test set target test set target object test object equal target manag instanc target target manag instanc set target test equal test target manag instanc target target manag instanc set target equal target manag instanc target target listen listen test target listen target manag instanc add target listen listen target set call target set object target manag instanc set target test target set call arrai equal object test target set object target set call target manag instanc set target test target set call target manag instanc remov target listen listen 