test_animations_iterationstart.html

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<!DOCTYPE html>

<html>

<head>

  <title>

    Test for Animation.effect.timing.iterationStart on compositor animations

  </title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/paint_listener.js"></script>

  <script type="application/javascript" src="animation_utils.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">

  <style type="text/css">

    .target {

      /* The animation target needs geometry in order to qualify for OMTA */

      width: 100px;

      height: 100px;

      background-color: white;

  </style>

</head>

<body>

<div id="display"></div>

<script type="application/javascript">

"use strict";

SimpleTest.waitForExplicitFinish();

runOMTATest(function() {

  runAllAsyncAnimTests().then(SimpleTest.finish);

}, SimpleTest.finish, SpecialPowers);

addAsyncAnimTest(async function() {

  var [ div ] = new_div("test");

  var animation = div.animate(

    { transform: ["translate(0px)", "translate(100px)"] },

    { iterationStart: 0.5, duration: 10000, fill: "both"}

);

  await waitForPaints();

  omta_is(div, "transform", { tx: 50 }, RunningOn.Compositor, "Start of Animation");

  advance_clock(4000);

  await waitForPaints();

  omta_is(div, "transform", { tx: 90 }, RunningOn.Compositor, "40% of Animation");

  advance_clock(6000);

  await waitForPaints();

  omta_is(div, "transform", { tx: 50 }, RunningOn.MainThread, "End of Animation");

  done_div();

});

</script>

</body>

</html>