unpainted-scroller.html | Explore in Territory

<!DOCTYPE html>
<style>
  #scroller {
    position: absolute;
    overflow: scroll;
    background: yellow;
    left: 10px;
    top: 10px;
    width: 100px;
    height: 0px; /* 0-height causes scroller to be unpainted. */
  }
</style>
<div id="scroller"></div>

<body>
  <script>
    scroller.animate(
      [
        {
          "transform": "translateX(-10px)",
          "opacity": "0.8",
        },
        {
          "transform": "translateX(-20px)",
          "opacity": "0.9",
        },
      ], { duration: 1000 });
    if (window.testRunner)
      testRunner.dumpAsText();
  </script>
  This test passes if it doesn't crash.
</body>

</html>

chromium/third_party/blink/web_tests/fast/scrolling/unpainted-scroller.html