Mutation Testing in the Refinement Calculus |
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Authors: | Bernhard K Aichernig |
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Affiliation: | (1) United Nations University, International Institute for Software Technology (UNU/IIST), 3058, Macau (via Hong Kong) |
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Abstract: | This article discusses mutation testing strategies in the context of refinement. Here, a novel generalisation of mutation testing techniques is presented to be applied to contracts ranging from formal specifications to programs. It is demonstrated that refinement and its dual abstraction are the key notions leading to a precise and yet simple theory of mutation testing. The refinement calculus of Back and von Wright is used to express concepts like contracts, useful mutations, test cases and test coverage. |
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Keywords: | Abstraction Formal methods Formal specifications Mutation testing Refinement Test case generation Test coverage |
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