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- W3200750710 abstract "Search-based test case generation, which is the application of meta-heuristic search for generating test cases, has been studied a lot in the literature, lately. Since, in theory, the performance of meta-heuristic search methods is highly dependent on their hyper-parameters, there is a need to study hyper-parameter tuning in this domain. In this paper, we propose a new metric (“Tuning Gain”), which estimates how cost-effective tuning a particular class is. We then predict “Tuning Gain” using static features of source code classes. Finally, we prioritize classes for tuning, based on the estimated “Tuning Gains” and spend the tuning budget only on the highly-ranked classes. To evaluate our approach, we exhaustively analyze 1,200 hyper-parameter configurations of a well-known search-based test generation tool (EvoSuite) for 250 classes of 19 projects from benchmarks such as SF110 and SBST2018 tool competition. We used a tuning approach called Meta-GA and compared the tuning results with and without the proposed class prioritization. The results show that for a low tuning budget, prioritizing classes outperforms the alternatives in terms of extra covered branches (10 times more than a traditional global tuning). In addition, we report the impact of different features of our approach such as search space size, tuning budgets, tuning algorithms, and the number of classes to tune, on the final results." @default.
- W3200750710 created "2021-09-27" @default.
- W3200750710 creator A5042085163 @default.
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- W3200750710 date "2021-09-18" @default.
- W3200750710 modified "2023-09-26" @default.
- W3200750710 title "A pragmatic approach for hyper-parameter tuning in search-based test case generation" @default.
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- W3200750710 doi "https://doi.org/10.1007/s10664-021-10024-2" @default.
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