protected void runTest() throws Throwable {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
SAXParser parser = factory.newSAXParser();
SAXSource source = new SAXSource(parser.getXMLReader(),
new InputSource(new StringReader("<root xmlns=''/>")));
OMElement element = OMXMLBuilderFactory.createOMBuilder(metaFactory.getOMFactory(),
source).getDocumentElement();
assertNull(element.getNamespace());
}