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

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

    function runTest()
    {
        findMediaElement();

        source = new MediaSource();
        waitForEventOn(source, 'sourceopen', sourceOpen);
        run('video.src = URL.createObjectURL(source)');
    }

    function sourceOpen()
    {
        run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
        waitForEventOn(sourceBuffer, 'updateend', loadSamples1, false, true);
        initSegment = makeAInit(3, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]);
        run('sourceBuffer.appendBuffer(initSegment)');
    }

    function loadSamples1()
    {
        samples = concatenateSamples([
            makeASample(1, 1, 1, 1, 1, SAMPLE_FLAG.SYNC, 0),
        ]);
        waitForEventOn(sourceBuffer, 'updateend', loadSamples2, false, true);
        run('sourceBuffer.appendBuffer(samples)');
    }

    function loadSamples2()
    {
        samples = concatenateSamples([
            // New Coded Frame Group (DTS went backwards)
            makeASample(0, 0, 1, 1, 1, SAMPLE_FLAG.SYNC, 0),
            makeASample(1, 1, 2, 1, 1, SAMPLE_FLAG.SYNC, 0), // duration = 2
        ]);
        waitForEventOn(sourceBuffer, 'updateend', samplesAdded, false, true);
        run('sourceBuffer.appendBuffer(samples)');
    }

    function samplesAdded()
    {
        bufferedSamples = internals.bufferedSamplesForTrackID(sourceBuffer, 1);
        bufferedSamples.forEach(consoleWrite);

        testExpected("sourceBuffer.buffered.length", 1);
        testExpected("sourceBuffer.buffered.start(0)", 0);
        testExpected("sourceBuffer.buffered.end(0)", 3);

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