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An Extension of the classification-tree method for Embedded Systems for the Description of Events

ELECTRONIC NOTES IN THEORETICAL COMPUTER SCIENCE 2006年第4期164卷 3-11页

作者： Conrad, Mirko Krupp, Alexander DaimlerChrysler AG Alt Moabit 96a D-10559 Berlin Germany Paderborn Univ CLAB D-33102 Paderborn Germany

Nowadays, model-based test approaches are indispensable for the quality assurance of in-vehicle control software. In practice, the classification-tree method for Embedded Systems (CTMEMB) is used to realize a compact graphical representation of test scenarios. Up to now, the CTMEMB has been used mainly in the area of continuous systems. Though the depiction of events within test scenarios is possible already by using existing means of description, there is still room for improvements. Thus, we will introduce in the following a novel extension of the classification-tree method for Embedded Systems for a compact, natural depiction of event-like behaviour which we will illustrate by means of several examples from the area of in-vehicle control software.

关键词： classification-tree method CTMEMB embedded systems test scenario description events

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A study on a path-based strategy for selecting black-box generated test cases

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INTERNATIONAL JOURNAL OF SOFTWARE ENGINEERING AND KNOWLEDGE ENGINEERING 2001年第2期11卷 113-138页

作者： Yu, YT Tang, SF Poon, PL Chen, TY City Univ Hong Kong Dept Comp Sci Kowloon Hong Kong Peoples R China Hong Kong Polytech Univ Dept Accountancy Kowloon Hong Kong Peoples R China Swinburne Univ Technol Sch Informat Technol Hawthorn Vic 3122 Australia

Various black-box methods for the generation of test cases have been proposed in the literature. Many of these methods, including the category-partition method and the classification-tree method, follow the approach of partition testing, in which the input domain is partitioned into subdomains according to important aspects of the specification, and test cases are then derived from the subdomains. Though comprehensive in terms of these important aspects, execution of all the test cases so generated may not be feasible under the constraint of tight testing resources. In such circumstances, there is a need to select a smaller subset of test cases from the original test suite for execution. In this paper, we propose the use of white-box information to guide the selection of test cases from the original test suite generated by a black-box testing method. Furthermore, we have developed some techniques and algorithms to facilitate the implementation of our approach, and demonstrated its viability and benefits by means of a case study.

关键词： category-partition method classification-tree method partition testing path coverage test case selection

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On the identification of categories and choices for specification-based test case generation

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INFORMATION AND SOFTWARE TECHNOLOGY 2004年第13期46卷 887-898页

作者： Chen, TY Poon, PL Tang, SF Tse, TH Hong Kong Baptist Univ Dept Finance & Decis Sci Kowloon Hong Kong Peoples R China Hong Kong Polytech Univ Sch Accounting & Finance Kowloon Hong Kong Peoples R China Swinburne Univ Technol Sch Informat Technol Hawthorn Vic 3122 Australia

The category-partition method and the classification-tree method help construct test cases from specifications. In both methods, an early step is to identify a set of categories (or classifications) and choices (or classes). This is often performed in an ad hoc manner due to the absence of systematic techniques. In this paper, we report and discuss three empirical studies to investigate the common mistakes made by software testers in such an ad hoc approach. The empirical studies serve three purposes: (a) to make the knowledge of common mistakes known to other testers so that they can avoid repeating the same mistakes, (b) to facilitate researchers and practitioners develop systematic identification techniques, and (c) to provide a means of measuring the effectiveness of newly developed identification techniques. Based on the results of our studies, we also formulate a checklist to help testers detect such mistakes. (C) 2004 Elsevier B.V. All rights reserved.

关键词： category-partition method choice relation framework classification-tree method specification-based testing test frame

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On the effectiveness of classification trees for test case construction

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INFORMATION AND SOFTWARE TECHNOLOGY 1998年第13期40卷 765-775页

作者： Chen, TY Poon, PL Univ Melbourne Dept Comp Sci Parkville Vic 3052 Australia

The notion of the classification-hierarchy table and the classification-tree construction algorithm provide a systematic approach to the construction of classification trees from given sets of classifications and their associated classes. Using classification trees, the set of all possible test cases can be constructed from functional specifications. This paper extends their study by introducing a metric to measure the effectiveness of a classification tree with respect to the construction of test cases, and providing ways to improve this effectiveness. (C) 1998 Elsevier Science B.V. All rights reserved.

