<!DOCTYPE html>
<html>
    <head>
        <script src="/media-resources/video-test.js"></script>
        <script src="/media/resources/media-source/webm/segment-info.js"></script>
        <script src="media-source.js"></script>
        <script>
            var segmentHelper = new MediaSourceTest.SegmentHelper(WebMSegmentInfo.testWebM);

            function appendUntilMetadataLoaded(videoTag, doneCallback)
            {
                segmentHelper.appendMediaSegment(0);
                segmentHelper.appendMediaSegment(1);

                var eventHandler = function(event)
                {
                    videoTag.removeEventListener('loadedmetadata', eventHandler);
                    doneCallback();
                };
                videoTag.addEventListener('loadedmetadata', eventHandler);
            }

            function didNotSendInitSegmentFirst(runNextTestCase, videoTag)
            {
                consoleWrite("Test appending a media segment before sending the initialization segment.");
                segmentHelper.addSourceBuffer();
                segmentHelper.appendMediaSegment(0);
            }

            function immediateDecodeErrorViaEndOfStream(runNextTestCase, videoTag)
            {
                 consoleWrite("Test signalling a decode error with MediaSource.endOfStream.");
                 mediaSource = event.target;
                 mediaSource.endOfStream("decode");
            }

            function immediateNetworkErrorViaEndOfStream(runNextTestCase, videoTag)
            {
                consoleWrite("Test signalling a network error with MediaSource.endOfStream.");
                mediaSource = event.target;
                mediaSource.endOfStream("network");
            }

            function decodeErrorAfterHaveMetadata(runNextTestCase, videoTag)
            {
                consoleWrite("Test signalling a decode error with MediaSource.endOfStream after we have appended enough data to get to the HAVE_METADATA state.");
                mediaSource = event.target;
                segmentHelper.addSourceBuffer();
                segmentHelper.appendInitSegment();

                appendUntilMetadataLoaded(videoTag, function()
                {
                    mediaSource.endOfStream("decode");
                });
            }

            function networkErrorAfterHaveMetadata(runNextTestCase, videoTag)
            {
                consoleWrite("Test signalling a network error with MediaSource.endOfStream after we have appended enough data to get to the HAVE_METADATA state.");
                mediaSource = event.target;
                segmentHelper.addSourceBuffer();
                segmentHelper.appendInitSegment();
                appendUntilMetadataLoaded(videoTag, function()
                {
                    mediaSource.endOfStream("network");
                });
            }

            function onLoad()
            {
                findMediaElement();

                waitForEvent('loadedmetadata');
                waitForEvent('webkitsourceopen', "", false, false, mediaSource);                          
                waitForEvent('playing');
                waitForEvent('webkitsourceended', "", false, false, mediaSource);
                waitForEvent('ended');
                waitForEvent('emptied');

                segmentHelper.init(video, function(success)
                {
                    if (!success) {
                        failTest("Failed to load segment data");
                        return;
                    }

                    var testCases = [
                        didNotSendInitSegmentFirst,
                        immediateDecodeErrorViaEndOfStream,
                        immediateNetworkErrorViaEndOfStream,
                        decodeErrorAfterHaveMetadata,
                        networkErrorAfterHaveMetadata
                    ];

                    MediaSourceTest.startSourceOpenTesting(video, testCases);
                });
            }
        </script>
    </head>
    <body onload="onLoad()">
        <video> </video>
        <p>Tests error cases with MediaSource API</p>
    </body>
</html>