ManualTests/scrollbar-crash-on-hide-scrolled-area.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="utf-8"/>
     <title>QuickStart</title>
     <style>
     .lessonChapters {
         position:absolute;
         top:26px;
         bottom:22px;
         overflow:auto;
     }
     #hint {
         height:9000px;
     }
 </style>
 <script>
     function runTest()
     {
         document.getElementById('lessons').scrollTop = 10000;
         document.getElementById('toHide').style.display='none';
     }
 </script>
 </head>

 <body onload="runTest();">

 <div class="lessonChapters" id="lessons">
 <div class="lessonChapter" id="toHide">
     <br />
     Manual repro: scroll down and click on <b>Next step</b>
     <div id="hint">&nbsp;</div>
     <a href="#" class="nextStepButton" onclick="document.getElementById('toHide').style.display='none'">Next step</a>
 </div>
 <p>Bug #74111: This test is to make sure that a scrolled element does not crash the browser when it goes hidden. The test passes if it does not crash.</p>
 PASSED
 </div>

 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8"/>
	<title>QuickStart</title>
	<style>
	.lessonChapters {
	position:absolute;
	top:26px;
	bottom:22px;
	overflow:auto;
	}
	#hint {
	height:9000px;
	}
	</style>
	<script>
	function runTest()
	{
	document.getElementById('lessons').scrollTop = 10000;
	document.getElementById('toHide').style.display='none';
	}
	</script>
	</head>

	<body onload="runTest();">

	<div class="lessonChapters" id="lessons">
	<div class="lessonChapter" id="toHide">
	<br />
	Manual repro: scroll down and click on <b>Next step</b>
	<div id="hint"> </div>
	<a href="#" class="nextStepButton" onclick="document.getElementById('toHide').style.display='none'">Next step</a>
	</div>
	<p>Bug #74111: This test is to make sure that a scrolled element does not crash the browser when it goes hidden. The test passes if it does not crash.</p>
	PASSED
	</div>

	</body>
	</html>