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

        samples = concatenateSamples([
            makeASample(0, 0, 1, 1, 1, SAMPLE_FLAG.SYNC, 1),
            makeASample(1, 1, 1, 1, 1, SAMPLE_FLAG.NONE, 1),
            makeASample(2, 2, 1, 1, 1, SAMPLE_FLAG.NONE, 1),
        ]);
        run('sourceBuffer.appendBuffer(samples)');
        await waitFor(sourceBuffer, 'updateend');

        run('sourceBuffer.timestampOffset = 3');
        samples = concatenateSamples([
            makeASample(0, -1, 1, 1, 1, SAMPLE_FLAG.SYNC, 2),
            makeASample(2,  0, 1, 1, 1, SAMPLE_FLAG.NONE, 2),
            makeASample(1,  1, 1, 1, 1, SAMPLE_FLAG.NONE, 2),
        ]);
        run('sourceBuffer.appendBuffer(samples)');
        await waitFor(sourceBuffer, 'updateend');

        bufferedSamples = internals.bufferedSamplesForTrackID(sourceBuffer, 1);
        enqueuedSamples = internals.enqueuedSamplesForTrackID(sourceBuffer, 1);

        consoleWrite("Buffered:");
        bufferedSamples.forEach(consoleWrite);

        consoleWrite("Enqueued:");
        enqueuedSamples.forEach(consoleWrite);

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