LayoutTests/fast/html/xhtml-serialize.html - WebKit - Git at Google

 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
 <html>
 <body>
 <p>This test checks whether serialized invalid XHTML is valid XML (for bug 9901).</p>
 <p>If the test passes, you'll see a series of 'PASS' messages below.</p>
 <pre id="console"></pre>

 <script>
 if (window.testRunner)
     testRunner.dumpAsText();

 function log(s)
 {
     document.getElementById('console').appendChild(document.createTextNode(s));
 }

 function shouldBe(a, b)
 {
     var evalA;
     try {
         evalA = eval(a);
     } catch(e) {
         evalA = e;
     }

     if (evalA == b)
         log('PASS: ' + a + ' should be ' + b + ' and is.\n');
     else
         log('FAIL: ' + a + ' should be ' + b + ' but instead is ' + evalA + '.\n');
 }

 var doc = (new DOMParser()).parseFromString('<input xmlns="http://www.w3.org/1999/xhtml">123</input>', 'text/xml');
 var str = (new XMLSerializer()).serializeToString(doc);

 shouldBe('doc.firstChild.firstChild.nodeValue', '123');
 shouldBe('str', '<input xmlns=\"http://www.w3.org/1999/xhtml\">123</input>');
 </script>
 </body>
 </html>
	<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
	<html>
	<body>
	<p>This test checks whether serialized invalid XHTML is valid XML (for bug 9901).</p>
	<p>If the test passes, you'll see a series of 'PASS' messages below.</p>
	<pre id="console"></pre>

	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	function log(s)
	{
	document.getElementById('console').appendChild(document.createTextNode(s));
	}

	function shouldBe(a, b)
	{
	var evalA;
	try {
	evalA = eval(a);
	} catch(e) {
	evalA = e;
	}

	if (evalA == b)
	log('PASS: ' + a + ' should be ' + b + ' and is.\n');
	else
	log('FAIL: ' + a + ' should be ' + b + ' but instead is ' + evalA + '.\n');
	}

	var doc = (new DOMParser()).parseFromString('<input xmlns="http://www.w3.org/1999/xhtml">123</input>', 'text/xml');
	var str = (new XMLSerializer()).serializeToString(doc);

	shouldBe('doc.firstChild.firstChild.nodeValue', '123');
	shouldBe('str', '<input xmlns=\"http://www.w3.org/1999/xhtml\">123</input>');
	</script>
	</body>
	</html>