关键词： classification-hierarchy table classification-tree method software testing specification-based testing test case selection

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On the testing methods used by beginning software testers

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INFORMATION AND SOFTWARE TECHNOLOGY 2004年第5期46卷 329-335页

作者： Yu, YT Ng, SP Poon, PL Chen, TY City Univ Hong Kong Dept Comp Sci Kowloon Hong Kong Peoples R China Swinburne Univ Technol Sch Informat Technol Hawthorn Vic 3122 Australia Hong Kong Polytech Univ Sch Accounting & Finance Kowloon Hong Kong Peoples R China

This paper describes our experiences of the methods used by novice software testers to test their own programs, as well as their perception of the classification-tree method, which is a black box testing method first introduced by Grochtmann and Grimm. We conducted two case studies involving novice software testers. The subjects in the first study possessed one-year working experience while those in the second study had a wider range of working experiences. Both studies found that white box testing methods were initially far more popular than black box methods, but the majority of the subjects were convinced of the benefits of the classification-tree method after they had learned and used it. About two-third of them indicated their preference of the classification-tree method over the methods they originally used. (C) 2003 Elsevier B.V. All rights reserved.

关键词： black box testing classification-tree method software testing specification-based testing white box testing

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Towards a problem-driven approach to perspective-based reading 7

Towards a problem-driven approach to perspective-based readi...

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7th IEEE International Symposium on High Assurance Systems Engineering

作者： Chen, TY Poon, PL Tang, SF Tse, TH Yu, YT Swinburne Univ Technol Sch Informat Technol Hawthorn Vic 3122 Australia

ISBN: (纸本)0769517692

The quality of a requirements specification has a great impact on the quality of the software developed. Because of this, a requirements specification should be complete, correct, consistent, and unambiguous. Otherwise, defects may remain undetected, resulting in the delivery of a fault software product to the users. Motivated by this, Basili et al. have developed the perspective-based reading (PBR) technique to help identify defects in requirements specifications. In this paper we propose a problem-driven approach for supporting the PBR technique. We also discuss the experience of applying our proposal to a real-life requirements specification.

关键词： classification-tree method defect-based reading perspective-based reading requirements inspection software inspection

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Teaching black box testing

Teaching black box testing

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1998 International Conference on Software Engineering - Education and Practice

作者： Chen, TY Poon, PL Univ Melbourne Dept Comp Sci Parkville Vic 3052 Australia

ISBN: (纸本)0818688289

Historically, software testing received relatively less attention compared with other activities (e.g. systems analysis and design) of the software life cycle in an undergraduate computer science/information systems curriculum. Nevertheless, it is a common and important technique used to detect errors in software. This paper reports our recent experience of using a new approach to teaching software testing (particularly blade box testing) at the University of Melbourne. Through this paper, we aim to increase the profile of software testing as well as to foster discussion of effective teaching methods of software testing.

关键词： black box testing classification-tree method test case selection

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On the testing methods used by beginning software testers

On the testing methods used by beginning software testers

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18th ACM Symposium on Applied Computing

关键词： black box testing classification-tree method software testing specification-based testing white box testing

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On the Coverage of Program Code by Specification-based Tests

On the Coverage of Program Code by Specification-based Tests

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9th International Conference on Quality Software (QSIC 2009)

作者： Yu, Y. T. Chan, Eric Y. K. Poon, P. -L. City Univ Hong Kong Dept Comp Sci Kowloon Tong Hong Kong Peoples R China Honkong Polytech Univ Hung Hom Sch Accounting & Finance Kowloon Hong Kong Peoples R China

ISBN: (纸本)9781424459124

Generating test cases from the specification can be done early in the software development life cycle. A test suite systematically generated from the software specification can be comprehensive in ensuring the intended functions to be exercised. Such a test suite is also instrumental in facilitating early discovery of software defects. On the other hand, an adequate level of code coverage is required to inspire confidence of the testing and quality assurance process. To examine the effectiveness of a specification-based test suite in covering program code, we conducted an exploratory case study which involved many different versions of programs that implemented the same specification. On the basis of the case study, this paper identifies the types of path in the programs, suggests enhancements to the existing test generation methods, and discusses several issues on how the code coverage can be improved.

关键词： category-partition method classification-tree method code coverage path coverage specification-based testing

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White on black: A white-box-oriented approach for selecting black-box-generated test cases 1

White on black: A white-box-oriented approach for selecting ...

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1st Asia-Pacific Conference on Quality Software

作者： Chen, TY Poon, PL Tang, SF Yu, YT Hong Kong Polytech Univ Dept Accountancy Hong Kong Hong Kong Peoples R China

ISBN: (纸本)0769508251

Many useful test case construction methods that are based on important aspects of the specification have been proposed in the literature. A comprehensive test suite thus obtained is often very large and yet is non-redundant with respect to the aspects identified from the specification. This paper addresses the problem of selecting a subset of test cases from such a test suite. Mie propose the use of white box criteria to select test cases from the initial black-box-generated test suite. We illustrate our ideas with examples and demonstrate the viability and benefits of our approach by means of a case study.

关键词： category-partition method classification-tree method partition testing specification-based testing test case selection

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