| PASS | sink method start should be called with the right number of arguments | |
| PASS | sink method start should be called even when it's located on the prototype chain | |
| PASS | sink method write should be called with the right number of arguments | |
| PASS | sink method write should be called even when it's located on the prototype chain | |
| PASS | sink method close should be called with the right number of arguments | |
| PASS | sink method close should be called even when it's located on the prototype chain | |
| PASS | sink method abort should be called with the right number of arguments | |
| PASS | sink method abort should be called even when it's located on the prototype chain | |