chromium/third_party/blink/web_tests/external/wpt/css/css-masking/clip-path/animations/clip-path-animation-custom-timing-function-reverse.html

<!DOCTYPE html>
<html class="reftest-wait">
<link rel="help" href="https://drafts.csswg.org/css-shapes-1/#basic-shape-interpolation">
<link rel="match" href="clip-path-animation-custom-timing-function-reverse-ref.html">
<meta name="fuzzy" content="maxDifference=0-20; totalPixels=0-692" />
<!--
  Test that ensures that the bounding rect for a clip path animation is not
  limited to the size of the largest keyframe.a.

  This is the reverse of clip-path-animation-custom-timing-fumction.html,
  and tests extrapolation in the negative direction
-->
<style>
  @keyframes clippath {
    0% {
      clip-path: inset(45% 45%);
    }

    25% {
      clip-path: inset(49% 49%);
    }

    50% {
      clip-path: inset(45% 45%);
    }

    75% {
      clip-path: inset(40% 40%);
      animation-timing-function: cubic-bezier(0, -9, 1, -9);
      /* Test that the correct keyframe's timing function is being used. */
    }

    100% {
      clip-path: inset(45% 45%);
    }
  }

  .green {
    background-color: green;
    width: 200px;
    height: 200px;

    animation: clippath 10000000s -8717082s
      /* halfway between the second to last and last keyframes.*/
    ;
  }

</style>
<script src="/common/reftest-wait.js"></script>

<body>
  <div class="green anim"></div>

  <script>
    document.getAnimations()[0].ready.then(takeScreenshot);
  </script>
</body>

</html>