for j, actualMetaData := range actualResult.Parts {
					//  Asserting the PartNumber in the PartInfo.
					if actualMetaData.PartNumber != expectedResult.Parts[j].PartNumber {
						t.Errorf("Test %d: %s: Part %d: Expected PartNumber to be \"%d\", but instead found \"%d\"", i+1, instanceType, j+1, expectedResult.Parts[j].PartNumber, actualMetaData.PartNumber)
					}
					//  Asserting the Size in the PartInfo.

		if err1 != nil {
			t.Fatalf("Failed to upload a part - %v", err1)
		}
		uploadedParts = append(uploadedParts, CompletePart{
			PartNumber: pInfo.PartNumber,
			ETag:       pInfo.ETag,
		})
	}

	_, err = objLayer.CompleteMultipartUpload(ctx, bucket, object, res.UploadID, uploadedParts, ObjectOptions{})
	if err != nil {

func getPutObjectPartURL(endPoint, bucketName, objectName, uploadID, partNumber string) string {
	queryValues := url.Values{}
	queryValues.Set("uploadId", uploadID)
	queryValues.Set("partNumber", partNumber)
	return makeTestTargetURL(endPoint, bucketName, objectName, queryValues)
}

func getCopyObjectPartURL(endPoint, bucketName, objectName, uploadID, partNumber string) string {
	queryValues := url.Values{}

		field, bts, err = msgp.ReadMapKeyZC(bts)
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "PartNumber":
			z.PartNumber, bts, err = msgp.ReadIntBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "PartNumber")
				return
			}
		case "ETag":
			z.ETag, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ETag")

		var partNumber int
		fmt.Sscanf(pathutil.Base(partMetaPath), "part.%d.meta", &partNumber)

		if contextCanceled(ctx) {
			parts[idx] = &ObjectPartInfo{
				Error:  ctx.Err().Error(),
				Number: partNumber,
			}
			continue
		}

		if err := Access(pathJoin(volumeDir, pathutil.Dir(partMetaPath), fmt.Sprintf("part.%d", partNumber))); err != nil {

			return err
		}
		if pInfo.Size != objInfo.Size {
			return fmt.Errorf("Part size mismatch: got %d, want %d", pInfo.Size, objInfo.Size)
		}
		uploadedParts = append(uploadedParts, CompletePart{
			PartNumber: pInfo.PartNumber,
			ETag:       pInfo.ETag,
		})
	}
	_, err = api.CompleteMultipartUpload(ctx, tgtBucket, tgtObject, res.UploadID, uploadedParts, opts)
	return err
}

				continue
			}
			if !metaArr[index].Erasure.Equal(fi.Erasure) {
				continue
			}
			checksumInfo := metaArr[index].Erasure.GetChecksumInfo(partNumber)
			partPath := pathJoin(object, metaArr[index].DataDir, fmt.Sprintf("part.%d", partNumber))
			readers[index] = newBitrotReader(disk, metaArr[index].Data, bucket, partPath, tillOffset,
				checksumInfo.Algorithm, checksumInfo.Hash, erasure.ShardSize())

		Description:    "Argument partNumberMarker must be an integer.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidPartNumber: {
		Code:           "InvalidPartNumber",
		Description:    "The requested partnumber is not satisfiable",
		HTTPStatusCode: http.StatusRequestedRangeNotSatisfiable,
	},
	ErrInvalidPolicyDocument: {
		Code:           "InvalidPolicyDocument",