LayoutTests/fast/scrolling/ios/overflow-scroll-touch.html - WebKit - Git at Google

 <!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] -->
 <html>
 <head>
   <style>
     html {
       -webkit-overflow-scrolling: touch;
     }

     .overflow {
       width: 200px;
       height: 200px;
       margin: 10px;
       border: 1px solid black;
       display: inline-block;
     }

     .tall {
       height: 400px;
     }

     .short {
       height: 100px;
     }

     .scroll {
       overflow: scroll;
     }

     .auto {
       overflow: auto;
     }

     .contents {
       background-color: silver;
     }
   </style>
   <script>
     if (window.testRunner)
       testRunner.dumpAsText();

     function testScrollability(element)
     {
       // This will cause scrolled elements will have a 'bounds origin' of y=50 in their layer.
       element.scrollTop = 50;
     }

     function doTest()
     {
       var divs = document.querySelectorAll('body > div.overflow');
       for (var i = 0; i < divs.length; ++i)
         testScrollability(divs[i]);

       if (window.testRunner)
         document.getElementById('results').innerText = window.internals.layerTreeAsText(document);
     }
     window.addEventListener('load', doTest, false);
   </script>
 </head>
 <body>

   <div class="overflow scroll">
     <div class="short contents"></div>
   </div>

   <div class="overflow scroll">
     <div class="tall contents"></div>
   </div>
   <br>

   <div class="overflow auto">
     <div class="short contents"></div>
   </div>

   <div class="overflow auto">
     <div class="tall contents"></div>
   </div>

   <pre id="results">This test requires DRT.</pre>
 </body>
 </html>
	<!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] -->
	<html>
	<head>
	<style>
	html {
	-webkit-overflow-scrolling: touch;
	}

	.overflow {
	width: 200px;
	height: 200px;
	margin: 10px;
	border: 1px solid black;
	display: inline-block;
	}

	.tall {
	height: 400px;
	}

	.short {
	height: 100px;
	}

	.scroll {
	overflow: scroll;
	}

	.auto {
	overflow: auto;
	}

	.contents {
	background-color: silver;
	}
	</style>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	function testScrollability(element)
	{
	// This will cause scrolled elements will have a 'bounds origin' of y=50 in their layer.
	element.scrollTop = 50;
	}

	function doTest()
	{
	var divs = document.querySelectorAll('body > div.overflow');
	for (var i = 0; i < divs.length; ++i)
	testScrollability(divs[i]);

	if (window.testRunner)
	document.getElementById('results').innerText = window.internals.layerTreeAsText(document);
	}
	window.addEventListener('load', doTest, false);
	</script>
	</head>
	<body>

	<div class="overflow scroll">
	<div class="short contents"></div>
	</div>

	<div class="overflow scroll">
	<div class="tall contents"></div>
	</div>
	<br>

	<div class="overflow auto">
	<div class="short contents"></div>
	</div>

	<div class="overflow auto">
	<div class="tall contents"></div>
	</div>

	<pre id="results">This test requires DRT.</pre>
	</body>
	</html>