LayoutTests/compositing/tiling/crash-reparent-tiled-layer.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
   <head>
     <title>Test that switching to tiled layers when the parent is a tiled layer does not crash</title>

     <style type="text/css" media="screen">

     #container {
       width: 500px;
       height: 5000px;
       border: 1px solid black;
       background-color: yellow;
       -webkit-transform:translateZ(0);
     }

     #box {
         position: absolute;
         left:50px;
         width: 200px;
         height: 200px;
         -webkit-transform:translateZ(0);
         top: 100px;
         background-color: red;
     }
     </style>
     <script type="text/javascript" charset="utf-8">
         if (window.layoutTestController) {
             layoutTestController.dumpAsText();
             layoutTestController.waitUntilDone();
         }

         result = "";

         function testOnLoad()
         {
             window.setTimeout(function() {
                 document.getElementById('box').style.height = "4800px";

                 // Let it render
                 window.setTimeout(function() {
                     if (window.layoutTestController) {
                         document.getElementById('layers').innerHTML = layoutTestController.layerTreeAsText();
                         layoutTestController.notifyDone();
                     }
                 }, 0);
             }, 0);
         }

         window.addEventListener('load', testOnLoad, false);
     </script>
   </head>
   <body>
       <p>
         From https://bugs.webkit.org/show_bug.cgi?id=44629. The parent is a tiled layer.
         When the child is a non-tiled layer and it is switched to a tiled layer, a crash
         occurs. This test should not crash.
       </p>
         <div id="container">
           <div id="box"></div>
         </div>
         <pre id="layers">Layer tree appears here in DRT.</pre>
   </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Test that switching to tiled layers when the parent is a tiled layer does not crash</title>

	<style type="text/css" media="screen">

	#container {
	width: 500px;
	height: 5000px;
	border: 1px solid black;
	background-color: yellow;
	-webkit-transform:translateZ(0);
	}

	#box {
	position: absolute;
	left:50px;
	width: 200px;
	height: 200px;
	-webkit-transform:translateZ(0);
	top: 100px;
	background-color: red;
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.layoutTestController) {
	layoutTestController.dumpAsText();
	layoutTestController.waitUntilDone();
	}

	result = "";

	function testOnLoad()
	{
	window.setTimeout(function() {
	document.getElementById('box').style.height = "4800px";

	// Let it render
	window.setTimeout(function() {
	if (window.layoutTestController) {
	document.getElementById('layers').innerHTML = layoutTestController.layerTreeAsText();
	layoutTestController.notifyDone();
	}
	}, 0);
	}, 0);
	}

	window.addEventListener('load', testOnLoad, false);
	</script>
	</head>
	<body>
	<p>
	From https://bugs.webkit.org/show_bug.cgi?id=44629. The parent is a tiled layer.
	When the child is a non-tiled layer and it is switched to a tiled layer, a crash
	occurs. This test should not crash.
	</p>
	<div id="container">
	<div id="box"></div>
	</div>
	<pre id="layers">Layer tree appears here in DRT.</pre>
	</body>
	</html>