.Size != objInfoCopy.Size {
+		logError(testName, function, args, startTime, "", "Number of bytes does not match, expected "+string(objInfoCopy.Size)+" got "+string(objInfo.Size), err)
+		return
+	}
+
+	// Close all the readers.
+	r.Close()
+	readerCopy.Close()
+
+	// CopyObject again but with wrong conditions
+	src = minio.CopySrcOptions{
+		Bucket:               bucketName,
+		Object:               objectName,
+		MatchUnmodifiedSince: time.Date(2014, time.April, 0, 0, 0, 0, 0, time.UTC),
+		NoMatchETag:          objInfo.ETag,
+	}
+
+	// Perform the Copy which should fail
+	_, err = c.CopyObject(context.Background(), dst, src)
+	if err == nil {
+		logError(testName, function, args, startTime, "", "CopyObject did not fail for invalid conditions", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testComposeObjectErrorCasesWrapper(c *minio.Client) {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject(destination, sourceList)"
+	args := map[string]interface{}{}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err := c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Test that more than 10K source objects cannot be
+	// concatenated.
+	srcArr := [10001]minio.CopySrcOptions{}
+	srcSlice := srcArr[:]
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: "object",
+	}
+
+	args["destination"] = dst
+	// Just explain about srcArr in args["sourceList"]
+	// to stop having 10,001 null headers logged
+	args["sourceList"] = "source array of 10,001 elements"
+	if _, err := c.ComposeObject(context.Background(), dst, srcSlice...); err == nil {
+		logError(testName, function, args, startTime, "", "Expected error in ComposeObject", err)
+		return
+	} else if err.Error() != "There must be as least one and up to 10000 source objects." {
+		logError(testName, function, args, startTime, "", "Got unexpected error", err)
+		return
+	}
+
+	// Create a source with invalid offset spec and check that
+	// error is returned:
+	// 1. Create the source object.
+	const badSrcSize = 5 * 1024 * 1024
+	buf := bytes.Repeat([]byte("1"), badSrcSize)
+	_, err = c.PutObject(context.Background(), bucketName, "badObject", bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	// 2. Set invalid range spec on the object (going beyond
+	// object size)
+	badSrc := minio.CopySrcOptions{
+		Bucket:     bucketName,
+		Object:     "badObject",
+		MatchRange: true,
+		Start:      1,
+		End:        badSrcSize,
+	}
+
+	// 3. ComposeObject call should fail.
+	if _, err := c.ComposeObject(context.Background(), dst, badSrc); err == nil {
+		logError(testName, function, args, startTime, "", "ComposeObject expected to fail", err)
+		return
+	} else if !strings.Contains(err.Error(), "has invalid segment-to-copy") {
+		logError(testName, function, args, startTime, "", "Got invalid error", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test expected error cases
+func testComposeObjectErrorCasesV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject(destination, sourceList)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	testComposeObjectErrorCasesWrapper(c)
+}
+
+func testComposeMultipleSources(c *minio.Client) {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject(destination, sourceList)"
+	args := map[string]interface{}{
+		"destination": "",
+		"sourceList":  "",
+	}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err := c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Upload a small source object
+	const srcSize = 1024 * 1024 * 5
+	buf := bytes.Repeat([]byte("1"), srcSize)
+	_, err = c.PutObject(context.Background(), bucketName, "srcObject", bytes.NewReader(buf), int64(srcSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// We will append 10 copies of the object.
+	srcs := []minio.CopySrcOptions{}
+	for i := 0; i < 10; i++ {
+		srcs = append(srcs, minio.CopySrcOptions{
+			Bucket: bucketName,
+			Object: "srcObject",
+		})
+	}
+
+	// make the last part very small
+	srcs[9].MatchRange = true
+
+	args["sourceList"] = srcs
+
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: "dstObject",
+	}
+	args["destination"] = dst
+
+	ui, err := c.ComposeObject(context.Background(), dst, srcs...)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ComposeObject failed", err)
+		return
+	}
+
+	if ui.Size != 9*srcSize+1 {
+		logError(testName, function, args, startTime, "", "ComposeObject returned unexpected size", err)
+		return
+	}
+
+	objProps, err := c.StatObject(context.Background(), bucketName, "dstObject", minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	if objProps.Size != 9*srcSize+1 {
+		logError(testName, function, args, startTime, "", "Size mismatched! Expected "+string(10000*srcSize)+" got "+string(objProps.Size), err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test concatenating multiple 10K objects V2
+func testCompose10KSourcesV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject(destination, sourceList)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	testComposeMultipleSources(c)
+}
+
+func testEncryptedEmptyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader, objectSize, opts)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	sse := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"object"))
+
+	// 1. create an sse-c encrypted object to copy by uploading
+	const srcSize = 0
+	var buf []byte // Empty buffer
+	args["objectName"] = "object"
+	_, err = c.PutObject(context.Background(), bucketName, "object", bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ServerSideEncryption: sse})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	// 2. Test CopyObject for an empty object
+	src := minio.CopySrcOptions{
+		Bucket:     bucketName,
+		Object:     "object",
+		Encryption: sse,
+	}
+
+	dst := minio.CopyDestOptions{
+		Bucket:     bucketName,
+		Object:     "new-object",
+		Encryption: sse,
+	}
+
+	if _, err = c.CopyObject(context.Background(), dst, src); err != nil {
+		function = "CopyObject(dst, src)"
+		logError(testName, function, map[string]interface{}{}, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	// 3. Test Key rotation
+	newSSE := encrypt.DefaultPBKDF([]byte("Don't Panic"), []byte(bucketName+"new-object"))
+	src = minio.CopySrcOptions{
+		Bucket:     bucketName,
+		Object:     "new-object",
+		Encryption: sse,
+	}
+
+	dst = minio.CopyDestOptions{
+		Bucket:     bucketName,
+		Object:     "new-object",
+		Encryption: newSSE,
+	}
+
+	if _, err = c.CopyObject(context.Background(), dst, src); err != nil {
+		function = "CopyObject(dst, src)"
+		logError(testName, function, map[string]interface{}{}, startTime, "", "CopyObject with key rotation failed", err)
+		return
+	}
+
+	// 4. Download the object.
+	reader, err := c.GetObject(context.Background(), bucketName, "new-object", minio.GetObjectOptions{ServerSideEncryption: newSSE})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer reader.Close()
+
+	decBytes, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, map[string]interface{}{}, startTime, "", "ReadAll failed", err)
+		return
+	}
+	if !bytes.Equal(decBytes, buf) {
+		logError(testName, function, map[string]interface{}{}, startTime, "", "Downloaded object doesn't match the empty encrypted object", err)
+		return
+	}
+
+	delete(args, "objectName")
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testEncryptedCopyObjectWrapper(c *minio.Client, bucketName string, sseSrc, sseDst encrypt.ServerSide) {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncNameLoc(2)
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+	var srcEncryption, dstEncryption encrypt.ServerSide
+
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err := c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// 1. create an sse-c encrypted object to copy by uploading
+	const srcSize = 1024 * 1024
+	buf := bytes.Repeat([]byte("abcde"), srcSize) // gives a buffer of 5MiB
+	_, err = c.PutObject(context.Background(), bucketName, "srcObject", bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{
+		ServerSideEncryption: sseSrc,
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	if sseSrc != nil && sseSrc.Type() != encrypt.S3 {
+		srcEncryption = sseSrc
+	}
+
+	// 2. copy object and change encryption key
+	src := minio.CopySrcOptions{
+		Bucket:     bucketName,
+		Object:     "srcObject",
+		Encryption: srcEncryption,
+	}
+	args["source"] = src
+
+	dst := minio.CopyDestOptions{
+		Bucket:     bucketName,
+		Object:     "dstObject",
+		Encryption: sseDst,
+	}
+	args["destination"] = dst
+
+	_, err = c.CopyObject(context.Background(), dst, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	if sseDst != nil && sseDst.Type() != encrypt.S3 {
+		dstEncryption = sseDst
+	}
+	// 3. get copied object and check if content is equal
+	coreClient := minio.Core{c}
+	reader, _, _, err := coreClient.GetObject(context.Background(), bucketName, "dstObject", minio.GetObjectOptions{ServerSideEncryption: dstEncryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	decBytes, err := ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+	if !bytes.Equal(decBytes, buf) {
+		logError(testName, function, args, startTime, "", "Downloaded object mismatched for encrypted object", err)
+		return
+	}
+	reader.Close()
+
+	// Test key rotation for source object in-place.
