export default { test ( { assert , component , window } ) { assert . deepEqual ( component . events , [ ] ) ; const event1 = new window . Event ( 'mouseenter' ) ; window . document . body . dispatchEvent ( event1 ) ; assert . deepEqual ( component . events , [ 'enter' ] ) ; const event2 = new window . Event ( 'mouseleave' ) ; window . document . body . dispatchEvent ( event2 ) ; assert . deepEqual ( component . events , [ 'enter' , 'leave' ] ) ; } } ;