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A revisit of three studies related to random testing

Science China(Information Sciences) 2015年第5期58卷 49-57页

作者： CHEN Tsong Yueh KUO Fei-Ching towey dave ZHOU Zhi Quan Department of Computer Science and Software Engineering Swinburne University of Technology School of Computer Science The University of Nottingham Ningbo China School of Computer Science and Software Engineering University of Wollongong

Software testing is an approach that ensures the quality of software through execution, with a goal being to reveal failures and other problems as quickly as possible. Test case selection is a fundamental issue in software testing, and has generated a large body of research, especially with regards to the effectiveness of random testing(RT), where test cases are randomly selected from the software’s input domain. In this paper, we revisit three of our previous studies. The first study investigated a sufficient condition for partition testing(PT)to outperform RT, and was motivated by various controversial and conflicting results suggesting that sometimes PT performed better than RT, and sometimes the opposite. The second study aimed at enhancing RT itself, and was motivated by the fact that RT continues to be a fundamental and popular testing technique. This second study enhanced RT fault detection effectiveness by making use of the common observation that failure-causing inputs tend to cluster together, and resulted in a new family of RT techniques: adaptive random testing(ART),which is random testing with an even spread of test cases across the input domain. Following the successful use of failure-causing region contiguity insights to develop ART, we conducted a third study on how to make use of other characteristics of failure-causing inputs to develop more effective test case selection strategies. This third study revealed how best to approach testing strategies when certain characteristics of the failure-causing inputs are known, and produced some interesting and important results. In revisiting these three previous studies, we explore their unexpected commonalities, and identify diversity as a key concept underlying their *** observation further prompted us to examine whether or not such a concept plays a role in other areas of software testing, and our conclusion is that, yes, diversity appears to be one of the most important concepts in the fie

关键词： adaptive random testing diversity metamorphic testing proportional sampling strategy random testing software testing

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Metamorphic testing as a test case selection strategy

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Science China(Information Sciences) 2016年第5期59卷 24-25页

作者： dave towey Yunwei DONG Chang-Ai SUN Tsong Yueh CHEN School of Computer Science The University of Nottingham Ningbo China School of Computer Science and Engineering Northwestern Polytechnical University School of Computer and Communication Engineering University of Science and Technology Beijing Department of Computer Science and Software Engineering Swinburne University of Technology

Software testing is a well-known and popular approach to ensuring quality *** involves execution of the software under test(SUT),in an attempt to either offer some degree of confidence that the software is relatively bug free,or to actually uncover bugs or problems(called failures).Software testing has been studied for many years,and has generated a large body of approaches,methods,and techniques[1].An assumption underlying many of these approaches,however,is

关键词： Oracle Metamorphic testing as a test case selection strategy MT test case

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Worst-Input Mutation Approach to Web Services Vulnerability Testing Based on SOAP Messages

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Tsinghua Science and Technology 2014年第5期19卷 429-441页

作者： Jinfu Chen Huanhuan Wang dave towey Chengying Mao Rubing Huang Yongzhao Zhan School of Computer Science and Communication Engineering Jiangsu University School of Computer Science The University of Nottingham Ningbo China School of Software and Communication Engineering Jiangxi University of Financeand Economics

The growing popularity and application of Web services have led to increased attention regarding the vulnerability of software based on these services. Vulnerability testing examines the trustworthiness and reduces the security risks of software systems. This paper proposes a worst-input mutation approach for testing Web service vulnerability based on Simple Object Access Protocol （SOAP） messages. Based on characteristics of SOAP messages, the proposed approach uses the farthest neighbor concept to guide generation of the test suite. The corresponding automatic test case generation algorithm, namely, the Test Case generation based on the Farthest Neighbor （TCFN）, is also presented. The method involves partitioning the input domain into sub-domains according to the number and type of SOAP message parameters in the TCFN, selecting the candidate test case whose distance is the farthest from all executed test cases, and applying it to test the Web service. We also implement and describe a prototype Web service vulnerability testing tool. The tool was applied to the testing of Web services on the Internet. The experimental results show that the proposed approach can find more vulnerability faults than other related approaches.

关键词： security testing Web service vulnerability SOAP message test case generation mutation operator

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“信息技术基础”课程英文教学中的问题与对策

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计算机教育 2011年第6期 77-80页

作者：黄海飞道威.大卫北京师范大学-香港浸会大学联合国际学院理工科技学部广东珠海519085

北京师范大学—香港浸会大学联合国际学院是首家中国内地与香港高等教育界合作创办的大学,实施四年全英文教育,颁发香港浸会大学学士学位。"信息技术基础"课程是学院非计算机专业学生的必修课,对提高学生计算机素养起着重要作用。文章... 详细信息

北京师范大学—香港浸会大学联合国际学院是首家中国内地与香港高等教育界合作创办的大学,实施四年全英文教育,颁发香港浸会大学学士学位。"信息技术基础"课程是学院非计算机专业学生的必修课,对提高学生计算机素养起着重要作用。文章介绍了英文讲授这门课程遇到的问题、采用的对策及教学效果。

关键词：高等教育信息技术教学语言问题与对策

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教师专业发展:内地中外合办大学与香港职业技术教育与培训机构的实践比较

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开放学习研究 2019年第3期24卷 37-47页

作者：詹姆斯·沃克大卫·道威彼得·兰姆伍钰堃吴亚婕(译) 诺丁汉大学宁波分校浙江宁波315100 香港职业训练局教学中心香港999077 北京开放大学科研外事处

本研究旨在探讨两项教师专业发展计划的影响:一所是内地的中外合办大学,另一所是香港职业技术教育与培训机构。中外合办大学的专业发展课程既有自愿性的,也有强制性的,并由高等教育机构预先认证。香港职业技术教育与培训机构的专业发展... 详细信息

本研究旨在探讨两项教师专业发展计划的影响:一所是内地的中外合办大学,另一所是香港职业技术教育与培训机构。中外合办大学的专业发展课程既有自愿性的,也有强制性的,并由高等教育机构预先认证。香港职业技术教育与培训机构的专业发展课程包括不经外部机构认证的内部强制培训。本研究的独特之处在于通过与香港职业技术教育与培训机构制订的教师能力建设计划相比较,来探究亚洲环境中英国教师专业发展干预的有效性。通过焦点小组、半结构式访谈和调查问卷收集数据,形成教师对这两种教师专业发展干预措施的意见,这些见解有助于各机构在全球扩展中制定前瞻性教师专业发展战略。

关键词：专业发展强制性培训课程高等教育创新管理职业技术教育与培训(TVET

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