mv = adapter.handle(request, new MockHttpServletResponse(), chain.getHandler());
assertNotNull(mv.getView());
assertEquals(RedirectView.class, mv.getView().getClass());
RedirectView redirectView = (RedirectView) mv.getView();
MockHttpServletResponse response = new MockHttpServletResponse();
redirectView.render(Collections.emptyMap(), request, response);
assertEquals("/new?a=b", response.getRedirectedUrl());
assertEquals(308, response.getStatus());
request = new MockHttpServletRequest("GET", "/bad");
chain = mapping2.getHandler(request);