Integrating specification-based review and testing for detecting errors in programs

  • Authors:

  • Shaoying Liu

  • Affiliations:

  • Hosei University, Japan

  • Venue:
  • ICFEM'07 Proceedings of the formal engineering methods 9th international conference on Formal methods and software engineering
  • Year:
  • 2007

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Abstract

Review and testing are the most practical verification techniques that complement each other, and their effectiveness can be enhanced by utilizing formal specifications. In this paper, we describe a verification method that integrates specification-based review and testing for detecting errors of programs in three phases. First, inspection is used to check whether all the relevant conditions defined in a specification are implemented in the corresponding program and whether there are any errors that may prevent the program from normal termination. Second, testing is carried out to detect errors through dynamic executions of the program and to build a useful relation between the specification and the program. Finally, walk through analysis is performed to check whether every functional scenario defined in the specification is correctly implemented by the traversed execution paths in the program and whether any untraversed paths exist and are desired. We present an example to show how our method is applied in practice.