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<!DOCTYPE html>
<meta charset=utf-8>
<title>Animation.cancel</title>
<link rel="help" href="https://drafts.csswg.org/web-animations/#dom-animation-cancel">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<body>
<div id="log"></div>
<script>
'use strict';
promise_test(t => {
const div = createDiv(t);
const animation = div.animate(
{ transform: ['translate(100px)', 'translate(100px)'] },
100 * MS_PER_SEC
);
return animation.ready.then(() => {
assert_not_equals(getComputedStyle(div).transform, 'none',
'transform style is animated before cancelling');
animation.cancel();
assert_equals(getComputedStyle(div).transform, 'none',
'transform style is no longer animated after cancelling');
});
}, 'Animated style is cleared after calling Animation.cancel()');
test(t => {
const div = createDiv(t);
const animation = div.animate({ marginLeft: ['100px', '200px'] },
100 * MS_PER_SEC);
animation.effect.updateTiming({ easing: 'linear' });
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is not animated after cancelling');
animation.currentTime = 50 * MS_PER_SEC;
assert_equals(getComputedStyle(div).marginLeft, '150px',
'margin-left style is updated when cancelled animation is'
+ ' seeked');
}, 'After cancelling an animation, it can still be seeked');
promise_test(t => {
const div = createDiv(t);
const animation = div.animate({ marginLeft:['100px', '200px'] },
100 * MS_PER_SEC);
return animation.ready.then(() => {
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is not animated after cancelling');
animation.play();
assert_equals(getComputedStyle(div).marginLeft, '100px',
'margin-left style is animated after re-starting animation');
return animation.ready;
}).then(() => {
assert_equals(animation.playState, 'running',
'Animation succeeds in running after being re-started');
});
}, 'After cancelling an animation, it can still be re-used');
</script>
</body>
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