public void testGetUnrenderedNodes() {
NameSpaceSymbTable ns = new NameSpaceSymbTable();
ns.push();
List<Attr> l = new ArrayList<Attr>();
ns.addMapping("xmlns", "http://a", node1);
ns.push();
ns.getUnrenderedNodes(l);
assertTrue(l.contains(node1));
Attr n = (Attr)ns.addMappingAndRender("xmlns", "", node2);
assertNotNull("xmlns=\"\" not rendered", n);
assertEquals(n, node2);