<!DOCTYPE html> <!-- webkit-test-runner [ UseGPUProcessForMediaEnabled=false ] -->
<html>
<head>
    <title>media-source-webm</title>
    <script src="../../media/media-source/media-source-loader.js"></script>
    <script src="../../media/video-test.js"></script>
    <script>
    var loader;
    var source;
    var sourceBuffer;

    function loaderPromise(loader) {
        return new Promise((resolve, reject) => {
            loader.onload = resolve;
            loader.onerror = reject;
        });
    }

    window.addEventListener('load', async event => {
        try {
            window.audio = document.querySelector('audio');
            loader = new MediaSourceLoader('content/test-48kHz-vorbis-manifest.json');
            await loaderPromise(loader);

            source = new MediaSource();
            run('audio.src = URL.createObjectURL(source)');
            await waitFor(source, 'sourceopen');
            waitFor(audio, 'error').then(failTest);

            run('source.duration = loader.duration()');
            run('sourceBuffer = source.addSourceBuffer(loader.type())');
            run('sourceBuffer.appendBuffer(loader.initSegment())');
            await waitFor(sourceBuffer, 'update');

            consoleWrite('Divide the first media segment in two.');
            run('partial1 = loader.mediaSegment(0).slice(0, 280)');
            run('partial2 = loader.mediaSegment(0).slice(280)');

            consoleWrite('Append a partial media segment.')
            run('sourceBuffer.appendBuffer(partial1)');
            await waitFor(sourceBuffer, 'update');

            consoleWrite('Complete the partial media segment.')
            run('sourceBuffer.appendBuffer(partial2)');
            await waitFor(sourceBuffer, 'update');

            testExpected('sourceBuffer.buffered.length', '1');
            testExpected('sourceBuffer.buffered.end(0)', '1', '>');

            endTest();
        } catch (e) {
            failTest(`Caught exception: "${e}"`);
        }
    });
    </script>
</head>
<body>
    <audio controls></video>
</body>
</html>