IMUnit: improved multithreaded unit testing
Proceedings of the 3rd International Workshop on Multicore Software Engineering
Change-aware preemption prioritization
Proceedings of the 2011 International Symposium on Software Testing and Analysis
Research in concurrent software testing: a systematic review
Proceedings of the Workshop on Parallel and Distributed Systems: Testing, Analysis, and Debugging
Selective mutation testing for concurrent code
Proceedings of the 2013 International Symposium on Software Testing and Analysis
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Mutation testing is a method for measuring the quality of test suites. Given a system under test and a test suite, mutations are systematically inserted into the system, and the test suite is executed to determine which mutants it detects. A major cost of mutation testing is the time required to execute the test suite on all the mutants. This cost is even greater when the system under test is multithreaded: not only are test cases from the test suite executed on many mutants, but also each test case is executed for multiple possible thread schedules. We introduce a general framework that can reduce the time for mutation testing of multithreaded code. We present four techniques within the general framework and implement two of them in a tool called MuTMuT. We evaluate MuTMuT on eight multithreaded programs. The results show that MuTMuT reduces the time for mutation testing, substantially over a straightforward mutant execution and up to 77% with the advanced technique over the basic technique.