The application perspective of mutatoin testing

Research output: ThesisDissertation (TU Delft)

6 Downloads (Pure)

Abstract

The main goal of this thesis is to investigate, improve and extend the applicability of mutation testing. To seek the potential directions of how to improve and extend the applicability of mutation testing, we have started with a systematic literature review on the current state of how mutation testing is applied. The results from the systematic literature review have further guided us towards three directions of research: (1) speeding up mutation testing; (2) deepening our understanding ofmutation testing; (3) exploring new application domains ofmutation testing. For the first direction, we have leveraged compression techniques and weak mutation information to speed up mutation testing. The results have shown our proposed mutant compression techniques can effectively speed up strong mutation testing up to 94.3 times with an accuracy > 90%. Given the second direction, we are interested in gaining a better understanding of mutation testing especially in the situation where engineers cannot kill all the mutants by just adding test cases. We have investigated the relationships between code quality regarding the testability and observability, and the mutation score. We have observed a correlation between observability metrics and the mutation score. Furthermore, relatively simple refactoring operations/adding tests enable an increase in the mutation score. As for the third direction, we have explored two new application domains: one is physical computing, and the other is GPU programming. In both application domains, we have designed new mutation operators based on our observations of the common mistakes that could happen during the implementation of the software. We have found promising results in that mutation testing can help in revealing weaknesses of the test suite for both application domains. In summary, we have improved the applicability of mutation by proposing a new speed-up approach and investigating the relationship between testability/observability and mutation testing. Also, we have extended the applicability of mutation testing in physical computing and GPU programming domains.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Delft University of Technology
Supervisors/Advisors
  • Zaidman, A.E., Supervisor
  • van Deursen, A., Supervisor
  • Panichella, A., Advisor
Award date24 Jun 2020
DOIs
Publication statusPublished - 10 Jun 2020

Keywords

  • Software Testing
  • Software Quality
  • Mutation Testing

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