+	var newSSE encrypt.ServerSide
+	if sseSrc != nil && sseSrc.Type() == encrypt.SSEC {
+		newSSE = encrypt.DefaultPBKDF([]byte("Don't Panic"), []byte(bucketName+"srcObject")) // replace key
+	}
+	if sseSrc != nil && sseSrc.Type() == encrypt.S3 {
+		newSSE = encrypt.NewSSE()
+	}
+	if newSSE != nil {
+		dst = minio.CopyDestOptions{
+			Bucket:     bucketName,
+			Object:     "srcObject",
+			Encryption: newSSE,
+		}
+		args["destination"] = dst
+
+		_, err = c.CopyObject(context.Background(), dst, src)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "CopyObject failed", err)
+			return
+		}
+
+		// Get copied object and check if content is equal
+		reader, _, _, err = coreClient.GetObject(context.Background(), bucketName, "srcObject", minio.GetObjectOptions{ServerSideEncryption: newSSE})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "GetObject failed", err)
+			return
+		}
+
+		decBytes, err = ioutil.ReadAll(reader)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "ReadAll failed", err)
+			return
+		}
+		if !bytes.Equal(decBytes, buf) {
+			logError(testName, function, args, startTime, "", "Downloaded object mismatched for encrypted object", err)
+			return
+		}
+		reader.Close()
+
+		// Test in-place decryption.
+		dst = minio.CopyDestOptions{
+			Bucket: bucketName,
+			Object: "srcObject",
+		}
+		args["destination"] = dst
+
+		src = minio.CopySrcOptions{
+			Bucket:     bucketName,
+			Object:     "srcObject",
+			Encryption: newSSE,
+		}
+		args["source"] = src
+		_, err = c.CopyObject(context.Background(), dst, src)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "CopyObject Key rotation failed", err)
+			return
+		}
+	}
+
+	// Get copied decrypted object and check if content is equal
+	reader, _, _, err = coreClient.GetObject(context.Background(), bucketName, "srcObject", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	defer reader.Close()
+
+	decBytes, err = ioutil.ReadAll(reader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+	if !bytes.Equal(decBytes, buf) {
+		logError(testName, function, args, startTime, "", "Downloaded object mismatched for encrypted object", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test encrypted copy object
+func testUnencryptedToSSECCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseDst := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"dstObject"))
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, nil, sseDst)
+}
+
+// Test encrypted copy object
+func testUnencryptedToSSES3CopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	var sseSrc encrypt.ServerSide
+	sseDst := encrypt.NewSSE()
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testUnencryptedToUnencryptedCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	var sseSrc, sseDst encrypt.ServerSide
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedSSECToSSECCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"srcObject"))
+	sseDst := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"dstObject"))
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedSSECToSSES3CopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"srcObject"))
+	sseDst := encrypt.NewSSE()
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedSSECToUnencryptedCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"srcObject"))
+	var sseDst encrypt.ServerSide
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedSSES3ToSSECCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.NewSSE()
+	sseDst := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"dstObject"))
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedSSES3ToSSES3CopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.NewSSE()
+	sseDst := encrypt.NewSSE()
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedSSES3ToUnencryptedCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.NewSSE()
+	var sseDst encrypt.ServerSide
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+// Test encrypted copy object
+func testEncryptedCopyObjectV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+
+	sseSrc := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"srcObject"))
+	sseDst := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+"dstObject"))
+	// c.TraceOn(os.Stderr)
+	testEncryptedCopyObjectWrapper(c, bucketName, sseSrc, sseDst)
+}
+
+func testDecryptedCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v2 client object creation failed", err)
+		return
+	}
+
+	bucketName, objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-"), "object"
+	if err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"}); err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	encryption := encrypt.DefaultPBKDF([]byte("correct horse battery staple"), []byte(bucketName+objectName))
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(bytes.Repeat([]byte("a"), 1024*1024)), 1024*1024, minio.PutObjectOptions{
+		ServerSideEncryption: encryption,
+	})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	src := minio.CopySrcOptions{
+		Bucket:     bucketName,
+		Object:     objectName,
+		Encryption: encrypt.SSECopy(encryption),
+	}
+	args["source"] = src
+
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: "decrypted-" + objectName,
+	}
+	args["destination"] = dst
+
+	if _, err = c.CopyObject(context.Background(), dst, src); err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+	if _, err = c.GetObject(context.Background(), bucketName, "decrypted-"+objectName, minio.GetObjectOptions{}); err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testSSECMultipartEncryptedToSSECCopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 6MB of data
+	buf := bytes.Repeat([]byte("abcdef"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	password := "correct horse battery staple"
+	srcencryption := encrypt.DefaultPBKDF([]byte(password), []byte(bucketName+objectName))
+
+	// Upload a 6MB object using multipart mechanism
+	uploadID, err := c.NewMultipartUpload(context.Background(), bucketName, objectName, minio.PutObjectOptions{ServerSideEncryption: srcencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	var completeParts []minio.CompletePart
+
+	part, err := c.PutObjectPart(context.Background(), bucketName, objectName, uploadID, 1, bytes.NewReader(buf[:5*1024*1024]), 5*1024*1024, "", "", srcencryption)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectPart call failed", err)
+		return
+	}
+	completeParts = append(completeParts, minio.CompletePart{PartNumber: part.PartNumber, ETag: part.ETag})
+
+	part, err = c.PutObjectPart(context.Background(), bucketName, objectName, uploadID, 2, bytes.NewReader(buf[5*1024*1024:]), 1024*1024, "", "", srcencryption)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectPart call failed", err)
+		return
+	}
+	completeParts = append(completeParts, minio.CompletePart{PartNumber: part.PartNumber, ETag: part.ETag})
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), bucketName, objectName, uploadID, completeParts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.DefaultPBKDF([]byte(password), []byte(destBucketName+destObjectName))
+
+	uploadID, err = c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	encrypt.SSECopy(srcencryption).Marshal(header)
+	dstencryption.Marshal(header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = objInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err = c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (6*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{ServerSideEncryption: dstencryption}
+	getOpts.SetRange(0, 6*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 6*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 6MB", err)
+		return
+	}
+
+	getOpts.SetRange(6*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 6*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:6*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 6MB", err)
+		return
+	}
+	if getBuf[6*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation
+func testSSECEncryptedToSSECCopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	password := "correct horse battery staple"
+	srcencryption := encrypt.DefaultPBKDF([]byte(password), []byte(bucketName+objectName))
+	putmetadata := map[string]string{
+		"Content-Type": "binary/octet-stream",
+	}
+	opts := minio.PutObjectOptions{
+		UserMetadata:         putmetadata,
+		ServerSideEncryption: srcencryption,
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.DefaultPBKDF([]byte(password), []byte(destBucketName+destObjectName))
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	encrypt.SSECopy(srcencryption).Marshal(header)
+	dstencryption.Marshal(header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{ServerSideEncryption: dstencryption}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for SSEC encrypted to unencrypted copy
+func testSSECEncryptedToUnencryptedCopyPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	password := "correct horse battery staple"
+	srcencryption := encrypt.DefaultPBKDF([]byte(password), []byte(bucketName+objectName))
+
+	opts := minio.PutObjectOptions{
+		UserMetadata: map[string]string{
+			"Content-Type": "binary/octet-stream",
+		},
+		ServerSideEncryption: srcencryption,
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	var dstencryption encrypt.ServerSide
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	encrypt.SSECopy(srcencryption).Marshal(header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for SSEC encrypted to SSE-S3 encrypted copy
+func testSSECEncryptedToSSES3CopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	password := "correct horse battery staple"
+	srcencryption := encrypt.DefaultPBKDF([]byte(password), []byte(bucketName+objectName))
+	putmetadata := map[string]string{
+		"Content-Type": "binary/octet-stream",
+	}
+	opts := minio.PutObjectOptions{
+		UserMetadata:         putmetadata,
+		ServerSideEncryption: srcencryption,
+	}
+
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.NewSSE()
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	encrypt.SSECopy(srcencryption).Marshal(header)
+	dstencryption.Marshal(header)
+
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for unencrypted to SSEC encryption copy part
+func testUnencryptedToSSECCopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	password := "correct horse battery staple"
+	putmetadata := map[string]string{
+		"Content-Type": "binary/octet-stream",
+	}
+	opts := minio.PutObjectOptions{
+		UserMetadata: putmetadata,
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.DefaultPBKDF([]byte(password), []byte(destBucketName+destObjectName))
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	dstencryption.Marshal(header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{ServerSideEncryption: dstencryption}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for unencrypted to unencrypted copy
+func testUnencryptedToUnencryptedCopyPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	putmetadata := map[string]string{
+		"Content-Type": "binary/octet-stream",
+	}
+	opts := minio.PutObjectOptions{
+		UserMetadata: putmetadata,
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for unencrypted to SSE-S3 encrypted copy
+func testUnencryptedToSSES3CopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	opts := minio.PutObjectOptions{
+		UserMetadata: map[string]string{
+			"Content-Type": "binary/octet-stream",
+		},
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.NewSSE()
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	dstencryption.Marshal(header)
+
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for SSE-S3 to SSEC encryption copy part
+func testSSES3EncryptedToSSECCopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	password := "correct horse battery staple"
+	srcEncryption := encrypt.NewSSE()
+	opts := minio.PutObjectOptions{
+		UserMetadata: map[string]string{
+			"Content-Type": "binary/octet-stream",
+		},
+		ServerSideEncryption: srcEncryption,
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcEncryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.DefaultPBKDF([]byte(password), []byte(destBucketName+destObjectName))
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	dstencryption.Marshal(header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{ServerSideEncryption: dstencryption}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for unencrypted to unencrypted copy
+func testSSES3EncryptedToUnencryptedCopyPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	srcEncryption := encrypt.NewSSE()
+	opts := minio.PutObjectOptions{
+		UserMetadata: map[string]string{
+			"Content-Type": "binary/octet-stream",
+		},
+		ServerSideEncryption: srcEncryption,
+	}
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcEncryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+
+// Test Core CopyObjectPart implementation for unencrypted to SSE-S3 encrypted copy
+func testSSES3EncryptedToSSES3CopyObjectPart() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObjectPart(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	client, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Instantiate new core client object.
