partID := parts[i].PartNumber
		if part.Error != "" || !part.Exists {
			return oi, InvalidPart{
				PartNumber: partID,
			}
		}

		var pfi FileInfo
		_, err := pfi.UnmarshalMsg(part.Data)
		if err != nil {
			// Maybe crash or similar.
			bugLogIf(ctx, err)
			return oi, InvalidPart{
				PartNumber: partID,
			}
		}

		partI := pfi.Parts[0]

		Code:           "MethodNotAllowed",
		Description:    "The specified method is not allowed against this resource.",
		HTTPStatusCode: http.StatusMethodNotAllowed,
	},
	ErrInvalidPart: {
		Code:           "InvalidPart",
		Description:    "One or more of the specified parts could not be found.  The part may not have been uploaded, or the specified entity tag may not match the part's entity tag.",
		HTTPStatusCode: http.StatusBadRequest,
	},

			parts:     inputParts[0].parts,
			accessKey: credentials.AccessKey,
			secretKey: credentials.SecretKey,

			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
				toAPIError(ctx, InvalidPart{}),
				getGetObjectURL("", bucketName, objectName), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 2.
		// No parts specified in CompletePart{}.