code: @Test public void testRequestContentEntityContentLengthDelimitedHTTP11() throws Exception {
    HttpContext context=new BasicHttpContext(null);
    BasicHttpEntityEnclosingRequest request=new BasicHttpEntityEnclosingRequest("POST","/");
    String s="whatever";
    StringEntity entity=new StringEntity(s,"US-ASCII");
    request.setEntity(entity);
    RequestContent interceptor=new RequestContent();
    interceptor.process(request,context);
    Header header=request.getFirstHeader(HTTP.CONTENT_LEN);
    Assert.assertNotNull(header);
    Assert.assertEquals(s.length(),Integer.parseInt(header.getValue()));
    Assert.assertNull(request.getFirstHeader(HTTP.TRANSFER_ENCODING));
  }
  