assertThat(converters.size(), Matchers.is(3));
assertThat(converters.get(0), Matchers.instanceOf(StringMessageConverter.class));
assertThat(converters.get(1), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(converters.get(2), Matchers.instanceOf(MappingJackson2MessageConverter.class));
ContentTypeResolver resolver = ((MappingJackson2MessageConverter) converters.get(2)).getContentTypeResolver();
assertEquals(MimeTypeUtils.APPLICATION_JSON, ((DefaultContentTypeResolver) resolver).getDefaultMimeType());
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(annotationMethodMessageHandler);
String pathSeparator = (String)new DirectFieldAccessor(handlerAccessor.getPropertyValue("pathMatcher")).getPropertyValue("pathSeparator");
assertEquals(".", pathSeparator);