* truncated before writing. When the {@link FileWriteMode#APPEND APPEND} mode is provided, writes
   * will append to the end of the file without truncating it.
   *
   * @since 14.0
   */
  public static ByteSink asByteSink(File file, FileWriteMode... modes) {
    return new FileByteSink(file, modes);
  }

  private static final class FileByteSink extends ByteSink {

    private final File file;

   * StandardOpenOption#TRUNCATE_EXISTING TRUNCATE_EXISTING} and {@link StandardOpenOption#WRITE
   * WRITE} options.
   */
  public static ByteSink asByteSink(Path path, OpenOption... options) {
    return new PathByteSink(path, options);
  }

  @IgnoreJRERequirement // *should* be redundant with the one on MoreFiles itself

        try {
          out.write(initialBytes);
        } finally {
          out.close();
        }
        return Files.asByteSink(file, FileWriteMode.APPEND);
      }
      return Files.asByteSink(file);
    }

    @Override
    public byte[] getExpected(byte[] bytes) {
      if (initialBytes == null) {
        return checkNotNull(bytes);
      } else {

    suite.addTest(
        ByteSinkTester.tests(
            "MoreFiles.asByteSink[Path]", SourceSinkFactories.pathByteSinkFactory()));
    suite.addTest(
        ByteSinkTester.tests(
            "MoreFiles.asByteSink[Path, APPEND]",
            SourceSinkFactories.appendingPathByteSinkFactory()));
    suite.addTest(
        CharSourceTester.tests(

            "Files.asByteSource[File]", SourceSinkFactories.fileByteSourceFactory(), true));
    suite.addTest(
        ByteSinkTester.tests("Files.asByteSink[File]", SourceSinkFactories.fileByteSinkFactory()));
    suite.addTest(
        ByteSinkTester.tests(
            "Files.asByteSink[File, APPEND]", SourceSinkFactories.appendingFileByteSinkFactory()));
    suite.addTest(
        CharSourceTester.tests(