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<!DOCTYPE html>
<title>Starting transition after animation has ended</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions/">
<link rel="help" href="https://crbug.com/1261155">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./support/helper.js"></script>
<style>
@keyframes anim {
from { left: 100px }
to { left: 200px }
}
#div {
left: 0px;
position: relative;
width: 50px;
height: 50px;
background-color: green;
}
#div.animate {
animation: anim 0.1s linear;
}
#div.transition {
left: 300px;
transition: left 1000s steps(2, start);
}
</style>
<div id=div>
</div>
<script>
promise_test(async t => {
const watcher = new EventWatcher(t, div, ['animationend']);
assert_equals(getComputedStyle(div).left, '0px');
div.classList.toggle('animate');
assert_equals(getComputedStyle(div).left, '100px');
await watcher.wait_for('animationend');
assert_equals(getComputedStyle(div).left, '0px');
div.classList.toggle('transition');
assert_equals(getComputedStyle(div).left, '150px');
}, 'Starting transition after animation has ended');
</script>
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