ByteSourceFactory factory, String string, String name, String desc) {
    TestSuite suite = suiteForBytes(factory, string.getBytes(UTF_8), name, desc, true);
    CharSourceFactory charSourceFactory = SourceSinkFactories.asCharSourceFactory(factory);
    suite.addTest(
        CharSourceTester.suiteForString(
            charSourceFactory, string, name + ".asCharSource[Charset]", desc));
    return suite;
  }

  static TestSuite suiteForBytes(

      }

      @Override
      public void tearDown() throws IOException {
        factory.tearDown();
      }
    };
  }

  public static CharSourceFactory asCharSourceFactory(final ByteSourceFactory factory) {
    checkNotNull(factory);
    return new CharSourceFactory() {
      @Override
      public CharSource createSource(String string) throws IOException {

      }

      @Override
      public void tearDown() throws IOException {
        factory.tearDown();
      }
    };
  }

  public static CharSourceFactory asCharSourceFactory(final ByteSourceFactory factory) {
    checkNotNull(factory);
    return new CharSourceFactory() {
      @Override
      public CharSource createSource(String string) throws IOException {