track-webvtt-header-checks.html

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

<!DOCTYPE html>

<title>Check handling of header lengths and name</title>

<script src="track-helpers.js"></script>

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

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

<video>

    <track src="resources/header-empty-after.vtt">

    <track src="resources/header-newlines-after.vtt">

    <track src="resources/header-too-short.vtt">

    <track src="resources/header-invalid-equal.vtt">

</video>

<script>

async_test(function(t) {

    var video = document.querySelector("video");

    var trackElements = document.querySelectorAll("track");

    trackElements[0].onload = t.step_func(trackLoaded);

    trackElements[1].onload = t.step_func(trackLoaded);

    trackElements[2].onerror = t.step_func(trackLoaded);

    trackElements[3].onerror = t.step_func(trackLoaded);

    enableAllTextTracks(video.textTracks);

    var numberOfTracksLoaded = 0;

    function trackLoaded() {

        numberOfTracksLoaded++;

        if (numberOfTracksLoaded != trackElements.length)

            return;

        for (let i = 0; i < trackElements.length; i++) {

            assert_cues_equal(video.textTracks[i].cues, []);

        t.done();

});

</script>