let count = 0 ; let value = 'foo' ; export default { props : { value ( ) { count ++ ; return value ; } } , before_test ( ) { count = 0 ; } , html : `
		<div>foo</div>
		<div>foo</div>
	` , test ( { assert , component , target } ) { value = 'bar' ; component . id = 1 ; assert . equal ( count , 4 ) ; assert . htmlEqual ( target . innerHTML , `
			<div>bar</div>
			<div>bar</div>
		` ) ; } } ;