+	c := minio.Core{client}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, client)
+	// Make a buffer with 5MB of data
+	buf := bytes.Repeat([]byte("abcde"), 1024*1024)
+
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	srcEncryption := encrypt.NewSSE()
+	opts := minio.PutObjectOptions{
+		UserMetadata: map[string]string{
+			"Content-Type": "binary/octet-stream",
+		},
+		ServerSideEncryption: srcEncryption,
+	}
+
+	uploadInfo, err := c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), "", "", opts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{ServerSideEncryption: srcEncryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", fmt.Sprintf("Error: number of bytes does not match, want %v, got %v\n", len(buf), st.Size), err)
+		return
+	}
+
+	destBucketName := bucketName
+	destObjectName := objectName + "-dest"
+	dstencryption := encrypt.NewSSE()
+
+	uploadID, err := c.NewMultipartUpload(context.Background(), destBucketName, destObjectName, minio.PutObjectOptions{ServerSideEncryption: dstencryption})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "NewMultipartUpload call failed", err)
+		return
+	}
+
+	// Content of the destination object will be two copies of
+	// `objectName` concatenated, followed by first byte of
+	// `objectName`.
+	metadata := make(map[string]string)
+	header := make(http.Header)
+	dstencryption.Marshal(header)
+
+	for k, v := range header {
+		metadata[k] = v[0]
+	}
+
+	metadata["x-amz-copy-source-if-match"] = uploadInfo.ETag
+
+	// First of three parts
+	fstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 1, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Second of three parts
+	sndPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 2, 0, -1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Last of three parts
+	lstPart, err := c.CopyObjectPart(context.Background(), bucketName, objectName, destBucketName, destObjectName, uploadID, 3, 0, 1, metadata)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObjectPart call failed", err)
+		return
+	}
+
+	// Complete the multipart upload
+	_, err = c.CompleteMultipartUpload(context.Background(), destBucketName, destObjectName, uploadID, []minio.CompletePart{fstPart, sndPart, lstPart})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CompleteMultipartUpload call failed", err)
+		return
+	}
+
+	// Stat the object and check its length matches
+	objInfo, err := c.StatObject(context.Background(), destBucketName, destObjectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject call failed", err)
+		return
+	}
+
+	if objInfo.Size != (5*1024*1024)*2+1 {
+		logError(testName, function, args, startTime, "", "Destination object has incorrect size!", err)
+		return
+	}
+
+	// Now we read the data back
+	getOpts := minio.GetObjectOptions{}
+	getOpts.SetRange(0, 5*1024*1024-1)
+	r, _, _, err := c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf := make([]byte, 5*1024*1024)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf, buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in first 5MB", err)
+		return
+	}
+
+	getOpts.SetRange(5*1024*1024, 0)
+	r, _, _, err = c.GetObject(context.Background(), destBucketName, destObjectName, getOpts)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject call failed", err)
+		return
+	}
+	getBuf = make([]byte, 5*1024*1024+1)
+	_, err = readFull(r, getBuf)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "Read buffer failed", err)
+		return
+	}
+	if !bytes.Equal(getBuf[:5*1024*1024], buf) {
+		logError(testName, function, args, startTime, "", "Got unexpected data in second 5MB", err)
+		return
+	}
+	if getBuf[5*1024*1024] != buf[0] {
+		logError(testName, function, args, startTime, "", "Got unexpected data in last byte of copied object!", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+	// Do not need to remove destBucketName its same as bucketName.
+}
+func testUserMetadataCopying() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	// c.TraceOn(os.Stderr)
+	testUserMetadataCopyingWrapper(c)
+}
+
+func testUserMetadataCopyingWrapper(c *minio.Client) {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err := c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	fetchMeta := func(object string) (h http.Header) {
+		objInfo, err := c.StatObject(context.Background(), bucketName, object, minio.StatObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "Stat failed", err)
+			return
+		}
+		h = make(http.Header)
+		for k, vs := range objInfo.Metadata {
+			if strings.HasPrefix(strings.ToLower(k), "x-amz-meta-") {
+				h.Add(k, vs[0])
+			}
+		}
+		return h
+	}
+
+	// 1. create a client encrypted object to copy by uploading
+	const srcSize = 1024 * 1024
+	buf := bytes.Repeat([]byte("abcde"), srcSize) // gives a buffer of 5MiB
+	metadata := make(http.Header)
+	metadata.Set("x-amz-meta-myheader", "myvalue")
+	m := make(map[string]string)
+	m["x-amz-meta-myheader"] = "myvalue"
+	_, err = c.PutObject(context.Background(), bucketName, "srcObject",
+		bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{UserMetadata: m})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectWithMetadata failed", err)
+		return
+	}
+	if !reflect.DeepEqual(metadata, fetchMeta("srcObject")) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	// 2. create source
+	src := minio.CopySrcOptions{
+		Bucket: bucketName,
+		Object: "srcObject",
+	}
+
+	// 2.1 create destination with metadata set
+	dst1 := minio.CopyDestOptions{
+		Bucket:          bucketName,
+		Object:          "dstObject-1",
+		UserMetadata:    map[string]string{"notmyheader": "notmyvalue"},
+		ReplaceMetadata: true,
+	}
+
+	// 3. Check that copying to an object with metadata set resets
+	// the headers on the copy.
+	args["source"] = src
+	args["destination"] = dst1
+	_, err = c.CopyObject(context.Background(), dst1, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	expectedHeaders := make(http.Header)
+	expectedHeaders.Set("x-amz-meta-notmyheader", "notmyvalue")
+	if !reflect.DeepEqual(expectedHeaders, fetchMeta("dstObject-1")) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	// 4. create destination with no metadata set and same source
+	dst2 := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: "dstObject-2",
+	}
+
+	// 5. Check that copying to an object with no metadata set,
+	// copies metadata.
+	args["source"] = src
+	args["destination"] = dst2
+	_, err = c.CopyObject(context.Background(), dst2, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed", err)
+		return
+	}
+
+	expectedHeaders = metadata
+	if !reflect.DeepEqual(expectedHeaders, fetchMeta("dstObject-2")) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	// 6. Compose a pair of sources.
+	dst3 := minio.CopyDestOptions{
+		Bucket:          bucketName,
+		Object:          "dstObject-3",
+		ReplaceMetadata: true,
+	}
+
+	function = "ComposeObject(destination, sources)"
+	args["source"] = []minio.CopySrcOptions{src, src}
+	args["destination"] = dst3
+	_, err = c.ComposeObject(context.Background(), dst3, src, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ComposeObject failed", err)
+		return
+	}
+
+	// Check that no headers are copied in this case
+	if !reflect.DeepEqual(make(http.Header), fetchMeta("dstObject-3")) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	// 7. Compose a pair of sources with dest user metadata set.
