public void testCooment() throws Exception {
StringWriter result = new StringWriter();
XMLStreamWriter writer = new SimpleXMLStreamWriter(result, false);
writer.writeStartDocument();
writer.writeStartElement("alice");
writer.writeComment("bob");
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
Assert.assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><alice><!--bob--></alice>", result.toString());
}