test pars trigger method chang event test creation delet test pars trigger chang event object tran object trig text object expr text chang effect tran check gener state text trig model facad trigger tran unexpect triggertyp instead chang event text model facad chang event trig expr model facad express trig incorrectli set chang express text model facad bodi expr equal chang text effect transit notat uml notat transit notat uml tran notat pars transit tran text pars except unexpect except remov chang event trigger trig model facad trigger tran trigger delet trig 