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

    var requestLength = 200000;
    var nextRequest = 0;
    var totalLength = 100;

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

    function runTest() {
        findMediaElement();
        source = new MediaSource();
        source.addEventListener('sourceopen', startLoad);
        run('video.src = URL.createObjectURL(source)');
    }

    function startLoad() {
        sourceBuffer = source.addSourceBuffer('video/mock; codecs="mock"');

        // Make an init segment with 1 video track
        var init = makeAInit(100, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]);
        waitForEventOnce('loadedmetadata', loadedMetadata);
        sourceBuffer.appendBuffer(init)
    }

    function loadedMetadata() {
        consoleWrite('Samples with presentation times after currentTime should not cause loadedData.');
        sourceBuffer.appendBuffer(makeASample(500, 500, 500, 1000, 1, SAMPLE_FLAG.SYNC));
        setTimeout(notLoadedData, 50);
    }

    function notLoadedData() {
        testExpected('video.readyState', HTMLMediaElement.HAVE_METADATA);

        consoleWrite('Samples with presentation times very close to currentTime should cause loadedData.');
        sourceBuffer.appendBuffer(makeASample(10, 10, 10, 1000, 1, SAMPLE_FLAG.SYNC));
        waitForEvent('loadeddata', loadedData);
    }

    function loadedData() {
        testExpected('video.readyState', HTMLMediaElement.HAVE_CURRENT_DATA);

        consoleWrite('Samples with presentation end times very close to currentTime should not cause canPlay.');
        sourceBuffer.appendBuffer(makeASample(20, 20, 10, 1000, 1, SAMPLE_FLAG.SYNC));
        setTimeout(notCanPlay, 50);
    }

    function notCanPlay() {
        testExpected('video.readyState', HTMLMediaElement.HAVE_CURRENT_DATA);

        consoleWrite('Continuous samples with presentation end times after currentTime should cause canPlay.');
        sourceBuffer.appendBuffer(makeASample(30, 30, 470, 1000, 1, SAMPLE_FLAG.SYNC));
        waitForEvent('canplay', canPlay);
    }

    function canPlay() {
        testExpected('video.readyState', HTMLMediaElement.HAVE_FUTURE_DATA, '>=');
        endTest();
    }
    </script>
</head>
<body onload="runTest()">
    <video controls width=960 height=510></video>
</body>
</html>