scroll-animation-on-by-default.html

<!DOCTYPE html>
<title>Tests mouse clicks and mousewheel ticks are animated.</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../../resources/gesture-util.js"></script>
<script src="../../resources/scrollbar-util.js"></script>
<script src="../../resources/testdriver.js"></script>
<script src="../../resources/testdriver-actions.js"></script>
<script src="../../resources/testdriver-vendor.js"></script>
<body style="height: 1000px; width: 1000px">
<script>
window.onload = () => {
  const TRACK_WIDTH = calculateScrollbarThickness();
  const BUTTON_WIDTH = TRACK_WIDTH;
  const SCROLL_CORNER = TRACK_WIDTH;

  var start_offset = 0;
  var end_offset = 0;
  var animated_scroll = false;

  async function resetTest() {
    await waitForCompositorCommit();
    await waitForScrollReset(document.scrollingElement);
    assert_equals(window.scrollY, 0, "Scroller is expected to be at 0 offset.");
  }

  promise_test (async () => {
    await resetTest();

    if (!TRACK_WIDTH) {
      // Can't click on a track that is not visible.
      return;
    }

    // Click on the track part just above the down arrow.
    const x = window.innerWidth - BUTTON_WIDTH / 2;
    const y = window.innerHeight - SCROLL_CORNER - BUTTON_WIDTH - 2;

    return Promise.all([
      animatedScrollPromise(document),
      clickAndWaitForScroll(x, y)
    ]);
  }, "Test mouse click on scrollbar is animated.");

  promise_test (async () => {
    await resetTest();
    const x = window.innerWidth / 2;
    const y = window.innerHeight / 2;
    const deltaX = 0;
    const deltaY = 1000;
    return Promise.all([
      animatedScrollPromise(document),
      wheelScroll(x, y, deltaX, deltaY)
    ]);
  }, "Test mouse wheel tick is animated.");
}
</script>
</body>
chromium/third_party/blink/web_tests/fast/scrolling/scroll-animation-on-by-default.html
