| <!DOCTYPE html> |
| <title>TextTrackCueList functionality: length, operator[], and getCueById()</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <video> |
| <track src="resources/settings.vtt" kind="captions" default> |
| <script> |
| async_test(function(t) { |
| var testTrack = document.querySelector("track"); |
| |
| testTrack.onload = t.step_func_done(function() { |
| var cues = testTrack.track.cues; |
| |
| // Testing TextTrackCueList length. |
| assert_equals(cues.length, 4); |
| |
| // Testing TextTrackCueList [] operator. |
| assert_equals(cues[0].id, "1"); |
| assert_equals(cues[3].id, "4"); |
| assert_equals(cues[4], undefined); |
| |
| // Testing TextTrackCueList getCueById(). |
| assert_equals(cues.getCueById("1").startTime, 0); |
| assert_equals(cues.getCueById("4").startTime, 121); |
| assert_equals(cues.getCueById("junk"), null); |
| }); |
| }); |
| </script> |
| </video> |
