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Research of automated test case generation for Spreadsheet Part in Document Format Translator

Chinese Journal of Electronics 2014年第2期23卷 243-247页

作者： MU Yongmin DING Yuan Beijing Information Science & Technology University

Document format translator can achieve information sharing and interoperability between the office document national standard UOF(Uniform office format) and the international standard ISO29500(Open office XML, OOXML). There are several difficult issues in the manual test of document format translator: the manual test case design is complicated due to the complexity of document standard; test case coverage rate is hard to evaluate and test blind spots are hard to avoid. This paper brings about methods to solve these problems by achieving automated test case generation. Analyzing the XML Schema of document standard in logical level, building UML object model in conceptual level, designing objectoriented algorithm based on *** platform, operate the underlying XML code of spreadsheet in physical level,and then compress underlying XML code to generate new spreadsheet documents as test case. A formal definition about the UOF document standard is presented and statistics of functional test point is conducted so as to measure test case coverage rate. Experiments have shown that this method can realize the automated generation of test cases,improve the efficiency of test work, decrease test case redundancy and avoid test blind spots.

关键词： Document format standard Office software automated test case generation XML

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Search-Based Software test Data generation for Path Coverage Based on a Feedback-Directed Mechanism

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Complex System Modeling and Simulation 2023年第1期3卷 12-31页

作者： Stuart Dereck Semujju Han Huang Fangqing Liu Yi Xiang Zhifeng Hao School of Software Engineering South China University of TechnologyGuangzhou 510006China College of Science Shantou UniversityShantou 515063China

Automatically generating test cases by evolutionary algorithms to satisfy the path coverage criterion has attracted much research attention in software *** the context of generating test cases to cover many target paths,the efficiency of existing methods needs to be further improved when infeasible or difficult paths exist in the program under *** is because a significant amount of the search budget(i.e.,time allocated for the search to run)is consumed when computing fitness evaluations of individuals on infeasible or difficult *** this work,we present a feedback-directed mechanism that temporarily removes groups of paths from the target paths when no improvement is observed for these paths in subsequent *** fulfill this task,our strategy first organizes paths into ***,in each generation,the objective scores of each individual for all paths in each group are summed *** each group,the lowest value of the summed up objective scores among all individuals is assigned as the best aggregated score for a group.A group is removed when no improvement is observed in its best aggregated score over the last two *** experimental results show that the proposed approach can significantly improve path coverage rates for programs under test with infeasible or difficult paths in case of a limited search *** particular,the feedback-directed mechanism reduces wasting the search budget on infeasible paths or on difficult target paths that require many fitness evaluations before getting an improvement.

关键词： automated test case generation software testing path coverage many-objective optimization

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