public void testOnAfterPropertiesSetWithCachingModelSourceEqualToNull()
throws Exception {
interceptor.setCachingModelSource(null);
CachingModel model1 = new MockCachingModel();
CachingModel model2 = new MockCachingModel();
Map cachingModels = new HashMap();
cachingModels.put("java.lang.String.indexO*", model1);
cachingModels.put("java.lang.String.toUpperC*", model2);
interceptor.setCachingModels(cachingModels);