LayoutTests/compositing/iframes/become-overlapped-iframe.html - WebKit - Git at Google

 <!DOCTYPE html>

 <html>
 <head>
   <style type="text/css" media="screen">
     iframe {
         border: 10px solid black;
         padding: 5px;
         margin: 50px;
         height: 170px;
         width: 320px;
         float: left;
     }

     #overlay {
         position: absolute;
         width: 150px;
         height: 50px;
         top: 5px;
         left: 5px;
         background-color: rgba(0, 0, 0, 0.6);
     }

     pre {
         clear: both;
     }
   </style>
   <script type="text/javascript" charset="utf-8">
     if (window.testRunner) {
         testRunner.dumpAsText();
         testRunner.waitUntilDone();
     }

     function doTest()
     {
         // Need to wait for compositing layers to be updated.
         window.setTimeout(function() {
           document.getElementById('overlay').style.height = '150px';
             if (window.testRunner) {
                 testRunner.display(); // Painting has to happen to detect overlap.
                 document.getElementById('layers').innerHTML = testRunner.layerTreeAsText();
                 testRunner.notifyDone();
             }
         }, 0);
     }

     window.addEventListener('load', doTest, false);
   </script>
 </head>
 <body>

     <!-- Test that the parent document becomes composited when the iframe becomes overlapped. -->
     <!-- The iframe does not start with a RenderLayer. -->
     <iframe id="iframe" src="resources/composited-subframe.html"></iframe>

     <div id="overlay">
     </div>

     <pre id="layers">Layer tree appears here in DRT.</pre>
 </body>
 </html>
	<!DOCTYPE html>

	<html>
	<head>
	<style type="text/css" media="screen">
	iframe {
	border: 10px solid black;
	padding: 5px;
	margin: 50px;
	height: 170px;
	width: 320px;
	float: left;
	}

	#overlay {
	position: absolute;
	width: 150px;
	height: 50px;
	top: 5px;
	left: 5px;
	background-color: rgba(0, 0, 0, 0.6);
	}

	pre {
	clear: both;
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	function doTest()
	{
	// Need to wait for compositing layers to be updated.
	window.setTimeout(function() {
	document.getElementById('overlay').style.height = '150px';
	if (window.testRunner) {
	testRunner.display(); // Painting has to happen to detect overlap.
	document.getElementById('layers').innerHTML = testRunner.layerTreeAsText();
	testRunner.notifyDone();
	}
	}, 0);
	}

	window.addEventListener('load', doTest, false);
	</script>
	</head>
	<body>

	<!-- Test that the parent document becomes composited when the iframe becomes overlapped. -->
	<!-- The iframe does not start with a RenderLayer. -->
	<iframe id="iframe" src="resources/composited-subframe.html"></iframe>

	<div id="overlay">
	</div>

	<pre id="layers">Layer tree appears here in DRT.</pre>
	</body>
	</html>