LayoutTests/animations/animation-multiple-callbacks-timestamp.html - WebKit - Git at Google

 <!DOCTYPE HTML>
 <html>
 <head>
     <script src="../resources/js-test-pre.js"></script>
 </head>
 <body>
     <script>
         var timestamp1 = 0;
         var timestamp2 = 0;
         var currentFrame = 0;
         const MaxFrames = 10;

         function doAnimation1(timestamp)
         {
             if (++currentFrame > MaxFrames) {
                 finishJSTest();
                 return;
             }

             timestamp1 = timestamp;
             requestAnimationFrame(doAnimation1);
             requestAnimationFrame(doAnimation2);
         }

         function doAnimation2(timestamp)
         {
             timestamp2 = timestamp;
             shouldBe("Math.round(timestamp1)", "Math.round(timestamp2)");
         }

         window.jsTestIsAsync = true;

         description("Test the timestamps of all the rAF callbacks are the same.");
         requestAnimationFrame(doAnimation1);
         requestAnimationFrame(doAnimation2);
     </script>
     <script src="../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="../resources/js-test-pre.js"></script>
	</head>
	<body>
	<script>
	var timestamp1 = 0;
	var timestamp2 = 0;
	var currentFrame = 0;
	const MaxFrames = 10;

	function doAnimation1(timestamp)
	{
	if (++currentFrame > MaxFrames) {
	finishJSTest();
	return;
	}

	timestamp1 = timestamp;
	requestAnimationFrame(doAnimation1);
	requestAnimationFrame(doAnimation2);
	}

	function doAnimation2(timestamp)
	{
	timestamp2 = timestamp;
	shouldBe("Math.round(timestamp1)", "Math.round(timestamp2)");
	}

	window.jsTestIsAsync = true;

	description("Test the timestamps of all the rAF callbacks are the same.");
	requestAnimationFrame(doAnimation1);
	requestAnimationFrame(doAnimation2);
	</script>
	<script src="../resources/js-test-post.js"></script>
	</body>
	</html>