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Combinatorial testing has been shown to be a very effective testing strategy. After a failure is detected, the next task is to identify the fault that causes the failure. In this paper, we present an approach to fault localization that leverages the result of combinatorial testing. Our approach is based on a notion called failure-inducing combinations. A combination is failure-inducing if it causes...
Software fault diagnosis is a process of locating the source of faults based on the testing result (pass or fail) of each test case. It plays an important role in software debugging. However, because of the continuous expansion in software size and complexity, it becomes more and more difficult to diagnose software faults quickly and effectively. Combinatorial testing (CT) is a widely used black-box...
A t-way combinatorial test set is designed to detect failures that are triggered by combinations involving no more than t parameters. Assume that we have executed a t-way test set and some tests have failed. A natural question to ask is: What combinations have caused these failures? Identifying such combinations can facilitate the debugging effort, e.g., by reducing the scope of the code that needs...
We describe the Modern Multithreading (MM) class library. MM is a class library consisting of thread and synchronization classes that provide significant support for testing and debugging multithreaded programs. The synchronization classes implement commonly used synchronization objects such as semaphores, monitors, and asynchronous and synchronous message passing channels, for programs that run on...
With new algorithms and tools, developers can apply high-strength combinatorial testing to detect elusive failures that occur only when multiple components interact. In pairwise testing, all possible pairs of parameter values are covered by at least one test, and good tools are available to generate arrays with the value pairs. In the past few years, advances in covering-array algorithms, integrated...
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