+	dst4 := minio.CopyDestOptions{
+		Bucket:          bucketName,
+		Object:          "dstObject-4",
+		UserMetadata:    map[string]string{"notmyheader": "notmyvalue"},
+		ReplaceMetadata: true,
+	}
+
+	function = "ComposeObject(destination, sources)"
+	args["source"] = []minio.CopySrcOptions{src, src}
+	args["destination"] = dst4
+	_, err = c.ComposeObject(context.Background(), dst4, src, src)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ComposeObject failed", err)
+		return
+	}
+
+	// Check that no headers are copied in this case
+	expectedHeaders = make(http.Header)
+	expectedHeaders.Set("x-amz-meta-notmyheader", "notmyvalue")
+	if !reflect.DeepEqual(expectedHeaders, fetchMeta("dstObject-4")) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testUserMetadataCopyingV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "CopyObject(destination, source)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// c.TraceOn(os.Stderr)
+	testUserMetadataCopyingWrapper(c)
+}
+
+func testStorageClassMetadataPutObject() {
+	// initialize logging params
+	startTime := time.Now()
+	function := "testStorageClassMetadataPutObject()"
+	args := map[string]interface{}{}
+	testName := getFuncName()
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	fetchMeta := func(object string) (h http.Header) {
+		objInfo, err := c.StatObject(context.Background(), bucketName, object, minio.StatObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "Stat failed", err)
+			return
+		}
+		h = make(http.Header)
+		for k, vs := range objInfo.Metadata {
+			if strings.HasPrefix(strings.ToLower(k), "x-amz-storage-class") {
+				for _, v := range vs {
+					h.Add(k, v)
+				}
+			}
+		}
+		return h
+	}
+
+	metadata := make(http.Header)
+	metadata.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
+
+	emptyMetadata := make(http.Header)
+
+	const srcSize = 1024 * 1024
+	buf := bytes.Repeat([]byte("abcde"), srcSize) // gives a buffer of 1MiB
+
+	_, err = c.PutObject(context.Background(), bucketName, "srcObjectRRSClass",
+		bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{StorageClass: "REDUCED_REDUNDANCY"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Get the returned metadata
+	returnedMeta := fetchMeta("srcObjectRRSClass")
+
+	// The response metada should either be equal to metadata (with REDUCED_REDUNDANCY) or emptyMetadata (in case of gateways)
+	if !reflect.DeepEqual(metadata, returnedMeta) && !reflect.DeepEqual(emptyMetadata, returnedMeta) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	metadata = make(http.Header)
+	metadata.Set("x-amz-storage-class", "STANDARD")
+
+	_, err = c.PutObject(context.Background(), bucketName, "srcObjectSSClass",
+		bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{StorageClass: "STANDARD"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	if reflect.DeepEqual(metadata, fetchMeta("srcObjectSSClass")) {
+		logError(testName, function, args, startTime, "", "Metadata verification failed, STANDARD storage class should not be a part of response metadata", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testStorageClassInvalidMetadataPutObject() {
+	// initialize logging params
+	startTime := time.Now()
+	function := "testStorageClassInvalidMetadataPutObject()"
+	args := map[string]interface{}{}
+	testName := getFuncName()
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	const srcSize = 1024 * 1024
+	buf := bytes.Repeat([]byte("abcde"), srcSize) // gives a buffer of 1MiB
+
+	_, err = c.PutObject(context.Background(), bucketName, "srcObjectRRSClass",
+		bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{StorageClass: "INVALID_STORAGE_CLASS"})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "PutObject with invalid storage class passed, was expected to fail", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+func testStorageClassMetadataCopyObject() {
+	// initialize logging params
+	startTime := time.Now()
+	function := "testStorageClassMetadataCopyObject()"
+	args := map[string]interface{}{}
+	testName := getFuncName()
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO v4 client object creation failed", err)
+		return
+	}
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test")
+	// Make a new bucket in 'us-east-1' (source bucket).
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	fetchMeta := func(object string) (h http.Header) {
+		objInfo, err := c.StatObject(context.Background(), bucketName, object, minio.StatObjectOptions{})
+		args["bucket"] = bucketName
+		args["object"] = object
+		if err != nil {
+			logError(testName, function, args, startTime, "", "Stat failed", err)
+			return
+		}
+		h = make(http.Header)
+		for k, vs := range objInfo.Metadata {
+			if strings.HasPrefix(strings.ToLower(k), "x-amz-storage-class") {
+				for _, v := range vs {
+					h.Add(k, v)
+				}
+			}
+		}
+		return h
+	}
+
+	metadata := make(http.Header)
+	metadata.Set("x-amz-storage-class", "REDUCED_REDUNDANCY")
+
+	emptyMetadata := make(http.Header)
+
+	const srcSize = 1024 * 1024
+	buf := bytes.Repeat([]byte("abcde"), srcSize)
+
+	// Put an object with RRS Storage class
+	_, err = c.PutObject(context.Background(), bucketName, "srcObjectRRSClass",
+		bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{StorageClass: "REDUCED_REDUNDANCY"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Make server side copy of object uploaded in previous step
+	src := minio.CopySrcOptions{
+		Bucket: bucketName,
+		Object: "srcObjectRRSClass",
+	}
+	dst := minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: "srcObjectRRSClassCopy",
+	}
+	if _, err = c.CopyObject(context.Background(), dst, src); err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed on RRS", err)
+		return
+	}
+
+	// Get the returned metadata
+	returnedMeta := fetchMeta("srcObjectRRSClassCopy")
+
+	// The response metada should either be equal to metadata (with REDUCED_REDUNDANCY) or emptyMetadata (in case of gateways)
+	if !reflect.DeepEqual(metadata, returnedMeta) && !reflect.DeepEqual(emptyMetadata, returnedMeta) {
+		logError(testName, function, args, startTime, "", "Metadata match failed", err)
+		return
+	}
+
+	metadata = make(http.Header)
+	metadata.Set("x-amz-storage-class", "STANDARD")
+
+	// Put an object with Standard Storage class
+	_, err = c.PutObject(context.Background(), bucketName, "srcObjectSSClass",
+		bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{StorageClass: "STANDARD"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Make server side copy of object uploaded in previous step
+	src = minio.CopySrcOptions{
+		Bucket: bucketName,
+		Object: "srcObjectSSClass",
+	}
+	dst = minio.CopyDestOptions{
+		Bucket: bucketName,
+		Object: "srcObjectSSClassCopy",
+	}
+	if _, err = c.CopyObject(context.Background(), dst, src); err != nil {
+		logError(testName, function, args, startTime, "", "CopyObject failed on SS", err)
+		return
+	}
+	// Fetch the meta data of copied object
+	if reflect.DeepEqual(metadata, fetchMeta("srcObjectSSClassCopy")) {
+		logError(testName, function, args, startTime, "", "Metadata verification failed, STANDARD storage class should not be a part of response metadata", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test put object with size -1 byte object.
+func testPutObjectNoLengthV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader, size, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"size":       -1,
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	objectName := bucketName + "unique"
+	args["objectName"] = objectName
+
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+	args["size"] = bufSize
+
+	// Upload an object.
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, -1, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectWithSize failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Expected upload object size "+string(bufSize)+" got "+string(st.Size), err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test put objects of unknown size.
+func testPutObjectsUnknownV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader,size,opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"size":       "",
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Issues are revealed by trying to upload multiple files of unknown size
+	// sequentially (on 4GB machines)
+	for i := 1; i <= 4; i++ {
+		// Simulate that we could be receiving byte slices of data that we want
+		// to upload as a file
+		rpipe, wpipe := io.Pipe()
+		defer rpipe.Close()
+		go func() {
+			b := []byte("test")
+			wpipe.Write(b)
+			wpipe.Close()
+		}()
+
+		// Upload the object.
+		objectName := fmt.Sprintf("%sunique%d", bucketName, i)
+		args["objectName"] = objectName
+
+		ui, err := c.PutObject(context.Background(), bucketName, objectName, rpipe, -1, minio.PutObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "PutObjectStreaming failed", err)
+			return
+		}
+
+		if ui.Size != 4 {
+			logError(testName, function, args, startTime, "", "Expected upload object size "+string(4)+" got "+string(ui.Size), nil)
+			return
+		}
+
+		st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+		if err != nil {
+			logError(testName, function, args, startTime, "", "StatObjectStreaming failed", err)
+			return
+		}
+
+		if st.Size != int64(4) {
+			logError(testName, function, args, startTime, "", "Expected upload object size "+string(4)+" got "+string(st.Size), err)
+			return
+		}
+
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test put object with 0 byte object.
+func testPutObject0ByteV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(bucketName, objectName, reader, size, opts)"
+	args := map[string]interface{}{
+		"bucketName": "",
+		"objectName": "",
+		"size":       0,
+		"opts":       "",
+	}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	objectName := bucketName + "unique"
+	args["objectName"] = objectName
+	args["opts"] = minio.PutObjectOptions{}
+
+	// Upload an object.
