@Test
 public void testPathMatchingConfiguration() {
   loadBeanDefinitions("mvc-config-path-matching.xml");
   RequestMappingHandlerMapping hm = appContext.getBean(RequestMappingHandlerMapping.class);
   assertNotNull(hm);
   assertTrue(hm.useSuffixPatternMatch());
   assertFalse(hm.useTrailingSlashMatch());
   assertTrue(hm.useRegisteredSuffixPatternMatch());
   assertThat(hm.getUrlPathHelper(), Matchers.instanceOf(TestPathHelper.class));
   assertThat(hm.getPathMatcher(), Matchers.instanceOf(TestPathMatcher.class));
   List<String> fileExtensions = hm.getContentNegotiationManager().getAllFileExtensions();
   assertThat(fileExtensions, Matchers.contains("xml"));
   assertThat(fileExtensions, Matchers.hasSize(1));
 }