LayoutTests/loader/navigation-while-deferring-loads.html - WebKit - Git at Google

 <html>
 <script>
 if (window.testRunner) {
     testRunner.dumpAsText();
     testRunner.waitUntilDone();
 }
 function run() {
     if (history.length > 1) {
         document.body.innerHTML = 'PASS';
         if (window.testRunner)
           testRunner.notifyDone();
         return;
     }
     var evt = document.createEvent("MouseEvents");
     evt.initMouseEvent("click", true, true, window,
       0, 0, 0, 0, 0, false, false, false, false, 0, null);
     document.getElementById('anchor').dispatchEvent(evt);
 }
 </script>
 <body onload='run()'>
     <a id='anchor' href='data:text/html,<script>function deferCallbacks(defer){testRunner.setDefersLoading(defer)}</script><body onload="if(window.testRunner){deferCallbacks(true);testRunner.goBack();deferCallbacks(false)}">FAIL</body>'>go to second page</a>
 </body>
 </html>
	<html>
	<script>
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}
	function run() {
	if (history.length > 1) {
	document.body.innerHTML = 'PASS';
	if (window.testRunner)
	testRunner.notifyDone();
	return;
	}
	var evt = document.createEvent("MouseEvents");
	evt.initMouseEvent("click", true, true, window,
	0, 0, 0, 0, 0, false, false, false, false, 0, null);
	document.getElementById('anchor').dispatchEvent(evt);
	}
	</script>
	<body onload='run()'>
	<a id='anchor' href='data:text/html,<script>function deferCallbacks(defer){testRunner.setDefersLoading(defer)}</script><body onload="if(window.testRunner){deferCallbacks(true);testRunner.goBack();deferCallbacks(false)}">FAIL</body>'>go to second page</a>
	</body>
	</html>