LayoutTests/compositing/geometry/limit-layer-bounds-overflow-repaint.html - WebKit - Git at Google

 <!DOCTYPE html>

 <html lang="en">
 <head>
   <style type="text/css" media="screen">
     .container {
       display: inline-block;
       width: 200px;
       height: 200px;
       overflow: hidden;
       margin: 10px;
       border: 1px solid black;
     }

     .inner {
       width: 100%;
       height: 1000px;
       background-color: blue;
     }

     video {
       position: absolute;
       top: 20px;
       left: 20px;
       width: 100px;
       height: 100px;
     }

     .top {
       height: 50%;
       width: 100%;
       background-color: red;
     }

     .bottom {
       height: 50%;
       width: 100%;
       background-color: green;
     }
   </style>
   <script type="text/javascript" charset="utf-8">
     if (window.testRunner)
       testRunner.waitUntilDone();

     function doTest()
     {
       window.setTimeout(function() {
         var scrollables = document.querySelectorAll('.container');
         for (var i = 0; i < scrollables.length; ++i)
           scrollables[i].scrollTop = 500;

         if (window.testRunner)
           testRunner.notifyDone();

       }, 0);
     }

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

 <body>

   <!-- Go into compositing without transforms. -->
   <video src="../resources/video.mp4"></video>

   <!-- Test repainting when the graphicsLayer offsetFromRenderer changes -->
   <!-- You should see one green square, and no red -->
   <div class="container" style="position: relative;">
     <div class="inner" style="position: relative;">
       <div class="top"></div>
       <div class="bottom"></div>
     </div>
   </div>

 </body>
 </html>
	<!DOCTYPE html>

	<html lang="en">
	<head>
	<style type="text/css" media="screen">
	.container {
	display: inline-block;
	width: 200px;
	height: 200px;
	overflow: hidden;
	margin: 10px;
	border: 1px solid black;
	}

	.inner {
	width: 100%;
	height: 1000px;
	background-color: blue;
	}

	video {
	position: absolute;
	top: 20px;
	left: 20px;
	width: 100px;
	height: 100px;
	}

	.top {
	height: 50%;
	width: 100%;
	background-color: red;
	}

	.bottom {
	height: 50%;
	width: 100%;
	background-color: green;
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.testRunner)
	testRunner.waitUntilDone();

	function doTest()
	{
	window.setTimeout(function() {
	var scrollables = document.querySelectorAll('.container');
	for (var i = 0; i < scrollables.length; ++i)
	scrollables[i].scrollTop = 500;

	if (window.testRunner)
	testRunner.notifyDone();

	}, 0);
	}

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

	<body>

	<!-- Go into compositing without transforms. -->
	<video src="../resources/video.mp4"></video>

	<!-- Test repainting when the graphicsLayer offsetFromRenderer changes -->
	<!-- You should see one green square, and no red -->
	<div class="container" style="position: relative;">
	<div class="inner" style="position: relative;">
	<div class="top"></div>
	<div class="bottom"></div>
	</div>
	</div>

	</body>
	</html>