{bucketNames[0], objectNames[0], uploadIDs[0], 0, 10, partInfos[0], nil, true},
		// Test case with maxParts set to less than number of parts (Test number 13).
		{bucketNames[0], objectNames[0], uploadIDs[0], 0, 3, partInfos[1], nil, true},
		// Test case with partNumberMarker set (Test number 14).
		{bucketNames[0], objectNames[0], uploadIDs[0], 0, 2, partInfos[2], nil, true},
		// Test case with partNumberMarker set (Test number 15).

	}

	// Return success.
	return PartInfo{
		PartNumber:        partInfo.Number,
		ETag:              partInfo.ETag,
		LastModified:      partInfo.ModTime,
		Size:              partInfo.Size,
		ActualSize:        partInfo.ActualSize,
		ChecksumCRC32:     partInfo.Checksums["CRC32"],
		ChecksumCRC32C:    partInfo.Checksums["CRC32C"],
		ChecksumSHA1:      partInfo.Checksums["SHA1"],

			}
			md5hex := getMD5Hash(textPartData)
			var partInfo PartInfo
			partInfo, err = obj.PutObjectPart(b.Context(), bucket, object, res.UploadID, j,
				mustGetPutObjReader(b, bytes.NewReader(textPartData), int64(len(textPartData)), md5hex, sha256hex), ObjectOptions{})
			if err != nil {
				b.Fatal(err)
			}
			if partInfo.ETag != md5hex {

		popts := minio.PutObjectPartOptions{
			SSE: dstOpts.ServerSideEncryption,
		}

		partInfo, err := core.PutObjectPart(ctx, dstBucket, dstObject, uploadID, partID, gr, length, popts)
		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}

		response := generateCopyObjectPartResponse(partInfo.ETag, partInfo.LastModified)
		encodedSuccessResponse := encodeResponse(response)

	partInfo := ObjectPartInfo{
		Number:     partNumber,
		ETag:       partETag,
		Size:       partSize,
		ActualSize: actualSize,
		ModTime:    modTime,
		Index:      idx,
		Checksums:  checksums,
	}

	// Update part info if it already exists.
	for i, part := range fi.Parts {
		if partNumber == part.Number {
			fi.Parts[i] = partInfo
			return
		}
	}

	NextContinuationToken string

	// List of objects info for this request.
	Objects []ObjectInfo

	// List of prefixes for this request.
	Prefixes []string
}

// PartInfo - represents individual part metadata.
type PartInfo struct {
	// Part number that identifies the part. This is a positive integer between
	// 1 and 10,000.
	PartNumber int

	// Date and time at which the part was uploaded.

}

// AddTestObjectPart - add a new object part in order.
func (m *xlMetaV1Object) AddTestObjectPart(partNumber int, partSize int64) {
	partInfo := ObjectPartInfo{
		Number: partNumber,
		Size:   partSize,
	}

	// Proceed to include new part info.
	m.Parts[partNumber-1] = partInfo
}

// Constructs xlMetaV1Object{} for given number of parts and converts it into bytes.
func getXLMetaBytes(totalParts int) []byte {

		startOffset int64, length int64, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (info PartInfo, err error)
	PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data *PutObjReader, opts ObjectOptions) (info PartInfo, err error)
	GetMultipartInfo(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) (info MultipartInfo, err error)

	)

	var objectSize int64
	for _, partInfo := range objInfo.Parts {
		if isSSEC {
			hr, err = hash.NewReader(ctx, io.LimitReader(r, partInfo.Size), partInfo.Size, "", "", partInfo.ActualSize)
		} else {
			hr, err = hash.NewReader(ctx, io.LimitReader(r, partInfo.ActualSize), partInfo.ActualSize, "", "", partInfo.ActualSize)
		}
		if err != nil {
			return err
		}

	if err := checkPutObjectPartArgs(ctx, bucket, object, uploadID); err != nil {
		return PartInfo{}, err
	}

	if z.SinglePool() {
		_, err := z.getPoolIdx(ctx, bucket, object, data.Size())
		if err != nil {
			return PartInfo{}, err
		}