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader([]byte("")), 0, minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObjectWithSize failed", err)
+		return
+	}
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObjectWithSize failed", err)
+		return
+	}
+	if st.Size != 0 {
+		logError(testName, function, args, startTime, "", "Expected upload object size 0 but got "+string(st.Size), err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test expected error cases
+func testComposeObjectErrorCases() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject(destination, sourceList)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	testComposeObjectErrorCasesWrapper(c)
+}
+
+// Test concatenating multiple 10K objects V4
+func testCompose10KSources() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ComposeObject(destination, sourceList)"
+	args := map[string]interface{}{}
+
+	// Instantiate new minio client object
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client object creation failed", err)
+		return
+	}
+
+	testComposeMultipleSources(c)
+}
+
+// Tests comprehensive list of all methods.
+func testFunctionalV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "testFunctionalV2()"
+	functionAll := ""
+	args := map[string]interface{}{}
+
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable to debug
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	location := "us-east-1"
+	// Make a new bucket.
+	function = "MakeBucket(bucketName, location)"
+	functionAll = "MakeBucket(bucketName, location)"
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"location":   location,
+	}
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: location})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	// Generate a random file name.
+	fileName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	file, err := os.Create(fileName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "file create failed", err)
+		return
+	}
+	for i := 0; i < 3; i++ {
+		buf := make([]byte, rand.Intn(1<<19))
+		_, err = file.Write(buf)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "file write failed", err)
+			return
+		}
+	}
+	file.Close()
+
+	// Verify if bucket exits and you have access.
+	var exists bool
+	function = "BucketExists(bucketName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+	}
+	exists, err = c.BucketExists(context.Background(), bucketName)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "BucketExists failed", err)
+		return
+	}
+	if !exists {
+		logError(testName, function, args, startTime, "", "Could not find existing bucket "+bucketName, err)
+		return
+	}
+
+	// Make the bucket 'public read/write'.
+	function = "SetBucketPolicy(bucketName, bucketPolicy)"
+	functionAll += ", " + function
+
+	readWritePolicy := `{"Version": "2012-10-17","Statement": [{"Action": ["s3:ListBucketMultipartUploads", "s3:ListBucket"],"Effect": "Allow","Principal": {"AWS": ["*"]},"Resource": ["arn:aws:s3:::` + bucketName + `"],"Sid": ""}]}`
+
+	args = map[string]interface{}{
+		"bucketName":   bucketName,
+		"bucketPolicy": readWritePolicy,
+	}
+	err = c.SetBucketPolicy(context.Background(), bucketName, readWritePolicy)
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "SetBucketPolicy failed", err)
+		return
+	}
+
+	// List all buckets.
+	function = "ListBuckets()"
+	functionAll += ", " + function
+	args = nil
+	buckets, err := c.ListBuckets(context.Background())
+	if len(buckets) == 0 {
+		logError(testName, function, args, startTime, "", "List buckets cannot be empty", err)
+		return
+	}
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ListBuckets failed", err)
+		return
+	}
+
+	// Verify if previously created bucket is listed in list buckets.
+	bucketFound := false
+	for _, bucket := range buckets {
+		if bucket.Name == bucketName {
+			bucketFound = true
+		}
+	}
+
+	// If bucket not found error out.
+	if !bucketFound {
+		logError(testName, function, args, startTime, "", "Bucket "+bucketName+"not found", err)
+		return
+	}
+
+	objectName := bucketName + "unique"
+
+	// Generate data
+	buf := bytes.Repeat([]byte("n"), rand.Intn(1<<19))
+
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"contentType": "",
+	}
+	_, err = c.PutObject(context.Background(), bucketName, objectName, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	st, err := c.StatObject(context.Background(), bucketName, objectName, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", "Expected uploaded object length "+string(len(buf))+" got "+string(st.Size), err)
+		return
+	}
+
+	objectNameNoLength := objectName + "-nolength"
+	args["objectName"] = objectNameNoLength
+	_, err = c.PutObject(context.Background(), bucketName, objectNameNoLength, bytes.NewReader(buf), int64(len(buf)), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+	st, err = c.StatObject(context.Background(), bucketName, objectNameNoLength, minio.StatObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "StatObject failed", err)
+		return
+	}
+	if st.Size != int64(len(buf)) {
+		logError(testName, function, args, startTime, "", "Expected uploaded object length "+string(len(buf))+" got "+string(st.Size), err)
+		return
+	}
+
+	// Instantiate a done channel to close all listing.
+	doneCh := make(chan struct{})
+	defer close(doneCh)
+
+	objFound := false
+	isRecursive := true // Recursive is true.
+	function = "ListObjects(bucketName, objectName, isRecursive, doneCh)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"isRecursive": isRecursive,
+	}
+	for obj := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{UseV1: true, Prefix: objectName, Recursive: isRecursive}) {
+		if obj.Key == objectName {
+			objFound = true
+			break
+		}
+	}
+	if !objFound {
+		logError(testName, function, args, startTime, "", "Could not find existing object "+objectName, err)
+		return
+	}
+
+	incompObjNotFound := true
+	function = "ListIncompleteUploads(bucketName, objectName, isRecursive, doneCh)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName":  bucketName,
+		"objectName":  objectName,
+		"isRecursive": isRecursive,
+	}
+	for objIncompl := range c.ListIncompleteUploads(context.Background(), bucketName, objectName, isRecursive) {
+		if objIncompl.Key != "" {
+			incompObjNotFound = false
+			break
+		}
+	}
+	if !incompObjNotFound {
+		logError(testName, function, args, startTime, "", "Unexpected dangling incomplete upload found", err)
+		return
+	}
+
+	function = "GetObject(bucketName, objectName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+	}
+	newReader, err := c.GetObject(context.Background(), bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	newReadBytes, err := ioutil.ReadAll(newReader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+	newReader.Close()
+
+	if !bytes.Equal(newReadBytes, buf) {
+		logError(testName, function, args, startTime, "", "Bytes mismatch", err)
+		return
+	}
+
+	function = "FGetObject(bucketName, objectName, fileName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"fileName":   fileName + "-f",
+	}
+	err = c.FGetObject(context.Background(), bucketName, objectName, fileName+"-f", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FgetObject failed", err)
+		return
+	}
+
+	// Generate presigned HEAD object url.
+	function = "PresignedHeadObject(bucketName, objectName, expires, reqParams)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"expires":    3600 * time.Second,
+	}
+	presignedHeadURL, err := c.PresignedHeadObject(context.Background(), bucketName, objectName, 3600*time.Second, nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject failed", err)
+		return
+	}
+
+	transport, err := minio.DefaultTransport(mustParseBool(os.Getenv(enableHTTPS)))
+	if err != nil {
+		logError(testName, function, args, startTime, "", "DefaultTransport failed", err)
+		return
+	}
+
+	httpClient := &http.Client{
+		// Setting a sensible time out of 30secs to wait for response
+		// headers. Request is pro-actively canceled after 30secs
+		// with no response.
+		Timeout:   30 * time.Second,
+		Transport: transport,
+	}
+
+	req, err := http.NewRequest(http.MethodHead, presignedHeadURL.String(), nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject URL head request failed", err)
+		return
+	}
+
+	// Verify if presigned url works.
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject URL head request failed", err)
+		return
+	}
+	if resp.StatusCode != http.StatusOK {
+		logError(testName, function, args, startTime, "", "PresignedHeadObject URL returns status "+string(resp.StatusCode), err)
+		return
+	}
+	if resp.Header.Get("ETag") == "" {
+		logError(testName, function, args, startTime, "", "Got empty ETag", err)
+		return
+	}
+	resp.Body.Close()
+
+	// Generate presigned GET object url.
+	function = "PresignedGetObject(bucketName, objectName, expires, reqParams)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName,
+		"expires":    3600 * time.Second,
+	}
+	presignedGetURL, err := c.PresignedGetObject(context.Background(), bucketName, objectName, 3600*time.Second, nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject failed", err)
+		return
+	}
+
+	// Verify if presigned url works.
+	req, err = http.NewRequest(http.MethodGet, presignedGetURL.String(), nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject request incorrect", err)
+		return
+	}
+
+	resp, err = httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		logError(testName, function, args, startTime, "", "PresignedGetObject URL returns status "+string(resp.StatusCode), err)
+		return
+	}
+	newPresignedBytes, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+	resp.Body.Close()
+	if !bytes.Equal(newPresignedBytes, buf) {
+		logError(testName, function, args, startTime, "", "Bytes mismatch", err)
+		return
+	}
+
+	// Set request parameters.
+	reqParams := make(url.Values)
+	reqParams.Set("response-content-disposition", "attachment; filename=\"test.txt\"")
+	// Generate presigned GET object url.
