if seed != -1 {
		rand.Seed(seed)
	}
	return rand.Intn(max-min) + min
}

// Randomizes the order of bytes in the byte array
// using Knuth Fisher-Yates shuffle algorithm.
func randomizeBytes(s []byte, seed int64) []byte {
	// special value -1 means no explicit seeding.
	if seed != -1 {
		rand.Seed(seed)
	}
	n := len(s)
	var j int
	for i := 0; i < n-1; i++ {
		j = i + rand.Intn(n-i)

	}
	// String content which is used for put object range test.
	putBytes := buffer.Bytes()
	putBytes = putBytes[:randInt]
	// randomize the order of bytes in the byte array and create a reader.
	putBytes = randomizeBytes(putBytes, -1)
	buf := bytes.NewReader(putBytes)
	putContent := string(putBytes)
	objectName := "test-big-file"
	// HTTP request to upload the object.