* <code><alice><bob>charlie</bob><david>edgar</david></alice></code>
*/
@Test
public void testNested() throws Exception {
StringWriter result = new StringWriter();
XMLStreamWriter writer = new SimpleXMLStreamWriter(result, false);
writer.writeStartDocument();
writer.writeStartElement("alice");
writer.writeStartElement("bob");
writer.writeCharacters("charlie");
writer.writeEndElement();
writer.writeStartElement("david");
writer.writeCharacters("edgar");
writer.writeEndElement();
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
Assert.assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><alice><bob>charlie</bob><david>edgar</david></alice>", result.toString());
}