TestSuite suite = suiteForString(factory, new String(bytes, UTF_8), name, desc);
    ByteSourceFactory byteSourceFactory = SourceSinkFactories.asByteSourceFactory(factory);
    suite.addTest(
        ByteSourceTester.suiteForBytes(
            byteSourceFactory, bytes, name + ".asByteSource[Charset]", desc, slice));
    return suite;
  }

    String initialString = IoTestCase.ASCII + IoTestCase.I18N;
    return new PathCharSinkFactory(initialString);
  }

  public static ByteSourceFactory asByteSourceFactory(CharSourceFactory factory) {
    checkNotNull(factory);
    return new ByteSourceFactory() {
      @Override
      public ByteSource createSource(byte[] data) throws IOException {