checkNotNull(factory);
    return new CharSourceFactory() {
      @Override
      public CharSource createSource(String string) throws IOException {
        return factory.createSource(string.getBytes(UTF_8)).asCharSource(UTF_8);
      }

      @Override
      public String getExpected(String data) {
        return new String(factory.getExpected(data.getBytes(UTF_8)), UTF_8);
      }

      @Override

  public static TestSuite suite() {
    TestSuite suite = new TestSuite();
    for (boolean asCharSource : new boolean[] {false, true}) {
      suite.addTest(
          ByteSourceTester.tests(
              "ByteSource.wrap[byte[]]",
              SourceSinkFactories.byteArraySourceFactory(),
              asCharSource));
      suite.addTest(
          ByteSourceTester.tests(

    checkNotNull(factory);
    return new CharSourceFactory() {
      @Override
      public CharSource createSource(String string) throws IOException {
        return factory.createSource(string.getBytes(UTF_8)).asCharSource(UTF_8);
      }

      @Override
      public String getExpected(String data) {
        return new String(factory.getExpected(data.getBytes(UTF_8)), UTF_8);
      }

      @Override

    AsByteSource(Charset charset) {
      this.charset = checkNotNull(charset);
    }

    @Override
    public CharSource asCharSource(Charset charset) {
      if (charset.equals(this.charset)) {
        return CharSource.this;
      }
      return super.asCharSource(charset);
    }

    @Override
    public InputStream openStream() throws IOException {

   * returned, rather than round-trip encoding. Subclasses that override this method should behave
   * the same way.
   */
  public CharSource asCharSource(Charset charset) {
    return new AsCharSource(charset);
  }

  /**
   * Opens a new {@link InputStream} for reading from this source. This method returns a new,
   * independent stream each time it is called.
   *

  public static TestSuite suite() {
    TestSuite suite = new TestSuite();
    for (boolean asCharSource : new boolean[] {false, true}) {
      suite.addTest(
          ByteSourceTester.tests(
              "ByteSource.wrap[byte[]]",
              SourceSinkFactories.byteArraySourceFactory(),
              asCharSource));
      suite.addTest(
          ByteSourceTester.tests(

   * equivalent to providing the {@link StandardOpenOption#READ READ} option.
   */
  public static CharSource asCharSource(Path path, Charset charset, OpenOption... options) {
    return asByteSource(path, options).asCharSource(charset);
  }

  /**
   * Returns a view of the given {@code path} as a {@link CharSink} using the given {@code charset}.
   *

        // like following/not following symlinks.)
        return new AsCharSource(charset) {
          @SuppressWarnings("FilesLinesLeak") // the user needs to close it in this case
          @Override
          public Stream<String> lines() throws IOException {
            return Files.lines(path, charset);
          }
        };
      }

      return super.asCharSource(charset);
    }

    @Override

        ByteSinkTester.tests(
            "MoreFiles.asByteSink[Path, APPEND]",
            SourceSinkFactories.appendingPathByteSinkFactory()));
    suite.addTest(
        CharSourceTester.tests(
            "MoreFiles.asCharSource[Path, Charset]",
            SourceSinkFactories.pathCharSourceFactory(),
            false));
    suite.addTest(
        CharSinkTester.tests(