ManualTests/compositing/requires-backing-change.html - WebKit - Git at Google

 <!DOCTYPE html>

 <html>
 <head>
   <style>
     #container, #container2 {
       height: 100px;
       width: 100px;
       margin: 10px 0;
       -webkit-perspective: 1000px;
     }

     #container.transformed, #container2.transformed {
       -webkit-transform: translateX(0);
     }

     .box {
       margin-bottom: 5px;
       height: 100px;
       width: 100px;
       background-color: green;
       opacity: 0.5;
     }
   </style>
   <script>
     function doTest()
     {
       window.setTimeout(function() {
         document.getElementById('container').className = 'transformed';
         document.getElementById('container2').className = '';

         if (window.layoutTestController)
           layoutTestController.notifyDone();
       }, 100);
     }
     window.addEventListener('load', doTest, false);
   </script>
 </head>
 <body>
   <p>All squares should have the same pale green color></p>
   <div class="box"></div>
   <div id="container">
     <div class="box">
     </div>
   </div>

   <div id="container2" class="transformed">
     <div class="box">
     </div>
   </div>
 </body>
 </html>
	<!DOCTYPE html>

	<html>
	<head>
	<style>
	#container, #container2 {
	height: 100px;
	width: 100px;
	margin: 10px 0;
	-webkit-perspective: 1000px;
	}

	#container.transformed, #container2.transformed {
	-webkit-transform: translateX(0);
	}

	.box {
	margin-bottom: 5px;
	height: 100px;
	width: 100px;
	background-color: green;
	opacity: 0.5;
	}
	</style>
	<script>
	function doTest()
	{
	window.setTimeout(function() {
	document.getElementById('container').className = 'transformed';
	document.getElementById('container2').className = '';

	if (window.layoutTestController)
	layoutTestController.notifyDone();
	}, 100);
	}
	window.addEventListener('load', doTest, false);
	</script>
	</head>
	<body>
	<p>All squares should have the same pale green color></p>
	<div class="box"></div>
	<div id="container">
	<div class="box">
	</div>
	</div>

	<div id="container2" class="transformed">
	<div class="box">
	</div>
	</div>
	</body>
	</html>