Abstract
AbstractOne approach to testing concurrent programs is called reachability testing, which derives test sequences automatically and on‐the‐fly, without constructing a static model. Existing reachability testing algorithms are exhaustive in that they are intended to exercise all possible synchronization sequences of a concurrent program with a given input. In this paper, we present a new testing strategy, called t‐way reachability testing, that adopts the dynamic framework of reachability testing but selectively exercises a subset of synchronization sequences. The selection of the synchronization sequences is based on a combinatorial testing strategy called t‐way testing. We present an algorithm that implements t‐way reachability testing, and report the results of several case studies that were conducted to evaluate its effectiveness. The results indicate that t‐way reachability testing can substantially reduce the number of synchronization sequences exercised during reachability testing while still effectively detecting faults. Copyright © 2007 John Wiley & Sons, Ltd.
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