+	args["reqParams"] = reqParams
+	presignedGetURL, err = c.PresignedGetObject(context.Background(), bucketName, objectName, 3600*time.Second, reqParams)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject failed", err)
+		return
+	}
+
+	// Verify if presigned url works.
+	req, err = http.NewRequest(http.MethodGet, presignedGetURL.String(), nil)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject request incorrect", err)
+		return
+	}
+
+	resp, err = httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedGetObject response incorrect", err)
+		return
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		logError(testName, function, args, startTime, "", "PresignedGetObject URL returns status "+string(resp.StatusCode), err)
+		return
+	}
+	newPresignedBytes, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+	if !bytes.Equal(newPresignedBytes, buf) {
+		logError(testName, function, args, startTime, "", "Bytes mismatch", err)
+		return
+	}
+	// Verify content disposition.
+	if resp.Header.Get("Content-Disposition") != "attachment; filename=\"test.txt\"" {
+		logError(testName, function, args, startTime, "", "wrong Content-Disposition received ", err)
+		return
+	}
+
+	function = "PresignedPutObject(bucketName, objectName, expires)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName + "-presigned",
+		"expires":    3600 * time.Second,
+	}
+	presignedPutURL, err := c.PresignedPutObject(context.Background(), bucketName, objectName+"-presigned", 3600*time.Second)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PresignedPutObject failed", err)
+		return
+	}
+
+	// Generate data more than 32K
+	buf = bytes.Repeat([]byte("1"), rand.Intn(1<<10)+32*1024)
+
+	req, err = http.NewRequest(http.MethodPut, presignedPutURL.String(), bytes.NewReader(buf))
+	if err != nil {
+		logError(testName, function, args, startTime, "", "HTTP request to PresignedPutObject URL failed", err)
+		return
+	}
+
+	resp, err = httpClient.Do(req)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "HTTP request to PresignedPutObject URL failed", err)
+		return
+	}
+
+	function = "GetObject(bucketName, objectName)"
+	functionAll += ", " + function
+	args = map[string]interface{}{
+		"bucketName": bucketName,
+		"objectName": objectName + "-presigned",
+	}
+	newReader, err = c.GetObject(context.Background(), bucketName, objectName+"-presigned", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	newReadBytes, err = ioutil.ReadAll(newReader)
+	if err != nil {
+		logError(testName, function, args, startTime, "", "ReadAll failed", err)
+		return
+	}
+	newReader.Close()
+
+	if !bytes.Equal(newReadBytes, buf) {
+		logError(testName, function, args, startTime, "", "Bytes mismatch", err)
+		return
+	}
+
+	os.Remove(fileName)
+	os.Remove(fileName + "-f")
+	successLogger(testName, functionAll, args, startTime).Info()
+}
+
+// Test get object with GetObject with context
+func testGetObjectContext() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(ctx, bucketName, objectName)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v4 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	cancel()
+
+	r, err := c.GetObject(ctx, bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed unexpectedly", err)
+		return
+	}
+
+	if _, err = r.Stat(); err == nil {
+		logError(testName, function, args, startTime, "", "GetObject should fail on short timeout", err)
+		return
+	}
+	r.Close()
+
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	args["ctx"] = ctx
+	defer cancel()
+
+	// Read the data back
+	r, err = c.GetObject(ctx, bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "object Stat call failed", err)
+		return
+	}
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match: want "+string(bufSize)+", got"+string(st.Size), err)
+		return
+	}
+	if err := r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", "object Close() call failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Test get object with FGetObject with a user provided context
+func testFGetObjectContext() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FGetObject(ctx, bucketName, objectName, fileName)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v4 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-1-MB"]
+	var reader = getDataReader("datafile-1-MB")
+	defer reader.Close()
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	defer cancel()
+
+	fileName := "tempfile-context"
+	args["fileName"] = fileName
+	// Read the data back
+	err = c.FGetObject(ctx, bucketName, objectName, fileName+"-f", minio.GetObjectOptions{})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "FGetObject should fail on short timeout", err)
+		return
+	}
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	defer cancel()
+
+	// Read the data back
+	err = c.FGetObject(ctx, bucketName, objectName, fileName+"-fcontext", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FGetObject with long timeout failed", err)
+		return
+	}
+	if err = os.Remove(fileName + "-fcontext"); err != nil {
+		logError(testName, function, args, startTime, "", "Remove file failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Test get object with GetObject with a user provided context
+func testGetObjectRanges() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(ctx, bucketName, objectName, fileName)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
+	defer cancel()
+
+	rng := rand.NewSource(time.Now().UnixNano())
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v4 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rng, "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+	// Save the data
+	objectName := randString(60, rng, "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	// Read the data back
+	tests := []struct {
+		start int64
+		end   int64
+	}{
+		{
+			start: 1024,
+			end:   1024 + 1<<20,
+		},
+		{
+			start: 20e6,
+			end:   20e6 + 10000,
+		},
+		{
+			start: 40e6,
+			end:   40e6 + 10000,
+		},
+		{
+			start: 60e6,
+			end:   60e6 + 10000,
+		},
+		{
+			start: 80e6,
+			end:   80e6 + 10000,
+		},
+		{
+			start: 120e6,
+			end:   int64(bufSize),
+		},
+	}
+	for _, test := range tests {
+		wantRC := getDataReader("datafile-129-MB")
+		io.CopyN(ioutil.Discard, wantRC, test.start)
+		want := mustCrcReader(io.LimitReader(wantRC, test.end-test.start+1))
+		opts := minio.GetObjectOptions{}
+		opts.SetRange(test.start, test.end)
+		args["opts"] = fmt.Sprintf("%+v", test)
+		obj, err := c.GetObject(ctx, bucketName, objectName, opts)
+		if err != nil {
+			logError(testName, function, args, startTime, "", "FGetObject with long timeout failed", err)
+			return
+		}
+		err = crcMatches(obj, want)
+		if err != nil {
+			logError(testName, function, args, startTime, "", fmt.Sprintf("GetObject offset %d -> %d", test.start, test.end), err)
+			return
+		}
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test get object ACLs with GetObjectACL with custom provided context
+func testGetObjectACLContext() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObjectACL(ctx, bucketName, objectName)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// skipping region functional tests for non s3 runs
+	if os.Getenv(serverEndpoint) != "s3.amazonaws.com" {
+		ignoredLog(testName, function, args, startTime, "Skipped region functional tests for non s3 runs").Info()
+		return
+	}
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v4 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-1-MB"]
+	var reader = getDataReader("datafile-1-MB")
+	defer reader.Close()
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// Add meta data to add a canned acl
+	metaData := map[string]string{
+		"X-Amz-Acl": "public-read-write",
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName,
+		objectName, reader, int64(bufSize),
+		minio.PutObjectOptions{
+			ContentType:  "binary/octet-stream",
+			UserMetadata: metaData,
+		})
+
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	args["ctx"] = ctx
+	defer cancel()
+
+	// Read the data back
+	objectInfo, getObjectACLErr := c.GetObjectACL(ctx, bucketName, objectName)
+	if getObjectACLErr != nil {
+		logError(testName, function, args, startTime, "", "GetObjectACL failed. ", getObjectACLErr)
+		return
+	}
+
+	s, ok := objectInfo.Metadata["X-Amz-Acl"]
+	if !ok {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail unable to find \"X-Amz-Acl\"", nil)
+		return
+	}
+
+	if len(s) != 1 {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail \"X-Amz-Acl\" canned acl expected \"1\" got "+fmt.Sprintf(`"%d"`, len(s)), nil)
+		return
+	}
+
+	if s[0] != "public-read-write" {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail \"X-Amz-Acl\" expected \"public-read-write\" but got"+fmt.Sprintf("%q", s[0]), nil)
+		return
+	}
+
+	bufSize = dataFileMap["datafile-1-MB"]
+	var reader2 = getDataReader("datafile-1-MB")
+	defer reader2.Close()
+	// Save the data
+	objectName = randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// Add meta data to add a canned acl
+	metaData = map[string]string{
+		"X-Amz-Grant-Read":  "id=fooread@minio.go",
+		"X-Amz-Grant-Write": "id=foowrite@minio.go",
+	}
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader2, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream", UserMetadata: metaData})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject failed", err)
+		return
+	}
+
+	ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	args["ctx"] = ctx
+	defer cancel()
+
+	// Read the data back
+	objectInfo, getObjectACLErr = c.GetObjectACL(ctx, bucketName, objectName)
+	if getObjectACLErr == nil {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail", getObjectACLErr)
+		return
+	}
+
+	if len(objectInfo.Metadata) != 3 {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail expected \"3\" ACLs but got "+fmt.Sprintf(`"%d"`, len(objectInfo.Metadata)), nil)
+		return
+	}
+
+	s, ok = objectInfo.Metadata["X-Amz-Grant-Read"]
+	if !ok {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail unable to find \"X-Amz-Grant-Read\"", nil)
+		return
+	}
+
+	if len(s) != 1 {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail \"X-Amz-Grant-Read\" acl expected \"1\" got "+fmt.Sprintf(`"%d"`, len(s)), nil)
+		return
+	}
+
+	if s[0] != "fooread@minio.go" {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail \"X-Amz-Grant-Read\" acl expected \"fooread@minio.go\" got "+fmt.Sprintf("%q", s), nil)
+		return
+	}
+
+	s, ok = objectInfo.Metadata["X-Amz-Grant-Write"]
+	if !ok {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail unable to find \"X-Amz-Grant-Write\"", nil)
+		return
+	}
+
+	if len(s) != 1 {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail \"X-Amz-Grant-Write\" acl expected \"1\" got "+fmt.Sprintf(`"%d"`, len(s)), nil)
+		return
+	}
+
+	if s[0] != "foowrite@minio.go" {
+		logError(testName, function, args, startTime, "", "GetObjectACL fail \"X-Amz-Grant-Write\" acl expected \"foowrite@minio.go\" got "+fmt.Sprintf("%q", s), nil)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test validates putObject with context to see if request cancellation is honored for V2.
