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Combinatorial interaction testing (CIT) is a method to sample configurations of a software system systematically for testing. Many algorithms have been developed that create CIT samples, however few have considered the practical concerns that arise when adding constraints between combinations of options. In this paper, we survey constraint handling(More)
Software system faults are often caused by unexpected interactions among components. Yet the size of a test suite required to test all possible combinations of interactions can be prohibitive in even a moderately sized project. Instead, we may use pairwise or t-way testing to provide a guarantee that all pairs or t-way combinations of components are tested(More)
Pairwise coverage of factors affecting software has been proposed to screen for potential errors. Techniques to generate test suites for pairwise coverage are evaluated according to many criteria. A small number of tests is a main criterion , as this dictates the time for test execution. Random-ness has been exploited to search for small test suites, but(More)
Software product line modeling has received a great deal of attention for its potential in fostering reuse of software artifacts across development phases. Research on the testing phase, has focused on identifying the potential for reuse of test cases across product line instances. While this offers potential reductions in test development effort for a(More)
Recent advances in automated functional testing of Graphical User Interfaces (GUIs) rely on deriving graph models that approximate all possible sequences of events that may be executed on the GUI, and then use the graphs to generate test cases (event sequences) that achieve a specified coverage goal. However, because these models are only approximations of(More)
Testing systems with large configurations spaces that change often is a challenging problem. The cost and complexity of QA explodes because often there isn't just one system, but a multitude of related systems. Bugs may appear in certain configurations, but not in others.The Skoll system and process has been developed to test these types of systems through(More)