| <!DOCTYPE html> |
| <title>'cuechange' event on dynamically created track element</title> |
| <meta name="timeout" content="long"> |
| <script src="/common/media.js"></script> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <video> |
| <script> |
| /** |
| * 'cuechange' event should be correctly dispatched on the dynamically created |
| * track element. |
| */ |
| promise_test(function(t) { |
| const video = document.querySelector("video"); |
| const track = document.createElement("track"); |
| track.src = "resources/cues-chrono-order.vtt"; |
| track.track.mode = "hidden"; |
| video.appendChild(track); |
| |
| const cueChangedPromise = new Promise(r => track.oncuechange = r); |
| video.src = getVideoURI("/media/test"); |
| // 'TimeMarchesOn' algorithm will be run after calling 'play()', from which |
| // the 'cuechange' event would be dispatched. |
| video.play(); |
| return cueChangedPromise; |
| }); |
| </script> |
| </video> |
