<!DOCTYPE html>
<html>
<head>
    <title>mock-media-source</title>
    <script src="mock-media-source.js"></script>
    <script src="../video-test.js"></script>
    <script>
    var source;
    var sourceBuffer;
    var initSegment;
    var initSegment2;
    var samples;

    if (window.internals)
        internals.initializeMockMediaSource();

    async function runTest() {
        findMediaElement();

        source = new MediaSource();
        testExpected('source.readyState', 'closed');

        video.srcObject = source;
        await waitFor(source, 'sourceopen');

        run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
        initSegment = makeAInit(8, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]);
        run('sourceBuffer.appendBuffer(initSegment)');
        await waitFor(sourceBuffer, 'updateend');

        run('sourceBuffer.changeType("video/mock; codecs=kcom")');

        initSegment2 = makeAInit(8, [makeATrack(1, 'kcom', TRACK_KIND.VIDEO)]);
        run('sourceBuffer.appendBuffer(initSegment2)');
        await waitFor(sourceBuffer, 'updateend');

        run('sourceBuffer.appendBuffer(initSegment2)');
        await waitFor(sourceBuffer, 'updateend');

        endTest()
    }
    
    </script>
</head>
<body onload="runTest().catch(failTest)">
    <video></video>
</body>
</html>