Exploring efficient, reliable test case design methods has been tester pursuit of the goal. Along with the aerospace software logic complexity of improving and software scale enlarging, this requirement also gets more compelling. Test case design techniques suited for MC/DC improved test case design efficiency, increase the test coverage. It is suitable to test the software that logical relationship is complicated comparatively. Some software test tools provide the function to calculate the test coverage. And it can assess the test cases whether on the MC/DC or not. But the software tester needs the reverse thinking. The paper puts forward that design the test case by Unique-cause and Masking approach. And it proposes automatic generation method of test case on MC/DC. It improved the efficiency and correctness of generation the test case set on DC/DC.
In order to detect the errors in the software as much as possible and produce the software products with high quality, it is particularly important to do the quality evaluation of software testing work. In this paper the author did research of measurement of effectiveness of software testing from three aspects of testing method, testing process and testing result. Summarized the present technology condition of measurement of effectiveness of software testing at home and abroad, improved model of measurement of process of effectiveness of software testing, did the experiment of white box testing coverage rate and got the rough measurement value. The use of the proposed measure the effectiveness of software testing methods, analysis of data collected metrics, and then proposed to improve software testing techniques and software testing methods, so that make software testing effectively exert its positive function.
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