public static CharSinkFactory asCharSinkFactory(final ByteSinkFactory factory) {
    checkNotNull(factory);
    return new CharSinkFactory() {
      @Override
      public CharSink createSink() throws IOException {
        return factory.createSink().asCharSink(Charsets.UTF_8);
      }

      @Override
      public String getSinkContents() throws IOException {
        return new String(factory.getSinkContents(), Charsets.UTF_8);

    super(factory, data, suiteName, caseDesc, method);
  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();

    this.lines = getLines(string);
    this.expectedLines = getLines(expected);
  }

  @Override
  protected void setUp() throws Exception {
    this.sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    Writer writer = sink.openStream();
    try {
      writer.write(data);
    } finally {
      writer.close();
    }

    super(factory, data, suiteName, caseDesc, method);
  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();

    this.lines = getLines(string);
    this.expectedLines = getLines(expected);
  }

  @Override
  protected void setUp() throws Exception {
    this.sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    Writer writer = sink.openStream();
    try {
      writer.write(data);
    } finally {
      writer.close();
    }

      Path fooSymlink = fs.getPath("symlink");
      Files.createSymbolicLink(fooSymlink, fooPath);

      Path fooHardlink = fs.getPath("hardlink");
      Files.createLink(fooHardlink, fooPath);

      assertThat(MoreFiles.equal(fooPath, fooSymlink)).isTrue();
      assertThat(MoreFiles.equal(fooPath, fooHardlink)).isTrue();
      assertThat(MoreFiles.equal(fooSymlink, fooHardlink)).isTrue();