<html>
<head>
    <script>
        function debug(str) {
            li = document.createElement('li');
            li.appendChild(document.createTextNode(str));
            document.getElementById('console').appendChild(li);
        }

        function runTests() {
            if (window.testRunner) {
                testRunner.dumpAsText();
            }

            var docType = window.document.implementation.createDocumentType("aDocTypeName", "aPublicID", "aSystemID");
            var doc = window.document.implementation.createDocument("", "", docType);

            var serializer = new XMLSerializer();

            var result = serializer.serializeToString(docType);
            if (result == '<!DOCTYPE aDocTypeName PUBLIC "aPublicID" "aSystemID">')
                debug('PASS: the DocumentType node has been successfully serialize to "' + result + '".');
            else
                debug('FAIL: the DocumentType node has not been successfully serialized.');
        }
    </script>
</head>
<body onload="runTests()">
This tests XMLSerializer.serializeToString() on a DocumentType node that has a document associated with it.
<ul id="console">
</ul>
</body>
</html>