export default { props : { a : 42 } , test ( { assert , component , target , window } ) { const input = target . querySelector ( 'input' ) ; assert . equal ( input . value , '42' ) ; const event = new window . Event ( 'input' ) ; input . value = 43 ; input . dispatchEvent ( event ) ; assert . equal ( input . value , '43' ) ; assert . equal ( component . a , 43 ) ; } } ;