Blitz - WPT: background-color-animation-offset-position-not-stuck.html

wpt / css / css-backgrounds / animations / background-color-animation-offset-position-not-stuck.html

/css/css-backgrounds/animations/background-color-animation-offset-position-not-stuck.html

<!DOCTYPE html>
<html class="reftest-wait">
<link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#background-color">
<link rel="match" href="background-color-animation-ref.html">
<style>
.container {
  width: 100px;
  height: 100px;
  background-color: green;
  animation: bgcolorwithtf 20s steps(2, jump-end) -9.99s;
}
/* without an offset-path, this should do absolutely nothing */
.offset-position {
    offset-position: left top;
}
@keyframes bgcolorwithtf {
  0% {
    background-color: rgb(0, 200, 0);
    transform: translate(-10%, -10%);
  }
  100% {
    background-color: rgb(200, 0, 0);
    transform: translate(10%, 10%);
  }
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/web-animations/testcommon.js"></script>
<script src="/web-animations/resources/timing-utils.js"></script>
<body>
<div id="target" class="container"></div>

<script>
  async function runTest() {
    await waitForCompositorReady();
    await document.getAnimations()[0].ready;

    document.querySelector("#target").classList.add("offset-position");

    waitForAnimationTime(document.getAnimations()[0], 10).then(takeScreenshot);
  }
  window.addEventListener('load', runTest);
</script>
</body>
</html>

/css/css-backgrounds/animations/background-color-animation-ref.html

<!DOCTYPE html>
<body>
  <canvas id="canvas" width="100" height="100"></canvas>
</body>
<script>
  var canvas = document.getElementById('canvas');
  var ctx = canvas.getContext('2d');
  ctx.fillStyle = 'rgb(100, 100, 0)';
  ctx.fillRect(0, 0, 100, 100);
</script>