Coverage criteria for testing of object interactions in sequence diagrams

  • Authors:

  • Atanas Rountev;Scott Kagan;Jason Sawin

  • Affiliations:

  • Ohio State University;Ohio State University;Ohio State University

  • Venue:
  • FASE'05 Proceedings of the 8th international conference, held as part of the joint European Conference on Theory and Practice of Software conference on Fundamental Approaches to Software Engineering
  • Year:
  • 2005

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Abstract

This work defines several control-flow coverage criteria for testing the interactions among a set of collaborating objects. The criteria are based on UML sequence diagrams that are reverse-engineered from the code under test. The sequences of messages in the diagrams are used to define the coverage goals for the family of criteria, in a manner that generalizes traditional testing techniques such as branch coverage and path coverage. We also describe a run-time analysis that gathers coverage measurements for each criterion. To compare the criteria, we propose an approach that estimates the testing effort required to satisfy each criterion, using analysis of the complexity of the underlying sequence diagrams. The criteria were investigated experimentally on a set of realistic Java components. The results of this study compare different approaches for testing of object interactions and provide insights for testers and for builders of test coverage tools.