settings-line.html | Explore in Territory

<!doctype html>
<!-- DO NOT EDIT! This file and support/settings-line.vtt are generated. -->
<!-- See /webvtt/parsing/file-parsing/README.md -->
<meta charset=utf-8>
<title>WebVTT parser test: settings, line</title>
<link rel="help" href="https://w3c.github.io/webvtt/#collect-webvtt-cue-timings-and-settings">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
var t = async_test('settings, line');
t.step(function(){
    var video = document.createElement('video');
    var track = document.createElement('track');
    assert_true('src' in track, 'track element not supported');
    track.src = 'support/settings-line.vtt';
    track['default'] = true;
    track.kind = 'subtitles';
    track.onload = this.step_func(trackLoaded);
    track.onerror = this.step_func(trackError);
    video.appendChild(track);
    document.body.appendChild(video);
});

function trackLoaded(event) {
    var track = event.target;
    var video = track.parentNode;
    var cues = video.textTracks[0].cues;
    {
assert_equals(cues.length, 46);

// Test starts with simple valid values
var valid_values = [
    -1,
    0,
    0,
    1,
    100,
    101,
    65536,
    4294967296,
    18446744073709552000,
    10000000000000000000000000000000000,
    1.5,
    Number.MAX_VALUE,
    -1 * Number.MAX_VALUE,
    Number.MIN_VALUE,
    0, // Less than Number.MIN_VALUE
];
valid_values.forEach(function(valid, index) {
    assert_equals(cues[index].line, valid, 'Failed with cue ' + index);
    assert_true(cues[index].snapToLines, 'Failed with cue ' + index);
});

// Then a set of invalid ones
var invalid_length = 23;
for (var i = 0; i < invalid_length; i++) {
    var index = valid_values.length + i;

    assert_equals(cues[index].line, 'auto', 'Failed with cue ' + index);
    assert_true(cues[index].snapToLines, 'Failed with cue ' + index);
}

// Then more specific tests
var index = valid_values.length + invalid_length;

assert_equals(cues[index].line, 0);
assert_false(cues[index].snapToLines);

assert_equals(cues[index + 1].line, 0);
assert_false(cues[index + 1].snapToLines);

assert_equals(cues[index + 2].line, 100);
assert_false(cues[index + 2].snapToLines);
assert_equals(cues[index + 2].lineAlign, 'start');

assert_equals(cues[index + 3].line, 100);
assert_false(cues[index + 3].snapToLines);
assert_equals(cues[index + 3].lineAlign, 'start');

assert_equals(cues[index + 4].line, 100);
assert_false(cues[index + 4].snapToLines);
assert_equals(cues[index + 4].lineAlign, 'center');

assert_equals(cues[index + 5].line, 100);
assert_false(cues[index + 5].snapToLines);
assert_equals(cues[index + 5].lineAlign, 'end');

assert_equals(cues[index + 6].line, Number.MIN_VALUE);
assert_false(cues[index + 6].snapToLines);

assert_equals(cues[index + 7].line, 0);
assert_false(cues[index + 7].snapToLines);

    }
    this.done();
}

function trackError(e) {
    assert_unreached('got unexpected error event');
}
</script>
chromium/third_party/blink/web_tests/external/wpt/webvtt/parsing/file-parsing/tests/settings-line.html
