LayoutTests/fast/xpath/xpath-iterator-result-should-mark-its-nodeset.html - WebKit - Git at Google

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

         var types = [
                       XPathResult.ORDERED_NODE_ITERATOR_TYPE,
                       XPathResult.UNORDERED_NODE_ITERATOR_TYPE
                     ];

         function gc()
         {
             if (window.GCController)
                 return GCController.collect();

             for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
                 var s = new String("abc");
             }
         }

         function test(type)
         {
             var doc = (new DOMParser).parseFromString("<html><body><span></span></body></html>", "text/xml");
             doc.getElementsByTagName("span")[0].foo = "PASS";
             var result = doc.evaluate("//span", doc.documentElement, null, type, null);
             doc = 0;
             gc();
             var console = document.getElementById("console");
             console.appendChild(document.createTextNode(result.iterateNext().foo));
             console.appendChild(document.createElement("br"));
         }

         function tests()
         {
             while (types.length) {
                 test(types.pop());
             }
         }
     </script>
 </head>
 <body onload="tests()">
 <div> Test for bug <a href="https://bugs.webkit.org/show_bug.cgi?id=34231">34231</a>: Nodes in XPathResult should keep JS wrappers alive.</div>
 <div> For this test to PASS you should see 2 PASS below.</div><br>
 <div id="console"></div>
 </body></html>
	<html><head>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	var types = [
	XPathResult.ORDERED_NODE_ITERATOR_TYPE,
	XPathResult.UNORDERED_NODE_ITERATOR_TYPE
	];

	function gc()
	{
	if (window.GCController)
	return GCController.collect();

	for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
	var s = new String("abc");
	}
	}

	function test(type)
	{
	var doc = (new DOMParser).parseFromString("<html><body><span></span></body></html>", "text/xml");
	doc.getElementsByTagName("span")[0].foo = "PASS";
	var result = doc.evaluate("//span", doc.documentElement, null, type, null);
	doc = 0;
	gc();
	var console = document.getElementById("console");
	console.appendChild(document.createTextNode(result.iterateNext().foo));
	console.appendChild(document.createElement("br"));
	}

	function tests()
	{
	while (types.length) {
	test(types.pop());
	}
	}
	</script>
	</head>
	<body onload="tests()">
	<div> Test for bug <a href="https://bugs.webkit.org/show_bug.cgi?id=34231">34231</a>: Nodes in XPathResult should keep JS wrappers alive.</div>
	<div> For this test to PASS you should see 2 PASS below.</div><br>
	<div id="console"></div>
	</body></html>