code: /** 
   * Make a post with an empty form data map
   * @throws Exception
   */
  @Test public void postEmptyForm() throws Exception {
    final AtomicReference<String> body=new AtomicReference<String>();
    handler=new RequestHandler(){
      @Override public void handle(    Request request,    HttpServletResponse response){
        body.set(new String(read()));
        response.setStatus(HTTP_OK);
      }
    }
  ;
    int code=post(url).form(new HashMap<String,String>()).code();
    assertEquals(HTTP_OK,code);
    assertEquals("",body.get());
  }
  