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Reliability-estimation and stopping-rules for software testing, based on repeated appearances of bugs

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2 Author(s)
Yang, M.C.K. ; Florida Univ., Gainesville, FL, USA ; Chao, Anne

Software-testing (debugging) is one of the most important components in software development. An important question in the debugging process is, when to stop. The choice is usually based on one of two decision criteria: (1) when the reliability has reached a given threshold, and (2) when the gain in reliability cannot justify the testing cost. Various stopping rules and software reliability models are compared by their ability to deal with these two criteria. Two new stopping rules, initiated by theoretical study of the optimal stopping rule based on cost, are more stable than other rules for a large variety of bug structures. The 1-step-ahead stopping rules based on the Musa et. al. basic execution and logarithmic Poisson models, as well as the stopping rule by Dalal and Mallows (1990), work well for software with many relatively small bugs (bugs with very low occurrence rates). The comparison was done by simulation

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Reliability, IEEE Transactions on  (Volume:44 ,  Issue: 2 )