+func testPutObjectContextV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "PutObject(ctx, bucketName, objectName, reader, size, opts)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+		"size":       "",
+		"opts":       "",
+	}
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Make a new bucket.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+	defer cleanupBucket(bucketName, c)
+	bufSize := dataFileMap["datatfile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+
+	objectName := fmt.Sprintf("test-file-%v", rand.Uint32())
+	args["objectName"] = objectName
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	args["ctx"] = ctx
+	args["size"] = bufSize
+	defer cancel()
+
+	_, err = c.PutObject(ctx, bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject with short timeout failed", err)
+		return
+	}
+
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	args["ctx"] = ctx
+
+	defer cancel()
+	reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+	_, err = c.PutObject(ctx, bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject with long timeout failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Test get object with GetObject with custom context
+func testGetObjectContextV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "GetObject(ctx, bucketName, objectName)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datafile-33-kB"]
+	var reader = getDataReader("datafile-33-kB")
+	defer reader.Close()
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	cancel()
+
+	r, err := c.GetObject(ctx, bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject failed unexpectedly", err)
+		return
+	}
+	if _, err = r.Stat(); err == nil {
+		logError(testName, function, args, startTime, "", "GetObject should fail on short timeout", err)
+		return
+	}
+	r.Close()
+
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	defer cancel()
+
+	// Read the data back
+	r, err = c.GetObject(ctx, bucketName, objectName, minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "GetObject shouldn't fail on longer timeout", err)
+		return
+	}
+
+	st, err := r.Stat()
+	if err != nil {
+		logError(testName, function, args, startTime, "", "object Stat call failed", err)
+		return
+	}
+	if st.Size != int64(bufSize) {
+		logError(testName, function, args, startTime, "", "Number of bytes in stat does not match, expected "+string(bufSize)+" got "+string(st.Size), err)
+		return
+	}
+	if err := r.Close(); err != nil {
+		logError(testName, function, args, startTime, "", " object Close() call failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Test get object with FGetObject with custom context
+func testFGetObjectContextV2() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "FGetObject(ctx, bucketName, objectName,fileName)"
+	args := map[string]interface{}{
+		"ctx":        "",
+		"bucketName": "",
+		"objectName": "",
+		"fileName":   "",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV2(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v2 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket call failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	bufSize := dataFileMap["datatfile-1-MB"]
+	var reader = getDataReader("datafile-1-MB")
+	defer reader.Close()
+	// Save the data
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	_, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{ContentType: "binary/octet-stream"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "PutObject call failed", err)
+		return
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Nanosecond)
+	args["ctx"] = ctx
+	defer cancel()
+
+	fileName := "tempfile-context"
+	args["fileName"] = fileName
+
+	// Read the data back
+	err = c.FGetObject(ctx, bucketName, objectName, fileName+"-f", minio.GetObjectOptions{})
+	if err == nil {
+		logError(testName, function, args, startTime, "", "FGetObject should fail on short timeout", err)
+		return
+	}
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	defer cancel()
+
+	// Read the data back
+	err = c.FGetObject(ctx, bucketName, objectName, fileName+"-fcontext", minio.GetObjectOptions{})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "FGetObject call shouldn't fail on long timeout", err)
+		return
+	}
+
+	if err = os.Remove(fileName + "-fcontext"); err != nil {
+		logError(testName, function, args, startTime, "", "Remove file failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+
+}
+
+// Test list object v1 and V2
+func testListObjects() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "ListObjects(bucketName, objectPrefix, recursive, doneCh)"
+	args := map[string]interface{}{
+		"bucketName":   "",
+		"objectPrefix": "",
+		"recursive":    "true",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v4 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1"})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	defer cleanupBucket(bucketName, c)
+
+	testObjects := []struct {
+		name         string
+		storageClass string
+	}{
+		// Special characters
+		{"foo bar", "STANDARD"},
+		{"foo-%", "STANDARD"},
+		{"random-object-1", "STANDARD"},
+		{"random-object-2", "REDUCED_REDUNDANCY"},
+	}
+
+	for i, object := range testObjects {
+		bufSize := dataFileMap["datafile-33-kB"]
+		var reader = getDataReader("datafile-33-kB")
+		defer reader.Close()
+		_, err = c.PutObject(context.Background(), bucketName, object.name, reader, int64(bufSize),
+			minio.PutObjectOptions{ContentType: "binary/octet-stream", StorageClass: object.storageClass})
+		if err != nil {
+			logError(testName, function, args, startTime, "", fmt.Sprintf("PutObject %d call failed", i+1), err)
+			return
+		}
+	}
+
+	testList := func(listFn func(context.Context, string, minio.ListObjectsOptions) <-chan minio.ObjectInfo, bucket string, opts minio.ListObjectsOptions) {
+		var objCursor int
+
+		// check for object name and storage-class from listing object result
+		for objInfo := range listFn(context.Background(), bucket, opts) {
+			if objInfo.Err != nil {
+				logError(testName, function, args, startTime, "", "ListObjects failed unexpectedly", err)
+				return
+			}
+			if objInfo.Key != testObjects[objCursor].name {
+				logError(testName, function, args, startTime, "", "ListObjects does not return expected object name", err)
+				return
+			}
+			if objInfo.StorageClass != testObjects[objCursor].storageClass {
+				// Ignored as Gateways (Azure/GCS etc) wont return storage class
+				ignoredLog(testName, function, args, startTime, "ListObjects doesn't return expected storage class").Info()
+			}
+			objCursor++
+		}
+
+		if objCursor != len(testObjects) {
+			logError(testName, function, args, startTime, "", "ListObjects returned unexpected number of items", errors.New(""))
+			return
+		}
+	}
+
+	testList(c.ListObjects, bucketName, minio.ListObjectsOptions{Recursive: true, UseV1: true})
+	testList(c.ListObjects, bucketName, minio.ListObjectsOptions{Recursive: true})
+	testList(c.ListObjects, bucketName, minio.ListObjectsOptions{Recursive: true, WithMetadata: true})
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Test deleting multiple objects with object retention set in Governance mode
+func testRemoveObjects() {
+	// initialize logging params
+	startTime := time.Now()
+	testName := getFuncName()
+	function := "RemoveObjects(bucketName, objectsCh, opts)"
+	args := map[string]interface{}{
+		"bucketName":   "",
+		"objectPrefix": "",
+		"recursive":    "true",
+	}
+	// Seed random based on current time.
+	rand.Seed(time.Now().Unix())
+
+	// Instantiate new minio client object.
+	c, err := minio.New(os.Getenv(serverEndpoint),
+		&minio.Options{
+			Creds:  credentials.NewStaticV4(os.Getenv(accessKey), os.Getenv(secretKey), ""),
+			Secure: mustParseBool(os.Getenv(enableHTTPS)),
+		})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MinIO client v4 object creation failed", err)
+		return
+	}
+
+	// Enable tracing, write to stderr.
+	// c.TraceOn(os.Stderr)
+
+	// Set user agent.
+	c.SetAppInfo("MinIO-go-FunctionalTest", "0.1.0")
+
+	// Generate a new random bucket name.
