track-addtrack-kind.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-addtrack-kind.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>addTextTrack() only accepts known "kind" values</title>

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

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

<script>

test(function() {

    var trackCount = 0;

    function addTrack(type) {

        video.addTextTrack(type);

        assert_equals(video.textTracks.length, ++trackCount);

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

    assert_equals(video.textTracks.length, 0);

    assert_throws_js(TypeError, function() { video.addTextTrack("kaptions"); });

    assert_equals(video.textTracks.length, 0);

    addTrack("subtitles");

    addTrack("captions");

    addTrack("descriptions");

    addTrack("chapters");

    addTrack("metadata");

});

</script>