animation-paused-hardware.html | Explore in Territory

<!doctype html>
<html>
<head>
  <title>Test that paused composited animations do not animate</title>
  <style>
    #box {
      background-color: coral;
      height: 100px;
      width: 100px;
      opacity: 1.0;
      animation-play-state: paused;
      animation-duration: 10s;
      animation-timing-function: linear;
      animation-name: fade;
      animation-fill-mode: forwards;
    }

    @keyframes fade {
      to { opacity: 0.3; }
    }
  </style>
  <script src="resources/animation-test-helpers.js" type="text/javascript"></script>
  <script type="text/javascript">
    const expectedValues = [
      // [time, element-id, property, expected-value, tolerance]
      [0.2, "box",  "opacity", 1, 0.002],
    ];

    const doPixelTest = true;
    const disablePauseAnimationAPI = true;
    runAnimationTest(expectedValues, null, null, disablePauseAnimationAPI, doPixelTest);
  </script>
</head>
<body>
  <div id="box"></div>
  <div id="result"></div>
</body>
</html>

chromium/third_party/blink/web_tests/animations/animation-paused-hardware.html