overflow-menu-visibility.html | Explore in Territory

<!DOCTYPE html>
<title>Ensure overflow menu buttons are visible when expected.</title>
<script src='../../resources/testharness.js'></script>
<script src='../../resources/testharnessreport.js'></script>
<script src='../media-controls.js'></script>
<video controls></video>
<script>
async_test(t => {
  const  video = document.querySelector('video');
  video.src = '../content/test.ogv';
  const track = video.addTextTrack('captions');

  video.onloadeddata = t.step_func(() => {
    const menu = overflowMenu(video);
    const button = overflowButton(video);

    assert_not_equals(getComputedStyle(button).display, 'none');
    assert_equals(getComputedStyle(menu).display, 'none');

    // Clicking on the button should show the menu.
    singleTapOnControl(button, t.step_func_done(() => {
      assert_not_equals(getComputedStyle(menu).display, 'none');
    }));
  });
});
</script>

chromium/third_party/blink/web_tests/media/controls/overflow-menu-visibility.html