addCue.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/media-elements/interfaces/TextTrack/addCue.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>TextTrack.addCue()</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<div id=log></div>

<script>

setup(function(){

    window.video = document.createElement('video');

    document.body.appendChild(video);

});

test(function() {

    var t1 = video.addTextTrack('subtitles');

    var t2 = video.addTextTrack('subtitles');

    var c1 = new VTTCue(0, 1, 'text1');

    t1.addCue(c1);

    t2.addCue(c1);

    assert_equals(c1.track, t2);

}, document.title+', adding a cue to two different tracks');

test(function() {

    var t1 = video.addTextTrack('subtitles');

    var c1 = new VTTCue(0, 1, 'text1');

    t1.addCue(c1);

    assert_equals(c1.track, t1);

    t1.addCue(c1);

    assert_equals(c1.track, t1);

}, document.title+', adding a cue to a track twice');

test(function() {

    var t1 = video.addTextTrack('subtitles');

    var t2 = video.addTextTrack('subtitles');

    var c1 = new VTTCue(0, 1, 'text1');

    t1.addCue(c1);

    assert_equals(c1.track, t1);

    t1.removeCue(c1);

    assert_equals(c1.track, null);

    t2.addCue(c1);

    assert_equals(c1.track, t2);

}, document.title+', adding a removed cue to a different track');

test(function() {

    var t1 = video.addTextTrack('subtitles');

    var c1 = new VTTCue(0, 1, 'text1');

    t1.addCue(c1);

    assert_equals(t1.cues.length, 1, 't1.cues.length after first addition');

    t1.removeCue(c1);

    assert_equals(t1.cues.length, 0, 't1.cues.length after removal');

    t1.addCue(c1);

    assert_equals(t1.cues.length, 1, 't1.cues.length after second addition');

}, document.title+', adding an associated but removed cue to the same track');

var t = async_test(document.title+', adding a cue associated with a track element to other track');

t.step(function(){

    var t1 = video.addTextTrack('subtitles');

    var track = document.createElement('track');

    track.onload = t.step_func(function(){

        var cue = track.track.cues[0];

        track.track.removeCue(cue);

        t1.addCue(cue);

        assert_equals(cue.track, t1);

        t.done();

});

    track.onerror = t.step_func(function() {

      assert_unreached('got error event');

});

    track.src= 'data:text/vtt,'+encodeURIComponent('WEBVTT\n\n00:00:00.000 --> 00:00:01.000\ntest\n');

    track.kind = 'subtitles';

    track.track.mode = 'hidden';

    video.appendChild(track);

});

</script>