align.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /webvtt/api/VTTCue/align.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>VTTCue.align</title>

<link rel="help" href="https://w3c.github.io/webvtt/#dom-vttcue-align">

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

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

<script src=common.js></script>

<div id=log></div>

<script>

test(function(){

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

    document.body.appendChild(video);

    var cue = new VTTCue(0, 1, 'text');

    assert_true('align' in cue, 'align is not supported');

    assert_equals(cue.align, 'center');

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

    var t = track.track;

    t.addCue(cue);

    assert_equals(cue.align, 'center');

    video.appendChild(track);

    assert_equals(cue.align, 'center');

    t.mode = 'showing';

    assert_equals(cue.align, 'center');

    cue.align = 'start';

    assert_equals(cue.align, 'start');

    cue.align = 'end';

    assert_equals(cue.align, 'end');

    ['start\u0000', 'centre', 'middle'].forEach(function(invalid) {

        cue.align = invalid;

        assert_equals(cue.align, 'end');

});

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

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

t_parsed.step(function(){

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

    document.body.appendChild(video);

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

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

        var c1 = t.track.cues[0];

        var c2 = t.track.cues[1];

        var c3 = t.track.cues[2];

        var c4 = t.track.cues[3];

        assert_equals(c1.align, 'center');

        assert_equals(c2.align, 'start');

        assert_equals(c3.align, 'center');

        assert_equals(c4.align, 'end');

        this.done();

});

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

      assert_unreached('got error event');

});

    t.src = make_vtt_track('WEBVTT\n\n00:00:00.000 --> 00:00:00.001\ntest\n\n'+

                           '00:00:00.000 --> 00:00:00.001 align:start\ntest\n\n'+

                           '00:00:00.000 --> 00:00:00.001 align:center\ntest\n\n'+

                           '00:00:00.000 --> 00:00:00.001 align:end\ntest', this);

    t.track.mode = 'showing';

    video.appendChild(t);

});

</script>