@Test
public void testJAXBMarshallingWithMap() throws WebApplicationException, IOException {
assertTrue(jaxbProviderWriter.isWriteable(AddNumbers.class, null, null, MediaType.TEXT_XML_TYPE));
ByteArrayOutputStream baos = new ByteArrayOutputStream();
MultivaluedMap map = new CaseInsensitiveMultivaluedMap<Object>();
jaxbProviderWriter.writeTo(new AddNumbers(), AddNumbers.class, null, null, MediaType.TEXT_XML_TYPE, map, baos);
assertEquals(expectedXml, baos.toString());
}