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<!DOCTYPE html>
<html class="reftest-wait">
<title>Verify that calling pause immediately after playing works as expected</title>
<link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/">
<link rel="match" href="references/translated-box-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="common.js"></script>
<style>
#box {
width: 100px;
height: 100px;
background-color: green;
}
</style>
<div id="box"></div>
<script>
registerPassthroughAnimator().then(async _ => {
const duration = 18; // a bit longer than a frame
const box = document.getElementById('box');
const effect = new KeyframeEffect(box,
{ transform: ['translateY(0px)', 'translateY(100px)'] },
{ duration: duration, iterations: 1, fill: 'forwards'}
);
const animation = new WorkletAnimation('passthrough', effect);
// Immediately pausing animation should freeze the current time at 0.
animation.pause();
// Playing should cause animation to resume.
animation.play();
// Wait until we ensure animation has reached completion.
await waitForAnimationFrameWithCondition( _ => {
return animation.currentTime >= duration;
});
takeScreenshot();
});
</script>
</html>
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