track.html - mozsearch

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

<!doctype html>

<title>TextTrackCue.track</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');

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

    document.body.appendChild(video);

});

test(function(){

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

    assert_equals(c1.track, null);

    t1.addCue(c1);

    assert_equals(c1.track, t1);

    t1.removeCue(c1);

    assert_equals(c1.track, null);

}, document.title+', script-created cue');

var t_parsed = async_test(document.title+', parsed cue');

t_parsed.step(function(){

    var t = document.createElement('track');

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

        var c = t.track.cues[0];

        assert_equals(c.track, t.track);

        t.track.removeCue(c);

        assert_equals(c.track, null);

        this.done();

});

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

      assert_unreached('got error event');

});

    t.src = 'data:text/vtt,'+encodeURIComponent('WEBVTT\n\n00:00:00.000 --> 00:00:00.001\ntest');

    t.track.mode = 'showing';

    video.appendChild(t);

});

</script>