LayoutTests/fast/workers/shared-worker-gc.html - WebKit - Git at Google

 <body>
 <p>Test shared worker garbage collection. Should print "PASS" followed by "DONE".</p>
 <div id=result></div>
 <script>
 function log(message)
 {
     document.getElementById("result").innerHTML += message + "<br>";
 }

 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");
     }
 }

 if (window.layoutTestController) {
     layoutTestController.dumpAsText();
     layoutTestController.waitUntilDone();
 }

 var worker = new SharedWorker('resources/shared-worker-common.js', 'name');
 worker.port.onmessage = handleMessage;
 worker.port.postMessage("ping");
 worker = 0;
 gc();

 function handleMessage(event) {
     log(event.data);
     log("DONE");
     if (window.layoutTestController)
         layoutTestController.notifyDone();
 };
 </script>
 </body>
	<body>
	<p>Test shared worker garbage collection. Should print "PASS" followed by "DONE".</p>
	<div id=result></div>
	<script>
	function log(message)
	{
	document.getElementById("result").innerHTML += message + "<br>";
	}

	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");
	}
	}

	if (window.layoutTestController) {
	layoutTestController.dumpAsText();
	layoutTestController.waitUntilDone();
	}

	var worker = new SharedWorker('resources/shared-worker-common.js', 'name');
	worker.port.onmessage = handleMessage;
	worker.port.postMessage("ping");
	worker = 0;
	gc();

	function handleMessage(event) {
	log(event.data);
	log("DONE");
	if (window.layoutTestController)
	layoutTestController.notifyDone();
	};
	</script>
	</body>