fi, _, err := er.checkUploadIDExists(ctx, bucket, object, uploadID, false)
	if err != nil {
		return result, toObjectErr(err, bucket, object, uploadID)
	}

	uploadIDPath := er.getUploadIDDir(bucket, object, uploadID)

	// Populate the result stub.
	result.Bucket = bucket
	result.Object = object
	result.UploadID = uploadID
	result.MaxParts = maxParts
	result.PartNumberMarker = partNumberMarker

			uploadID:         uploadID,
			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + testObject),
			accessKey:        credentials.AccessKey,
			secretKey:        credentials.SecretKey,

			expectedRespStatus: http.StatusNotFound,
		},

		// Test case - 4.
		// Test case with valid byte range.
		{
			bucketName:       bucketName,
			uploadID:         uploadID,

	}
}

// generates InitiateMultipartUploadResponse for given bucket, key and uploadID.
func generateInitiateMultipartUploadResponse(bucket, key, uploadID string) InitiateMultipartUploadResponse {
	return InitiateMultipartUploadResponse{
		Bucket:   bucket,
		Key:      key,
		UploadID: uploadID,
	}
}

// generates CompleteMultipartUploadResponse for given bucket, key, location and ETag.

		err = BucketNotFound{
			Bucket: bucket,
		}
		return err
	case "storage: object doesn't exist":
		if uploadID != "" {
			err = InvalidUploadID{
				UploadID: uploadID,
			}
		} else {
			err = ObjectNotFound{
				Bucket: bucket,
				Object: object,
			}
		}
		return err
	}

	googleAPIErr, ok := err.(*googleapi.Error)
	if !ok {
		// We don't interpret non MinIO errors. As minio errors will

	UserDefined map[string]string

	// ChecksumAlgorithm if set
	ChecksumAlgorithm string
}

// Lookup - returns if uploadID is valid
func (lm ListMultipartsInfo) Lookup(uploadID string) bool {
	for _, upload := range lm.Uploads {
		if upload.UploadID == uploadID {
			return true
		}
	}
	return false
}

// ListMultipartsInfo - represents bucket resources for incomplete multipart uploads.

			HandlerFunc(s3APIMiddleware(api.CopyObjectPartHandler)).
			Queries("partNumber", "{partNumber:.*}", "uploadId", "{uploadId:.*}")
		// PutObjectPart
		router.Methods(http.MethodPut).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.PutObjectPartHandler, traceHdrsS3HFlag)).
			Queries("partNumber", "{partNumber:.*}", "uploadId", "{uploadId:.*}")
		// ListObjectParts
		router.Methods(http.MethodGet).Path("/{object:.+}").

		Object:   object,
		UploadID: uploadID,
	}
}

func (z *erasureServerPools) GetMultipartInfo(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) (MultipartInfo, error) {
	if err := checkListPartsArgs(ctx, bucket, object, uploadID); err != nil {
		return MultipartInfo{}, err
	}

	if z.SinglePool() {
		return z.serverPools[0].GetMultipartInfo(ctx, bucket, object, uploadID, opts)
	}

	}

	if s3Error := checkRequestAuthType(ctx, r, policy.GetObjectAction, srcBucket, srcObject); s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	uploadID := r.Form.Get(xhttp.UploadID)
	partIDString := r.Form.Get(xhttp.PartNumber)

	partID, err := strconv.Atoi(partIDString)
	if err != nil || partID <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPart), r.URL)

}

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{}

	set := s.getHashedSet(object)
	return set.PutObjectPart(ctx, bucket, object, uploadID, partID, data, opts)
}

// GetMultipartInfo - return multipart metadata info uploaded at hashedSet.