+	bucketName := randString(60, rand.NewSource(time.Now().UnixNano()), "minio-go-test-")
+	args["bucketName"] = bucketName
+	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
+	args["objectName"] = objectName
+
+	// Make a new bucket.
+	err = c.MakeBucket(context.Background(), bucketName, minio.MakeBucketOptions{Region: "us-east-1", ObjectLocking: true})
+	if err != nil {
+		logError(testName, function, args, startTime, "", "MakeBucket failed", err)
+		return
+	}
+
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
+	defer reader.Close()
+
+	n, err := c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{})
+	if err != nil {
+		log.Fatalln(err)
+	}
+	log.Println("Uploaded", objectName, " of size: ", n, "to bucket: ", bucketName, "Successfully.")
+
+	// Replace with smaller...
+	bufSize = dataFileMap["datafile-10-kB"]
+	reader = getDataReader("datafile-10-kB")
+	defer reader.Close()
+
+	n, err = c.PutObject(context.Background(), bucketName, objectName, reader, int64(bufSize), minio.PutObjectOptions{})
+	if err != nil {
+		log.Fatalln(err)
+	}
+	log.Println("Uploaded", objectName, " of size: ", n, "to bucket: ", bucketName, "Successfully.")
+
+	t := time.Date(2030, time.April, 25, 14, 0, 0, 0, time.UTC)
+	m := minio.RetentionMode(minio.Governance)
+	opts := minio.PutObjectRetentionOptions{
+		GovernanceBypass: false,
+		RetainUntilDate:  &t,
+		Mode:             &m,
+	}
+	err = c.PutObjectRetention(context.Background(), bucketName, objectName, opts)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	objectsCh := make(chan minio.ObjectInfo)
+	// Send object names that are needed to be removed to objectsCh
+	go func() {
+		defer close(objectsCh)
+		// List all objects from a bucket-name with a matching prefix.
+		for object := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{UseV1: true, Recursive: true}) {
+			if object.Err != nil {
+				log.Fatalln(object.Err)
+			}
+			objectsCh <- object
+		}
+	}()
+
+	for rErr := range c.RemoveObjects(context.Background(), bucketName, objectsCh, minio.RemoveObjectsOptions{}) {
+		// Error is expected here because Retention is set on the object
+		// and RemoveObjects is called without Bypass Governance
+		if rErr.Err == nil {
+			logError(testName, function, args, startTime, "", "Expected error during deletion", nil)
+			return
+		}
+	}
+
+	objectsCh1 := make(chan minio.ObjectInfo)
+
+	// Send object names that are needed to be removed to objectsCh
+	go func() {
+		defer close(objectsCh1)
+		// List all objects from a bucket-name with a matching prefix.
+		for object := range c.ListObjects(context.Background(), bucketName, minio.ListObjectsOptions{UseV1: true, Recursive: true}) {
+			if object.Err != nil {
+				log.Fatalln(object.Err)
+			}
+			objectsCh1 <- object
+		}
+	}()
+
+	opts1 := minio.RemoveObjectsOptions{
+		GovernanceBypass: true,
+	}
+
+	for rErr := range c.RemoveObjects(context.Background(), bucketName, objectsCh1, opts1) {
+		// Error is not expected here because Retention is set on the object
+		// and RemoveObjects is called with Bypass Governance
+		logError(testName, function, args, startTime, "", "Error detected during deletion", rErr.Err)
+		return
+	}
+
+	// Delete all objects and buckets
+	if err = cleanupVersionedBucket(bucketName, c); err != nil {
+		logError(testName, function, args, startTime, "", "CleanupBucket failed", err)
+		return
+	}
+
+	successLogger(testName, function, args, startTime).Info()
+}
+
+// Convert string to bool and always return false if any error
+func mustParseBool(str string) bool {
+	b, err := strconv.ParseBool(str)
+	if err != nil {
+		return false
+	}
+	return b
+}
+
+func main() {
+	// Output to stdout instead of the default stderr
+	log.SetOutput(os.Stdout)
+	// create custom formatter
+	mintFormatter := mintJSONFormatter{}
+	// set custom formatter
+	log.SetFormatter(&mintFormatter)
+	// log Info or above -- success cases are Info level, failures are Fatal level
+	log.SetLevel(log.InfoLevel)
+
+	tls := mustParseBool(os.Getenv(enableHTTPS))
+	kms := mustParseBool(os.Getenv(enableKMS))
+	if os.Getenv(enableKMS) == "" {
+		// Default to KMS tests.
+		kms = true
+	}
+	// execute tests
+	if isFullMode() {
+		testMakeBucketErrorV2()
+		testGetObjectClosedTwiceV2()
+		testFPutObjectV2()
+		testMakeBucketRegionsV2()
+		testGetObjectReadSeekFunctionalV2()
+		testGetObjectReadAtFunctionalV2()
+		testGetObjectRanges()
+		testCopyObjectV2()
+		testFunctionalV2()
+		testComposeObjectErrorCasesV2()
+		testCompose10KSourcesV2()
+		testUserMetadataCopyingV2()
+		testPutObject0ByteV2()
+		testPutObjectNoLengthV2()
+		testPutObjectsUnknownV2()
+		testGetObjectContextV2()
+		testFPutObjectContextV2()
+		testFGetObjectContextV2()
+		testPutObjectContextV2()
+		testMakeBucketError()
+		testMakeBucketRegions()
+		testPutObjectWithMetadata()
+		testPutObjectReadAt()
+		testPutObjectStreaming()
+		testGetObjectSeekEnd()
+		testGetObjectClosedTwice()
+		testRemoveMultipleObjects()
+		testFPutObjectMultipart()
+		testFPutObject()
+		testGetObjectReadSeekFunctional()
+		testGetObjectReadAtFunctional()
+		testGetObjectReadAtWhenEOFWasReached()
+		testPresignedPostPolicy()
+		testCopyObject()
+		testComposeObjectErrorCases()
+		testCompose10KSources()
+		testUserMetadataCopying()
+		testBucketNotification()
+		testFunctional()
+		testGetObjectModified()
+		testPutObjectUploadSeekedObject()
+		testGetObjectContext()
+		testFPutObjectContext()
+		testFGetObjectContext()
+		testGetObjectACLContext()
+		testPutObjectContext()
+		testStorageClassMetadataPutObject()
+		testStorageClassInvalidMetadataPutObject()
+		testStorageClassMetadataCopyObject()
+		testPutObjectWithContentLanguage()
+		testListObjects()
+		testRemoveObjects()
+		testListObjectVersions()
+		testStatObjectWithVersioning()
+		testGetObjectWithVersioning()
+		testCopyObjectWithVersioning()
+		testComposeObjectWithVersioning()
+		testRemoveObjectWithVersioning()
+		testRemoveObjectsWithVersioning()
+		testObjectTaggingWithVersioning()
+
+		// SSE-C tests will only work over TLS connection.
+		if tls {
+			testSSECEncryptionPutGet()
+			testSSECEncryptionFPut()
+			testSSECEncryptedGetObjectReadAtFunctional()
+			testSSECEncryptedGetObjectReadSeekFunctional()
+			testEncryptedCopyObjectV2()
+			testEncryptedSSECToSSECCopyObject()
+			testEncryptedSSECToUnencryptedCopyObject()
+			testUnencryptedToSSECCopyObject()
+			testUnencryptedToUnencryptedCopyObject()
+			testEncryptedEmptyObject()
+			testDecryptedCopyObject()
+			testSSECEncryptedToSSECCopyObjectPart()
+			testSSECMultipartEncryptedToSSECCopyObjectPart()
+			testSSECEncryptedToUnencryptedCopyPart()
+			testUnencryptedToSSECCopyObjectPart()
+			testUnencryptedToUnencryptedCopyPart()
+			testEncryptedSSECToSSES3CopyObject()
+			testEncryptedSSES3ToSSECCopyObject()
+			testSSECEncryptedToSSES3CopyObjectPart()
+			testSSES3EncryptedToSSECCopyObjectPart()
+		}
+
+		// KMS tests
+		if kms {
+			testSSES3EncryptionPutGet()
+			testSSES3EncryptionFPut()
+			testSSES3EncryptedGetObjectReadAtFunctional()
+			testSSES3EncryptedGetObjectReadSeekFunctional()
+			testEncryptedSSES3ToSSES3CopyObject()
+			testEncryptedSSES3ToUnencryptedCopyObject()
+			testUnencryptedToSSES3CopyObject()
+			testUnencryptedToSSES3CopyObjectPart()
+			testSSES3EncryptedToUnencryptedCopyPart()
+			testSSES3EncryptedToSSES3CopyObjectPart()
+		}
+	} else {
+		testFunctional()
+		testFunctionalV2()
+	}
+}