track-cues-seeking.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-cues-seeking.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>TextTrack's activeCues are indexed and updated during video playback</title>

<script src="/common/media.js"></script>

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

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

<video>

    <track src="resources/cues-overlapping.vtt" kind="subtitles" default>

    <script>

    async_test(function(t) {

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

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

        track.onload = t.step_func(function() {

            assert_equals(track.track.cues.length, 3);

            video.src = getVideoURI("/media/test");

            video.currentTime = 0.5;

});

        var seekedCount = 0;

        video.onseeked = t.step_func(function() {

            ++seekedCount;

            assert_equals(video.currentTime, seekedCount * 0.5);

            assert_equals(track.track.activeCues.length, seekedCount - 1);

            video.currentTime = (seekedCount + 1) * 0.5;

            if (seekedCount == 4)

                t.done();

});

});

    </script>

</video>