media-playback-while-not-visible-permission-policy-cant-play-if-hidden.html

<!DOCTYPE html>
<title>Test behavior of HTMLMediaElements with the media-playback-while-not-rendered permission policy</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<body>
<iframe id="video-iframe" allow="media-playback-while-not-visible 'none'; autoplay *" style="display: none;" srcdoc="<!DOCTYPE html><video loop></video>"></iframe>
<iframe id="audio-iframe" allow="media-playback-while-not-visible 'none'; autoplay *" style="display: none;" srcdoc="<!DOCTYPE html><audio loop></audio>"></iframe>
<script>
  internals.settings.setAutoplayPolicy('no-user-gesture-required');
  console.log(internals.runtimeFlags.mediaPlaybackWhileNotVisiblePermissionPolicyEnabled)

  async_test(function(t) {
    let iframe = document.getElementById('video-iframe');

    iframe.onload = t.step_func(function() {
      let video = iframe.contentDocument.querySelector("video")
      video.src = "content/test.ogv"
      assert_true(video.paused);

      video.play().then(t.unreached_func("Unrendered video element should not be allowed to play."), (e) => {
        assert_true(e.name == 'AbortError');
        t.done();
      })
    })
  }, "When media-playback-while-not-visible permission policy is set, video elements in non-rendered iframes shouldn't be allowed to play");

  async_test(function(t) {
    let iframe = document.getElementById('audio-iframe');

    iframe.onload = t.step_func(function() {
      let audio = iframe.contentDocument.querySelector("audio")
      audio.src = "content/test.oga"
      assert_true(audio.paused);

      audio.play().then(t.unreached_func("Unrendered audio element should not be allowed to play."), (e) => {
        assert_true(e.name == 'AbortError');
        t.done();
      })
    })
  }, "When media-playback-while-not-visible permission policy is set, audio elements in non-rendered iframes shouldn't be allowed to play");
</script>
</body>
chromium/third_party/blink/web_tests/media/media-playback-while-not-visible-permission-policy-cant-play-if-hidden.html
