Harness status: OK

Found 8 tests

8 Pass
Pass	event exists on window, which is initially set to undefined
Pass	window.event is only defined during dispatch
Pass	window.event is undefined if the target is in a shadow tree (event dispatched outside shadow tree)
Pass	window.event is undefined if the target is in a shadow tree (event dispatched inside shadow tree)
Pass	window.event is undefined inside window.onerror if the target is in a shadow tree (ErrorEvent dispatched inside shadow tree)
Pass	window.event is set to the current event during dispatch
Pass	window.event is set to the current event, which is the event passed to dispatch
Pass	window.event is set to the current event, which is the event passed to dispatch (2)