1<p>Test for a <href="https://bugs.webkit.org/show_bug.cgi?id=30992">bug 30992</a>: Node.isDefaultNamespace doesn't convert empty strings to null.</p> 2<p>Should say PASS:</p> 3<script> 4if (window.layoutTestController) 5 layoutTestController.dumpAsText(); 6 7document.write((document.implementation.createDocument(null, 'root', null).isDefaultNamespace('')) ? "PASS" : "FAIL"); 8</script> 9