<html>
<head>
<script>
function debug(str) {
    pre = document.getElementById('console');
    txt = document.createTextNode(str)
    pre.appendChild(txt)
}
function runTests() {
    if (window.testRunner)
        testRunner.dumpAsText();

    var uri = 'http://www.example.org';

    // Both null namespaceURI and qname
    try {
        var doc = document.implementation.createDocument(null, null, null)
        
        if (doc.documentElement) {
            debug('FAILURE: Document created should not have a document element')
            return;
        }
    } catch (e) {
        debug('FAILURE: Got exception ' + e.message + ' when creating document with null namespaceURI and qualifiedName')
        return;
    }
    
    // Both empty namespaceURI and qname
    try {
        var doc = document.implementation.createDocument('', '', null)
        
        if (doc.documentElement) {
            debug('FAILURE: Document created should not have a document element')
            return;
        }
    } catch (e) {
        debug('FAILURE: Got exception ' + e.message + ' when creating document with empty namespaceURI and qualifiedName')
        return;
    }

    // Null namespaceURI with qname
    try {
        var doc = document.implementation.createDocument(null, 'test', null)
        
        if (!doc.documentElement) {
            debug('FAILURE: Document created should have a document element')
            return;
        }
        
    } catch (e) {
        debug('FAILURE: Got exception ' + e.message + ' when creating document with null namespaceURI')
        return;
    }
    
    // Empty namespaceURI with qname
    try {
        var doc = document.implementation.createDocument('', 'test', null)
        
        if (!doc.documentElement) {
            debug('FAILURE: Document created should have a document element')
            return;
        }
        
    } catch (e) {
        debug('FAILURE: Got exception ' + e.message + ' when creating document with empty namespaceURI')
        return;
    }

    // namespaceURI with empty qname
    try {
        var doc = document.implementation.createDocument(uri, '', null)
        
        if (doc.documentElement) {
            debug('FAILURE: Document created should not have a document element')
            return;
        }
        
    } catch (e) {
        debug('FAILURE: Got exception ' + e.message + ' when creating document with empty namespaceURI')
        return;
    }
    
    debug('SUCCESS!')
}

</script>
</head>
<body onload="runTests();">
This tests that it should be possible to create documents with empty/null qnames and namespaceURIs. If the test is successful, 'SUCCESS' will be displayed below, otherwise 'FAILURE' and a reason will be displayed.
<pre id="console">
</pre>
</body>
</html>