return new StringSourceFactory();
  }

  public static ByteSourceFactory byteArraySourceFactory() {
    return new ByteArraySourceFactory();
  }

  public static ByteSourceFactory emptyByteSourceFactory() {
    return new EmptyByteSourceFactory();
  }

  public static CharSourceFactory emptyCharSourceFactory() {
    return new EmptyCharSourceFactory();
  }

  public static ByteSourceFactory fileByteSourceFactory() {

              SourceSinkFactories.byteArraySourceFactory(),
              asCharSource));
      suite.addTest(
          ByteSourceTester.tests(
              "ByteSource.empty[]", SourceSinkFactories.emptyByteSourceFactory(), asCharSource));
    }
    suite.addTestSuite(ByteSourceTest.class);
    return suite;
  }

  private static final byte[] bytes = newPreFilledByteArray(10000);

  private TestByteSource source;