能提高错误检测能力的回归测试用例集约简

Regression test suite reduction on improving fault detection capability

软件测试过程中,测试用例集的规模可能会随着软件的维护和修改而飞速地增长,使得回归测试费用大幅度增加.为降低回归测试成本,需对回归测试用例集进行约简.现有的测试用例集约简方法不仅缩小了测试用例集的规模,同时也可能削弱了错误检测能力.本文提出了一种新的约简方法,该方法在约简回归测试用例集的时候综合考虑测试用例的测试覆盖度、测试运行代价和错误检测能力3个因素.通过仿真实验表明该方法在有效约简回归测试用例集的同时能保证约简后的测试用例集的错误检测能力.

During regression testing,when software is re-tested after some modifications,the size of test suite grow significantly.Thus the costs of regression testing increase dramatically.To reduce the cost of regression testing,regression test suite reduction must be carried out.Traditional methods reduce the faults detection capability either.The new method take into account the three factors of the test coverage,test execution cost and fault detection capability.The simulation results show that the method is effective in test suite reduction and ensuring fault detection capability after test suite reduction.