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In continuous integration, a tight integration of test case prioritization techniques and fault-localization techniques may both expose failures faster and locate faults more effectively. Statistical fault-localization techniques use the execution information collected during testing to locate faults. Executing a small fraction of a prioritized test suite reduces the cost of testing, and yet the subsequent...
Programs using service-oriented architecture (SOA) often feature ultra-late binding among components. These components have well-defined interfaces and are known as Web services. Messages between every pair of Web services dually conform to the output interface of a sender and the input interface of a receiver. Unit testing of Web services should not only test the logic of Web services, but also assure...
Fault localization is a major activity in software debugging. Many existing statistical fault localization techniques compare feature spectra of successful and failed runs. Some approaches, such as SOBER, test the similarity of the feature spectra through parametric self-proposed hypothesis testing models. Our finding shows, however, that the assumption on feature spectra forming known distributions...
Tabular expressions have been used in industry for many years to precisely document software in a readable notation. In this paper, we propose a fault-based testing technique that traces the propagation of faults from the expression in each cell of a tabular expression to the output of the program under test. The technique has been formalized in the form of abstract test case constraints also represented...
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