LayoutTests/webanimations/no-scheduling-while-filling-non-accelerated.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <style>

 #target {
     width: 100px;
     height: 100px;
     background-color: black;
 }

 </style>
 </head>
 <body>
 <script src="../resources/testharness.js"></script>
 <script src="../resources/testharnessreport.js"></script>
 <div id="target"></div>
 <script>

 function waitNFrames(numberOfFrames, continuation)
 {
     let elapsedFrames = 0;
     (function rAFCallback() {
         if (elapsedFrames++ >= numberOfFrames)
             continuation();
         else
             requestAnimationFrame(rAFCallback);
     })();
 }

 async_test(t => {
     const keyframes = { marginLeft: ["50px", "100px"] };
     const timing = { duration: 50, fill: "forwards" };
     document.getElementById("target").animate(keyframes, timing).addEventListener("finish", event => {
         const numberOfTimelineInvalidationsWhenFinished = internals.numberOfAnimationTimelineInvalidations();
         waitNFrames(2, () => {
             assert_equals(internals.numberOfAnimationTimelineInvalidations(), numberOfTimelineInvalidationsWhenFinished);
             t.done();
         });
     });
 }, "There should not be any updates made to the timeline after a forward-filling animation completes.");

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<style>

	#target {
	width: 100px;
	height: 100px;
	background-color: black;
	}

	</style>
	</head>
	<body>
	<script src="../resources/testharness.js"></script>
	<script src="../resources/testharnessreport.js"></script>
	<div id="target"></div>
	<script>

	function waitNFrames(numberOfFrames, continuation)
	{
	let elapsedFrames = 0;
	(function rAFCallback() {
	if (elapsedFrames++ >= numberOfFrames)
	continuation();
	else
	requestAnimationFrame(rAFCallback);
	})();
	}

	async_test(t => {
	const keyframes = { marginLeft: ["50px", "100px"] };
	const timing = { duration: 50, fill: "forwards" };
	document.getElementById("target").animate(keyframes, timing).addEventListener("finish", event => {
	const numberOfTimelineInvalidationsWhenFinished = internals.numberOfAnimationTimelineInvalidations();
	waitNFrames(2, () => {
	assert_equals(internals.numberOfAnimationTimelineInvalidations(), numberOfTimelineInvalidationsWhenFinished);
	t.done();
	});
	});
	}, "There should not be any updates made to the timeline after a forward-filling animation completes.");

	</script>
	</body>
	</html>