code: @Test public void testAddFirstRequestInterceptor(){
    HttpRequestInterceptor itcp1=new TestHttpRequestInterceptorPlaceHolder();
    HttpRequestInterceptor itcp2=new TestHttpRequestInterceptorPlaceHolder();
    BasicHttpProcessor instance=new BasicHttpProcessor();
    Assert.assertEquals(0,instance.getRequestInterceptorCount());
    instance.addRequestInterceptor(itcp1);
    Assert.assertEquals(1,instance.getRequestInterceptorCount());
    Assert.assertSame(itcp1,instance.getRequestInterceptor(0));
    instance.addRequestInterceptor(itcp2,0);
    Assert.assertEquals(2,instance.getRequestInterceptorCount());
    Assert.assertSame(itcp2,instance.getRequestInterceptor(0));
    Assert.assertSame(itcp1,instance.getRequestInterceptor(1));
  }
  