LayoutTests/fast/css/list-item-pseudo-nocrash.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
     <head>
         <title>List-item + :after pseudo-class</title>
         <style type="text/css">
 #anchor {
     display: block;
 }
 #anchor:hover {}
 #anchor:after {
     content: ".";
     display: block;
 }
 span {
     float: left;
 }
         </style>
         <script type="application/javascript">
 function run() {
     if (!window.testRunner)
         return;

     window.testRunner.dumpAsText();
     window.testRunner.waitUntilDone();
     window.eventSender.mouseMoveTo(0, 0);
     window.setTimeout(hover, 100);
 }

 function hover() {
     var element = document.getElementById('text');
     var x = element.offsetLeft + element.offsetWidth / 2;
     var y = element.offsetTop + element.offsetHeight / 2;
     window.eventSender.mouseMoveTo(x, y);
     window.setTimeout(finalize, 100);
 }

 function finalize() {
     window.testRunner.notifyDone();
 }

 window.addEventListener('load', run, false);
         </script>
     </head>
     <body>
         <p>This is a test for <a href="https://bugs.webkit.org/show_bug.cgi?id=30944">bug 30944</a>. Passes if it does not crash.</p>
         <ul>
             <li>
                 <a id="anchor" href="#"><span id="text">Hover me</span></a>
             </li>
         </ul>
     </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>List-item + :after pseudo-class</title>
	<style type="text/css">
	#anchor {
	display: block;
	}
	#anchor:hover {}
	#anchor:after {
	content: ".";
	display: block;
	}
	span {
	float: left;
	}
	</style>
	<script type="application/javascript">
	function run() {
	if (!window.testRunner)
	return;

	window.testRunner.dumpAsText();
	window.testRunner.waitUntilDone();
	window.eventSender.mouseMoveTo(0, 0);
	window.setTimeout(hover, 100);
	}

	function hover() {
	var element = document.getElementById('text');
	var x = element.offsetLeft + element.offsetWidth / 2;
	var y = element.offsetTop + element.offsetHeight / 2;
	window.eventSender.mouseMoveTo(x, y);
	window.setTimeout(finalize, 100);
	}

	function finalize() {
	window.testRunner.notifyDone();
	}

	window.addEventListener('load', run, false);
	</script>
	</head>
	<body>
	<p>This is a test for <a href="https://bugs.webkit.org/show_bug.cgi?id=30944">bug 30944</a>. Passes if it does not crash.</p>
	<ul>
	<li>
	<a id="anchor" href="#"><span id="text">Hover me</span></a>
	</li>
	</ul>
	</body>
	</html>