export default { props : { things : [ 'a' , 'b' , 'c' ] } , test ( { assert , component , target , raf } ) { const divs = target . querySelectorAll ( 'div' ) ; component . things = [ 'a' ] ; raf . tick ( 50 ) ; assert . equal ( divs [ 0 ] . foo , undefined ) ; assert . equal ( divs [ 1 ] . foo , 0.5 ) ; assert . equal ( divs [ 2 ] . foo , 0.5 ) ; raf . tick ( 100 ) ; assert . htmlEqual ( target . innerHTML , '<div>a</div>' ) ; } } ;