// still succeed if there are no other errors, and will only persist
  // the last of any duplicate fields. This is the default in v1.23+
  // - Strict: This will fail the request with a BadRequest error if
  // any unknown fields would be dropped from the object, or if any
  // duplicate fields are present. The error returned from the server
  // will contain all unknown and duplicate fields encountered.

		Code:           "InvalidPrefixMarker",
		Description:    "Invalid marker prefix combination",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrBadRequest: {
		Code:           "BadRequest",
		Description:    "400 BadRequest",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrKeyTooLongError: {
		Code:           "KeyTooLongError",
		Description:    "Your key is too long",
		HTTPStatusCode: http.StatusBadRequest,

		apiErr := errorCodes.ToAPIErr(s3Err)
		// If not set, convert or use BadRequest
		if s3Err == ErrNone {
			apiErr = toAPIError(ctx, err)
			if apiErr.Code == "InternalError" {
				// Convert generic internal errors to bad requests.
				apiErr = APIError{
					Code:           "BadRequest",
					Description:    err.Error(),
					HTTPStatusCode: http.StatusBadRequest,
				}
			}

			secretKey:        credentials.SecretKey,

			expectedRespStatus: http.StatusBadRequest,
		},

		// Test case - 7.
		// Test case with object name missing from source.
		// fail with BadRequest.
		{
			bucketName:       bucketName,
			uploadID:         uploadID,
			copySourceHeader: url.QueryEscape("//123"),
			accessKey:        credentials.AccessKey,
			secretKey:        credentials.SecretKey,