oncuechange.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/media-elements/interfaces/TextTrack/oncuechange.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>TextTrack.oncuechange</title>

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

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

<div id=log></div>

<script>

setup(function(){

    window.video = document.createElement('video');

    window.t1 = video.addTextTrack('subtitles');

    window.ev = new Event('cuechange');

    window.ran = false;

    window.cb = function() { ran = true; };

});

test(function(){

    assert_equals(t1.oncuechange, null);

    t1.oncuechange = cb;

    t1.dispatchEvent(ev);

    assert_true(ran);

    t1.oncuechange = null;

    ran = false;

    t1.dispatchEvent(ev);

    assert_false(ran);

});

test(function(){

    t1.addEventListener('cuechange', cb, false);

    t1.dispatchEvent(ev);

    assert_true(ran);

    t1.removeEventListener('cuechange', cb, false);

    ran = false;

    t1.dispatchEvent(ev);

    assert_false(ran);

}, 'TextTrack.addEventListener/removeEventListener');

</script>