Deussen, P.H.P.H.DeussenTobies, S.S.Tobies2022-03-092022-03-092002https://publica.fraunhofer.de/handle/publica/34113510.1007/3-540-36135-9_8We give a formalization of the notion of test purpose based on (suitably restricted) Message Sequence Charts. We define the validity of test cases with respect to such a formal test purpose and provide a simple decision procedure for validity.enformal test purposetest case validitymessage sequence chartdecision procedure004400conference paper