File: lineAlign.html

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<!doctype html>
<title>VTTCue.lineAlign</title>
<link rel="help" href="https://w3c.github.io/webvtt/#dom-vttcue-linealign">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.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('lineAlign' in cue, 'lineAlign is not supported');
    assert_equals(cue.lineAlign, 'start');

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

    assert_equals(cue.lineAlign, 'start');

    video.appendChild(track);
    assert_equals(cue.lineAlign, 'start');

    t.mode = 'showing';
    assert_equals(cue.lineAlign, 'start');

    cue.lineAlign = 'center';
    assert_equals(cue.lineAlign, 'center');

    cue.lineAlign = 'end';
    assert_equals(cue.lineAlign, 'end');

    ['start\u0000', 'centre', 'middle'].forEach(function(invalid) {
        cue.lineAlign = invalid;
        assert_equals(cue.lineAlign, 'end');
    });
}, document.title+', script-created cue');
</script>