Test-data generation for control coverage by proof

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Abstract

Many tools can check if a test set provides control coverage; they are, however, of little or no help when coverage is not achieved and the test set needs to be completed. In this paper, we describe how a formal characterisation of a coverage criterion can be used to generate test data; we present a procedure based on traditional programming techniques like normalisation, and weakest precondition calculation. It is a basis for automation using an algebraic theorem prover. In the worst situation, if automation fails to produce a specific test, we are left with a specification of the compliant test sets. Many approaches to model-based testing rely on formal models of a system under test. Our work, on the other hand, is not concerned with the use of abstract models for testing, but with coverage based on the text of programs. © 2013 British Computer Society.

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Cavalcanti, A., King, S., O’Halloran, C., & Woodcock, J. (2014). Test-data generation for control coverage by proof. Formal Aspects of Computing, 26(4), 795–823. https://doi.org/10.1007/s00165-013-0279-2

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