GiGAn: evolutionary mutation testing for C++ object-oriented systems
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Author/sDelgado-Pérez, Pedro; Medina Bulo, Inmaculada; Segura, Sergio; García Domínguez, Antonio; Domínguez Jiménez, Juan José
SourceSAC '17: Proceedings of the Symposium on Applied Computing, April 2017 Pages 1387–1392
The reduction of the expenses of mutation testing should be based on well-studied cost reduction techniques to avoid biased results. Evolutionary Mutation Testing (EMT) aims at generating a reduced set of mutants by means of an evolutionary algorithm, which searches for potentially equivalent and difficult to kill mutants to help improve the test suite. However, there is little evidence of its applicability to other contexts beyond WS-BPEL compositions. This study explores its performance when applied to C++ object-oriented programs thanks to a newly developed system, GiGAn. The conducted experiments reveal that EMT shows stable behavior in all the case studies, where the best results are obtained when a low percentage of the mutants is generated. They also support previous studies of EMT when compared to random mutant selection, reinforcing its use for the goal of improving the fault detection capability of the test suite.