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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>