@Test public void testDecodingWithSmallBuffer() throws Exception {
  String s1="5\r\n01234\r\n5\r\n5678";
  String s2="9\r\n6\r\nabcdef\r\n0\r\n\r\n";
  ReadableByteChannel channel=new ReadableByteChannelMock(new String[]{s1,s2},"US-ASCII");
  HttpParams params=new BasicHttpParams();
  SessionInputBuffer inbuf=new SessionInputBufferImpl(1024,256,params);
  HttpTransportMetricsImpl metrics=new HttpTransportMetricsImpl();
  ChunkDecoder decoder=new ChunkDecoder(channel,inbuf,metrics);
  ByteBuffer dst=ByteBuffer.allocate(1024);
  ByteBuffer tmp=ByteBuffer.allocate(4);
  int bytesRead=0;
  while (dst.hasRemaining() && !decoder.isCompleted()) {
    int i=decoder.read(tmp);
    if (i > 0) {
      bytesRead+=i;
    }
    tmp.flip();
    dst.put(tmp);
    tmp.compact();
  }
  Assert.assertEquals(16,bytesRead);
  Assert.assertEquals("0123456789abcdef",convert(dst));
  Assert.assertTrue(decoder.isCompleted());
  dst.clear();
  bytesRead=decoder.read(dst);
  Assert.assertEquals(-1,bytesRead);
  Assert.assertTrue(decoder.isCompleted());
}
