Global and local testing from Message Sequence Charts

  • Authors:
  • Delphine Longuet

  • Affiliations:
  • Univ Paris-Sud, Orsay

  • Venue:
  • Proceedings of the 27th Annual ACM Symposium on Applied Computing
  • Year:
  • 2012

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Abstract

Message Sequence Charts are a widely used formalism for describing scenarios a communicating system must be able to perform. We study in this paper different formal frameworks for testing from MSCs. We first consider a setting where all the processes of the system can be controlled and observed globally. Then we study a setting where the system is tested from the point of view of each process individually, observations remaining local or being gathered at the end of each test. In each setting, we define a conformance relation based on global or local observations, for which we build an exhaustive test set. Moreover, we gather the conditions making local testing as powerful as global testing.