| PASS Test correctly reset appendWindowStart and appendWindowEnd values | |
| PASS Test set wrong values to appendWindowStart and appendWindowEnd. | |
| PASS Test set correct values to appendWindowStart and appendWindowEnd. | |
| PASS Test appendwindow throw error when mediasource object is not associated with a sourebuffer. | |
| PASS Test set appendWindowStart and appendWindowEnd when source buffer updating. | |
| PASS Test appendWindowStart and appendWindowEnd value after a sourceBuffer.abort(). | |
| PASS Test read appendWindowStart and appendWindowEnd initial values. | |