LayoutTests/webanimations/accessing-current-time-after-clearing-css-animation-effect.html - WebKit - Git at Google

 <!DOCTYPE html>
 <meta charset=utf-8>
 <title>Crash accessing a CSSAnimation's current time after setting its effect to null</title>
 <style>
     @keyframes animation {
         from {
             margin-left: 0px;
         }
         to {
             margin-left: 100px;
         }
     }
 </style>
 <body>
 <script src="../resources/testharness.js"></script>
 <script src="../resources/testharnessreport.js"></script>
 <script>

 'use strict';

 test(t => {
     const target = document.body.appendChild(document.createElement("div"));
     target.style.animation = "animation 1s";

     const animations = target.getAnimations();
     assert_equals(animations.length, 1, "The target element has one animation.");

     const animation = animations[0];
     animation.effect = null;

     assert_equals(animation.currentTime, 0, "The animation's current time is 0 after removing its effect.");
 }, "Current time is 0 after removing its effect.");

 </script>
 </body>
	<!DOCTYPE html>
	<meta charset=utf-8>
	<title>Crash accessing a CSSAnimation's current time after setting its effect to null</title>
	<style>
	@keyframes animation {
	from {
	margin-left: 0px;
	}
	to {
	margin-left: 100px;
	}
	}
	</style>
	<body>
	<script src="../resources/testharness.js"></script>
	<script src="../resources/testharnessreport.js"></script>
	<script>

	'use strict';

	test(t => {
	const target = document.body.appendChild(document.createElement("div"));
	target.style.animation = "animation 1s";

	const animations = target.getAnimations();
	assert_equals(animations.length, 1, "The target element has one animation.");

	const animation = animations[0];
	animation.effect = null;

	assert_equals(animation.currentTime, 0, "The animation's current time is 0 after removing its effect.");
	}, "Current time is 0 after removing its effect.");

	</script>
	</body>