The Target Speed Monitor (TSM), which performs the safety critical function of the Chinese Train Control System Level 3 (CTCS-3), is characterized by large parameter input field and fault modes triggered by complicated combinations of parameters. Although combinatorial testing has been successfully applying in testing TSM, redundant test cases are generated because of covering the parameter combinations without interaction, which leads to the problem of high test execution costs. In this paper, an automatic reduction methodology based on decision tree equivalence and test suite output labels is presented. With previous combinatorial test suite generation experiment results of CTCS-3 TSM function, after data preprocessing, some data set have been constructed by test suites and corresponding output labels and they can be used to infer decision trees. After that, the reduction algorithm was used to reduce the data set to realize the test suite reduction. Related experimental results show that this method can achieve a reduction rate of up to 90%, and at the same time, the low-level combination coverage and the fault detection capability of reduced test suites are almost the same as that before the reduction.


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    Titel :

    Combinatorial Test Suite Reduction of CTCS-3 Target Speed Monitor Based on Decision Tree Equivalence


    Beteiligte:
    Luo, Zhengwei (Autor:in) / Lv, Jidong (Autor:in) / Tang, Tao (Autor:in)


    Erscheinungsdatum :

    2021-09-19


    Format / Umfang :

    2212109 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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