LayoutTests/compositing/repaint/opacity-between-absolute.html - WebKit - Git at Google

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">

 <html lang="en">
 <head>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   <title>Opacity between absolutes</title>
   <style type="text/css" media="screen">
     .container {
       position: relative;
       height: 200px;
       width: 200px;
       border: 1px solid black;
       -webkit-transform: translateZ(0);
       -webkit-transform-style: preserve-3d;
     }

     .fader {
       height: 50px;
       width: 50px;
       margin: 20px;
       border: 1px solid black;
       -webkit-transition: opacity 100s;
     }

     .container:hover .fader {
       opacity: 0.5;
     }

     .inner {
       position: absolute;
       left: 100px;
       top: 100px;
       height: 80px;
       width: 80px;
       background-color: gray;
     }

     .inner:hover {
       background-color: orange;
     }
   </style>
   <script type="text/javascript" charset="utf-8">
     if (window.testRunner)
       testRunner.waitUntilDone();

     function runTest()
     {
       // Kick off an opacity fade to make .fader into a compositing layer
       var container = document.querySelectorAll('.fader')[0];
       container.style.opacity = 0.99;
       window.setTimeout(function() {
         // Now test redraw on .inner
         var inner = document.querySelectorAll('.inner')[0];
         inner.style.backgroundColor = 'green';
         if (window.testRunner)
           testRunner.notifyDone();
       }, 0);
     }

     window.addEventListener('load', runTest, false)
   </script>
 </head>
 <body>
 <p>This test should not assert, and you should see a fully green square.</p>
 <div class="container">
   <div class="fader">
     <div class="inner">
     </div>
   </div>
 </div>

 </body>
 </html>
	<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
	"http://www.w3.org/TR/html4/loose.dtd">

	<html lang="en">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	<title>Opacity between absolutes</title>
	<style type="text/css" media="screen">
	.container {
	position: relative;
	height: 200px;
	width: 200px;
	border: 1px solid black;
	-webkit-transform: translateZ(0);
	-webkit-transform-style: preserve-3d;
	}

	.fader {
	height: 50px;
	width: 50px;
	margin: 20px;
	border: 1px solid black;
	-webkit-transition: opacity 100s;
	}

	.container:hover .fader {
	opacity: 0.5;
	}

	.inner {
	position: absolute;
	left: 100px;
	top: 100px;
	height: 80px;
	width: 80px;
	background-color: gray;
	}

	.inner:hover {
	background-color: orange;
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.testRunner)
	testRunner.waitUntilDone();

	function runTest()
	{
	// Kick off an opacity fade to make .fader into a compositing layer
	var container = document.querySelectorAll('.fader')[0];
	container.style.opacity = 0.99;
	window.setTimeout(function() {
	// Now test redraw on .inner
	var inner = document.querySelectorAll('.inner')[0];
	inner.style.backgroundColor = 'green';
	if (window.testRunner)
	testRunner.notifyDone();
	}, 0);
	}

	window.addEventListener('load', runTest, false)
	</script>
	</head>
	<body>
	<p>This test should not assert, and you should see a fully green square.</p>
	<div class="container">
	<div class="fader">
	<div class="inner">
	</div>
	</div>
	</div>

	</body>
	</html>