Model-Based Robustness Testing in Event-B Using Mutation

Abstract : Robustness testing aims at finding errors in a system under invalid conditions, such as unexpected inputs. We propose a robust-ness testing approach for Event-B based on specification mutation and model-based testing. We assume that a specification describes the valid inputs of a system. By applying negation rules, we mutate the precondition of events to explore invalid behaviour. Tests are generated from the mutated specification using ProB. ProB has been adapted to efficiently process mutated events. Mutated events are statically checked for satisfiability and enability using constraint satisfaction, to prune the transition search space. This has dramatically improve the performance of test generation. The approach is applied to the Java Card bytecode verifier. Large mutated specifications (containing 921 mutated events) can be easily tackled to ensure a good coverage of the robustness test space.
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Radu Calinescu; Bernhard Rumpe SEFM 2015 - 13th International Conference Software Engineering and Formal Methods, Jan 2015, York, United Kingdom. Springer, Lecture Notes in Computer Science Volume 9276 (Volume 9276 ), pp.132-147, 2015, Software Engineering and Formal Methods. 〈10.1007/978-3-319-22969-0_10〉
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Aymerick Savary, Marc Frappier, Michael Leuschel, Jean-Louis Lanet. Model-Based Robustness Testing in Event-B Using Mutation. Radu Calinescu; Bernhard Rumpe SEFM 2015 - 13th International Conference Software Engineering and Formal Methods, Jan 2015, York, United Kingdom. Springer, Lecture Notes in Computer Science Volume 9276 (Volume 9276 ), pp.132-147, 2015, Software Engineering and Formal Methods. 〈10.1007/978-3-319-22969-0_10〉. 〈hal-01250594〉

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