
PASS When an event is created, defaultPrevented should be initialized to false. 
PASS initEvent should work correctly (not cancelable). 
PASS preventDefault() should not change defaultPrevented if cancelable is false. 
PASS returnValue should not change defaultPrevented if cancelable is false. 
PASS initEvent should work correctly (cancelable). 
PASS preventDefault() should change defaultPrevented if cancelable is true. 
PASS returnValue should change defaultPrevented if cancelable is true. 
PASS initEvent should unset defaultPrevented.