test share namespac method correct option perform test share namespac object model model model manag factori creat model core factori cf model core factori build namespac hierarchi like object cf build model object cf build object cf build object cf build object cf build object cf build object cf build core helper ch model core helper equal got wrong namespac share ch share namespac equal got wrong namespac share ch share namespac equal got wrong namespac share ch share namespac equal got wrong namespac share ch share namespac equal got wrong namespac share ch share namespac share namespac didn share ch share namespac chang namespac element make sure result track equal got wrong namespac share ch share namespac ch set namespac ch set namespac equal got wrong namespac set namespac ch share namespac equal got wrong namespac set namespac ch share namespac perform test list children arrai list object root cf build children add root creat children children root namespac level children namespac tree creat depth object base children namespac level start time current time milli children size object ch share namespac base children check period ve exceed time limit current time milli start time time limit end time current time milli println iter time end time start time second println averag time share space end time start time millisec search children size total element 