Heuristics for ioco-based test-based modelling

  • Authors:
  • Tim A. C. Willemse

  • Affiliations:
  • Institute for Computing and Information Sciences, Radboud University, Nijmegen, The Netherlands

  • Venue:
  • FMICS'06/PDMC'06 Proceedings of the 11th international workshop, FMICS 2006 and 5th international workshop, PDMC conference on Formal methods: Applications and technology
  • Year:
  • 2006

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Abstract

Model-based conformance testing provides a mathematically sound technique to assess the quality of systems and check the correctness of a system with respect to a model. Most systems, however, are built or modified without documenting the (new) specifications, thereby limiting the use of model-based testing techniques. In this paper, we describe a method to obtain models automatically from an existing system, using model-based testing techniques relying on ioco-based testing. These models are useful for e.g. regression testing, or for the testing of different configurations of systems. We illustrate the effectiveness of our approach using a case-study in which we test mutants of the system against models that have been automatically extracted from the (correct) system.