Using mutual information to test from Finite State Machines: Test suite selection
Using mutual information to test from Finite State Machines: Test suite selection
复制标题
使用相互信息从有限状态机进行测试:测试套件选择
DOI:
10.1016/j.infsof.2020.106498
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发表时间:
2021
影响因子:
3.9
通讯作者:
Ibias A
中科院分区:
文献类型:
--
作者:
Ibias A
ContextMutual Information is an information theoretic measure designed to quantify the amount of similarity between two random variables ranging over two sets. In this paper, we adapt this concept and show how it can be used to select agoodtest suite to test from a Finite State Machine (FSM) based on amaximise diversityapproach.ObjectiveThe main goal of this paper is to use Mutual Information in order to select test suites to test fromFSMs and evaluate whether we obtain better results, concerning the quality of the selected test suite, than current state-of-the-art measures.MethodFirst, we defined our scenario. We considered the case where we receive two (or more) test suites and we have to choose between them. We were interested in this scenario because it is a recurrent case in regression testing. Second, we defined our notion based on Mutual Information: Biased Mutual Information. Finally, we carried out experiments in order to evaluate the measure.ResultsWe obtained experimental evidence that demonstrates the potential value of the measure. We also showed that the time needed to compute the measure is negligible when compare to the time needed to apply extra testing. We compared our measure with a state-of-the-art test selection measure and showed that our proposal outperforms it. Finally, we have compared our measure with a notion of transition coverage. Our experiments showed that our measure is slightly worse than transition coverage, as expected, but its computation is 10 times faster.ConclusionOur experiments showed that Biased Mutual Information is a good measure for selecting test suites, outperforming the current state-of-the-art measure, and having a (negative) correlation to fault coverage. Therefore, we can conclude that our new measure can be used to select the test suite that is likely to find more faults. As a result, it has the potential to be used to automate test generation.
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