line.html - mozsearch

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

<!doctype html>

<title>VTTCue.line</title>

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

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

    assert_true('line' in c1, 'line is not supported');

    assert_equals(c1.line, "auto");

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

    var t = track.track;

    t.addCue(c1);

    assert_equals(c1.line, "auto");

    video.appendChild(track);

    assert_equals(c1.line, "auto");

    t.mode = 'showing';

    assert_equals(c1.line, "auto");

    var c2 = new VTTCue(0, 1, 'text2');

    var track2 = document.createElement('track');

    var t2 = track2.track;

    t2.addCue(c2);

    assert_equals(c2.line, "auto");

    video.appendChild(track2);

    t2.mode = 'showing';

    assert_equals(c2.line, "auto");

    assert_equals(c1.line, "auto");

    c1.line = -5;

    assert_equals(c1.line, -5);

    assert_equals(c2.line, "auto");

    c1.line = 0;

    c1.snapToLines = false;

    assert_equals(c1.line, 0);

    assert_equals(c2.line, "auto");

}, 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];

        assert_equals(c1.line, "auto");

        assert_equals(c2.line, 0);

        assert_equals(c3.line, 0);

        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 line:0\ntest\n\n'+

                           '00:00:00.000 --> 00:00:00.001 line:0%\ntest', this);

    t.track.mode = 'showing';

    video.appendChild(t);

});

</script>