video-preload-none-has-disabled-controls.html

<!DOCTYPE html>
<html>
<title>Test that videos have disabled mute/fullscreen buttons before preload.</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../media-controls.js"></script>
<video controls width=400 preload=none src="../content/60_sec_video.webm"></video>
<script>
async_test(t => {
  const video = document.querySelector('video');
  const fullscreenBtn = fullscreenButton(video);
  const muteBtn = muteButton(video);

  window.onload = t.step_func(() => {
    requestAnimationFrame(function() {
      // Test that the controls are visible and look disabled.
      assert_true(isControlVisible(fullscreenBtn));
      assert_true(fullscreenBtn.disabled);
      assert_true(isControlVisible(muteBtn));
      assert_true(muteBtn.disabled);

      // Test that the fullscreen button is actually disabled.
      video.addEventListener("fullscreenchange", t.unreached_func());
      video.addEventListener("webkitfullscreenchange", t.unreached_func());
      singleTapOnControl(fullscreenBtn, t.step_func(() => {
        // Test that the mute button is actually disabled.
        assert_false(video.muted);
        singleTapOnControl(muteBtn, t.step_func_done(() => {
          assert_false(video.muted);
        }));
      }));
    });
  });
});
</script>
</html>
chromium/third_party/blink/web_tests/media/controls/video-preload-none-has-disabled-controls.html
