<!DOCTYPE html>
<html>
<head>
    <script src="../video-test.js"></script>
    <script src="../media-file.js"></script>
    <script type="text/javascript">
        var session, controls;

        function runTest() 
        {
            session = new MediaSession("content");
            controls = session.controls;
            controls.nextTrackEnabled = false;
            controls.previousTrackEnabled = false;
            waitForEvent('nexttrack', skipToNextTrack, false, true, controls);
            waitForEvent('previoustrack', skipToPreviousTrack, false, true, controls);

            findMediaElement();
            waitForEvent('canplaythrough', beginPlaying);
            video.src = findMediaFile("video", "../content/counting");
            video.session = session;
            waitForEvent('playing', beganPlaying, false, true, video);
        }

        function beginPlaying(event)
        {
            testExpected('video.paused', true);

            consoleWrite("Begin playing media.");
            video.play();
        }

        function beganPlaying(event)
        {
            consoleWrite("Media began playing.");
            testExpected('video.paused', false);

            if (window.internals) {
                testExpected('internals.mediaSessionCurrentState(session)', "active");

                consoleWrite("Sending Next Track media event.");
                run('internals.sendMediaControlEvent("next-track")');
                
                consoleWrite("Sending Previous Track media event.");
                run('internals.sendMediaControlEvent("previous-track")');
                
                window.setTimeout("endTest()", 200);
            } else {
                endTest();
            }
        }

        function skipToNextTrack(event)
        {
            failTest("next-track events should not be fired.");
        }

        function skipToPreviousTrack(event)
        {
            failTest("previous-track events should not be fired.");
        }
    </script>
</head>
<body onload="runTest()">
    <p>Previous/Next Track events should not be fired if previous/nextTrackEnabled are 'false'.</p>
    <video id="video" />
</body>
</html>