assertEquals("xml", jdomWriter.getNamespacePrefix(1));
assertNull("unexpected prefix defined", jdomWriter.getNamespacePrefix(2));
assertNull("unexpected prefix defined", jdomWriter.getNamespacePrefix(3));
jdomWriter.startTagNamespaces(0, "element1", new int[] {2, 3}, new String[] {"myns1", "myns2"});
jdomWriter.closeStartTag();
assertEquals("myns1", jdomWriter.getNamespacePrefix(2));
assertEquals("myns2", jdomWriter.getNamespacePrefix(3));
jdomWriter.startTagNamespaces(0, "element2", new int[] {2}, new String[] {"prefix"});