@Override
  public void write( int b ) throws IOException {
    delegate.write( b );
  }
@Test
  public void testWrite() throws IOException {
    CompressionProvider provider = outStream.getCompressionProvider();
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    outStream = new DummyCompressionOS( out, provider );
    outStream.write( "Test".getBytes() );
  }