LayoutTests/compositing/overflow/textarea-scroll-touch.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
   <style>
     html {
       -webkit-overflow-scrolling: touch;
     }

     textarea {
       width: 200px;
       height: 120px;
       margin: 10px;
       border: 1px solid black;
       display: inline-block;
       font-size: 24pt;
     }
   </style>
   <script>
     if (window.testRunner)
       testRunner.dumpAsText();

     function testScrollability(element)
     {
       // This will cause scrollable element content layers to be offset by y=50 with respect to their scrolling container.
       element.scrollTop = 50;
     }

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

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

   <textarea>
     Lorem ipsum dolor sit amet, consectetur adipisicing elit.
   </textarea>

   <textarea disabled>
     Lorem ipsum dolor sit amet, consectetur adipisicing elit.
   </textarea>

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

	textarea {
	width: 200px;
	height: 120px;
	margin: 10px;
	border: 1px solid black;
	display: inline-block;
	font-size: 24pt;
	}
	</style>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	function testScrollability(element)
	{
	// This will cause scrollable element content layers to be offset by y=50 with respect to their scrolling container.
	element.scrollTop = 50;
	}

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

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

	<textarea>
	Lorem ipsum dolor sit amet, consectetur adipisicing elit.
	</textarea>

	<textarea disabled>
	Lorem ipsum dolor sit amet, consectetur adipisicing elit.
	</textarea>

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