File: paused-animation-at-end.html

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<!DOCTYPE html>
<title>View transitions: pause animation and set current time to the end</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<style>
:root { view-transition-name: unset; }
#target {
  width: 100px;
  height: 100px;
  view-transition-name: target;
}
.one {
  background: blue;
}
.two {
  background: green;
}
</style>

<div id=target class=one></div>

<script>
promise_test(async (t) => {
  return new Promise((resolve, reject) => {
    let transition = document.startViewTransition(() => {
      target.classList.replace("one", "two");
    });

    transition.finished.then(() => reject("transition unexpectedly finished"));
    transition.ready.then(() => {
      document.getAnimations().forEach((animation) => {
        animation.pause();
        animation.currentTime = 1000;
      });
      step_timeout(resolve, 500);
    });
  });
}, "view transition is not over if animations are paused");
</script>