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AIming at to assist the definition and evolution of testing strategies, empirical studies have been conducted comparing the test criteria in terms of cost effectiveness and strength. However few studies were conducted comparing the criteria in different paradigms. This assessment is important because program paradigm can cause a big influence in the result program and the characteristics of this programs can cause influences in testing activities. This study complements another work in this group that compared the cost of Structural test technique considering the Procedural and Object Oriented paradigms. This paper presents an experimental study comparing the cost and strength of Mutation Test in Procedural and OO paradigms. Besides the evaluation of mutation test, the results of this study can be used to help teaching and training many test criteria and it may somehow contribute to teach software testing n parallel with algorithms and data structures programs. It was used a set of 32 programs of data structure programs with versions in C and Java. For this study it were used Proteum and MuClipse to execute the mutation tests. It was also evaluated the strength of a set of test cases (TC) appropriate to a program in a paradigm in the same version of the program implemented in the other paradigm of interest (cross scoring). Results indicate that both cost and strength is higher in Procedural programs than in OO. This results are certainly influenced by the set of operators built in each tool studied. It was also measured the mutation score of a subset of Proteum’s operators built to reduce the cost of Mutation Testing in Procedural programs. The mutation score obtained was satisfactory and there was a significant reduction in cost. It was also evaluated the strength of Functional and Structural techniques in Mutation Test for both paradigms. The results show that the mutation score of the set of test cases adequate to Functional and Structural techniques were in general, higher in OO paradigm than in Procedural paradigm.

Teste de mutação nos paradigmas procedimental e oo: uma avaliação no contexto de estrutura de dados