media-source/mediasource-endofstream.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Calls to MediaSource.endOfStream() without error</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="mediasource-util.js"></script>
<script>
    mediasource_test(function(test, mediaElement, mediaSource)
    {
        mediaSource.duration = 2;
        mediaSource.endOfStream();
        assert_equals(mediaSource.duration, 0);
        test.done();
    }, 'MediaSource.endOfStream(): duration truncated to 0 when there are no buffered coded frames');

    mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
    {
        sourceBuffer.appendBuffer(mediaData);
        test.expectEvent(sourceBuffer, 'updateend',
          'Media buffer appended to SourceBuffer');
        test.waitForExpectedEvents(function()
        {
            mediaSource.endOfStream();
            test.expectEvent(mediaElement, 'canplaythrough',
              'Media element may render the media content until the end');
        });

        test.waitForExpectedEvents(function()
        {
            assert_equals(mediaElement.readyState, HTMLMediaElement.HAVE_ENOUGH_DATA,
              'Media element has enough data to render the content');
            test.done();
        });
    }, 'MediaSource.endOfStream(): media element notified that it now has all of the media data');

    mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
    {
        sourceBuffer.appendBuffer(mediaData);
        test.expectEvent(sourceBuffer, 'updateend',
          'Media buffer appended to SourceBuffer');
        test.waitForExpectedEvents(function()
        {
            assert_equals(sourceBuffer.buffered.length, 1,
              'Media data properly buffered');
            var highestEndTime = sourceBuffer.buffered.end(0);

            // Note that segmentInfo.duration is expected to also be the
            // highest track buffer range end time. Therefore, endOfStream() should
            // not change duration with this media.
            assert_approx_equals(segmentInfo.duration, mediaSource.duration, 0.001,
                'SegmentInfo duration should initially roughly match mediaSource duration');
            assert_less_than_equal(highestEndTime, mediaSource.duration,
                'Media duration may be slightly longer than intersected track buffered ranges');

            // Set the duration even higher, then confirm that endOfStream() drops it back to be
            // the highest track buffer range end time.
            mediaSource.duration += 10;
            mediaSource.endOfStream();

            assert_equals(sourceBuffer.buffered.length, 1,
              'Media data properly buffered after endOfStream');

            assert_approx_equals(segmentInfo.duration, mediaSource.duration, 0.001,
                'SegmentInfo duration should still roughly match mediaSource duration');
            assert_less_than_equal(highestEndTime, mediaSource.duration,
                'Media duration may be slightly longer than intersected track buffered ranges');
            assert_equals(sourceBuffer.buffered.end(0), mediaSource.duration,
                'After endOfStream(), highest buffered range end time must be the highest track buffer range end time');

            test.done();
        });
    }, 'MediaSource.endOfStream(): duration and buffered range end time before and after endOfStream');
</script>