ソフトウェアの効率的デバッグ方法の分析

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It is important to use not only appropriate development methodology and development tools but also development procedures and the know-how of experts in order to develop software effectively. So far, modeling software development works and improving software quality based on the models have been discussed for each development phase, that is design, manufacture and testing. However, effective development methods such as effective development procedures and the development know-how that experts commonly use have never been studied by experiment, probably since they are sometimes difficult to treat systematically and to make models of. These lessons learned may be more useful to train novices than abstract models. Among the development phases described above, experiments on programming have been performed so far, and that of designing seems difficult. Therefore we started the experiment of debugging in the test phase. This paper reports on the effective debugging methods that were found by comparing and analyzing the debugging processes in which three subjects tried to detect and correct the faults in the same program, where 12 faults had been embedded artificially beforehand. The debugging conditions were the same. Five effective debugging methods were found by analysis and two were found by our observation. (1) Master programming language and debugging environment, (2) make a document of the debugging process, (3) consider the sequence of searching for the possible faults in the modules, (4) investigate the possible faults that are assumed to be easily detected, (5) check the value of the variables concerned after each computation is performed, (6) modify the program format to be easily understood, and (7) ask any questions to experts.
東海大学の論文
2002-03-30

ソフトウェアの効率的デバッグ方法の分析

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