| PASS | Calling dispatchEvent(null). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (BeforeUnloadEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (CompositionEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (CustomEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (DeviceMotionEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (DeviceOrientationEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (DragEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (Event). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (Events). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (FocusEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (HashChangeEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (HTMLEvents). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (KeyboardEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (MessageEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (MouseEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (MouseEvents). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (StorageEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (SVGEvents). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (TextEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (UIEvent). | |
| PASS | If the event's initialized flag is not set, an InvalidStateError must be thrown (UIEvents). | |
| PASS | If the event's dispatch flag is set, an InvalidStateError must be thrown. | |
| PASS | Exceptions from event listeners must not be propagated. | |
| PASS | Event listeners added during dispatch should be called | |
| PASS | Capturing event listeners should be called before non-capturing ones | |