File: track-disabled-addcue.html

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<!DOCTYPE html>
<title>Adding cues to a disabled text track</title>
<script src="/common/media.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(function(t) {
    var cueDuration = 0.1;
    var video = document.createElement("video");
    var track = video.addTextTrack("subtitles");
    track.mode = "disabled";

    for (var i = 0; i < 10; ++i) {
        var start = i * cueDuration;
        var end = start + cueDuration;
        track.addCue(new VTTCue(start, end, "Test Cue " + i));
    }

    // Waiting for 2 cue durations to elapse.
    video.ontimeupdate = t.step_func(function(event) {
        if (event.target.currentTime < (2 * cueDuration))
            return;

        // End test after at least 2 cueDurations to make sure the test
        // would have gone through the period where the first 2 cues would
        // have been rendered if the track was not disabled.
        t.done();
    });

    video.src = getVideoURI("/media/test");
    video.play();
});
</script>