| RUN(video.src = URL.createObjectURL(mediaSource)) | |
| EVENT(sourceopen) | |
| RUN(mediaSource.duration = loader.duration()) | |
| RUN(sourceBuffer = mediaSource.addSourceBuffer(loader.type())) | |
| RUN(sourceBuffer.appendBuffer(loader.initSegment())) | |
| EVENT(update) | |
| EXPECTED (internals.mediaUsageState(video).hasVideo == 'true') OK | |
| EXPECTED (internals.mediaUsageState(video).hasAudio == 'true') OK | |
| END OF TEST | |