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 currentFrame = 0;
         var timestamp1 = 0;
         var failed = false;

         function finishTest()
         {
             if (failed)
                 testFailed("Some of the multiple requestAnimationFrame() callbacks, which were fired at the same time, received different timestamps.");
             else
                 testPassed("All the multiple requestAnimationFrame() callbacks, which were fired at the same time, received the same timestamp.");
             finishJSTest();
         }

         function doAnimation1(timestamp)
         {
             timestamp1 = timestamp;

             const MaxFrames = 25;
             if (currentFrame == MaxFrames)
                 finishTest();
             else {
                 requestAnimationFrame(doAnimation1);
                 requestAnimationFrame(doAnimation2);
             }
         }

         function doAnimation2(timestamp)
         {
             const WarmupFrames = 5;
             if (++currentFrame > WarmupFrames && timestamp != timestamp1) {
                 testFailed("timestamp1 = " + timestamp1 + ", timestamp2 = " + timestamp2  + ", window.performance.now() = " + window.performance.now());
                 failed = true;
             }
         }

         window.jsTestIsAsync = true;
         requestAnimationFrame(doAnimation1);
     </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 currentFrame = 0;
	var timestamp1 = 0;
	var failed = false;

	function finishTest()
	{
	if (failed)
	testFailed("Some of the multiple requestAnimationFrame() callbacks, which were fired at the same time, received different timestamps.");
	else
	testPassed("All the multiple requestAnimationFrame() callbacks, which were fired at the same time, received the same timestamp.");
	finishJSTest();
	}

	function doAnimation1(timestamp)
	{
	timestamp1 = timestamp;

	const MaxFrames = 25;
	if (currentFrame == MaxFrames)
	finishTest();
	else {
	requestAnimationFrame(doAnimation1);
	requestAnimationFrame(doAnimation2);
	}
	}

	function doAnimation2(timestamp)
	{
	const WarmupFrames = 5;
	if (++currentFrame > WarmupFrames && timestamp != timestamp1) {
	testFailed("timestamp1 = " + timestamp1 + ", timestamp2 = " + timestamp2 + ", window.performance.now() = " + window.performance.now());
	failed = true;
	}
	}

	window.jsTestIsAsync = true;
	requestAnimationFrame(doAnimation1);
	</script>
	<script src="../resources/js-test-post.js"></script>
	</body>
	</html>