code: @Test public void testResponseContentEntityContentTypeAndEncoding() throws Exception {
    HttpContext context=new BasicHttpContext(null);
    HttpResponse response=new BasicHttpResponse(HttpVersion.HTTP_1_1,HttpStatus.SC_OK,"OK");
    BasicHttpEntity entity=new BasicHttpEntity();
    entity.setContentEncoding("whatever");
    entity.setContentType("whatever");
    response.setEntity(entity);
    ResponseContent interceptor=new ResponseContent();
    interceptor.process(response,context);
    Header h1=response.getFirstHeader(HTTP.CONTENT_TYPE);
    Assert.assertNotNull(h1);
    Assert.assertEquals("whatever",h1.getValue());
    Header h2=response.getFirstHeader(HTTP.CONTENT_ENCODING);
    Assert.assertNotNull(h2);
    Assert.assertEquals("whatever",h2.getValue());
  }
  