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Experiences with cluster and class testing

Authors:

Gail C. Murphy,

Paul Townsend,

Pok Sze WongAuthors Info & Claims

Communications of the ACM, Volume 37, Issue 9

Pages 39 - 47

https://doi.org/10.1145/182987.182990

Published: 01 September 1994 Publication History

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Cited By

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Kling R(2016)Synergies and Competition Between Life in Cyberspace and Face-to-Face CommunitiesSocial Science Computer Review10.1177/08944393960140011614:1(50-54)Online publication date: 18-Aug-2016
https://doi.org/10.1177/089443939601400116
Toth KDonat MJoyce J(2014)GENERATING TEST CASES FROM FORMAL SPECIFICATIONSINCOSE International Symposium10.1002/j.2334-5837.1996.tb02040.x6:1(463-470)Online publication date: 4-Nov-2014
https://doi.org/10.1002/j.2334-5837.1996.tb02040.x
Hall WNousala SBest RNair S(2012)Social Networking Tools for Knowledge-Based Action GroupsComputational Social Networks10.1007/978-1-4471-4048-1_9(227-255)Online publication date: 19-May-2012
https://doi.org/10.1007/978-1-4471-4048-1_9
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Index Terms

Experiences with cluster and class testing
1. Software and its engineering
  1. Software creation and management
  2. Software notations and tools
    1. General programming languages
      1. Language types
        Object oriented languages

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Reviews

Reviewer: Scott R. Tilley

The results of using a new class-level testing technique on Trouble Advisor for Customer Services (TRACS), a distributed network management system written in C++ and Eiffel, are presented. Previous releases of TRACS used system-level and cluster-level testing. A high number of defects were found during system testing, however. Fixing bugs so late in the development cycle was costly. Class testing was investigated to catch bugs earlier and thereby reduce overall maintenance costs. Numerous problems with the existing approach to class-level testing occurred, so a new technique was needed. Automated Class Exerciser (ACE) was developed. It supports the specification of class-level testing scripts. ACE was used on two releases of TRACS over a two-year period. The cited results are impressive: only one bug slipped through to system testing, compared with over 70 defects that had taken 16 person-weeks to repair in previous releases. This translated into a savings of more than 50 percent of total development time. To achieve this savings, engineers spent between 5 and 30 percent of their time on the preparation of ACE test scripts; execution of the scripts now consumes between 5 and 20 percent of the cluster development time. Interestingly, the authors report that a paradigm shift occurred among developers that caused them to design and implement classes with testability in mind (something they apparently did not do in the past). The paper provides an important example of the industrial use and refinement of an academic approach to object-oriented software testing (ACE was developed using PGMGEN, a test tool developed at the University of Victoria). The tool seems simple enough to use, yet yields real results in real-world usage. Like many papers published in the Communications of the ACM recently, this one suffers from over-generous use of fonts and colors. For example, Figure 7 shows the processing steps of the ACE tool. Unfortunately, the color scheme chosen makes the individual steps almost indistinguishable. Clearly this is not the fault of the authors, but of the publisher.

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Published In

Communications of the ACM Volume 37, Issue 9

Sept. 1994

109 pages

ISSN:0001-0782

EISSN:1557-7317

DOI:10.1145/182987

Editor:
Jacques Cohen

Issue’s Table of Contents

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 01 September 1994

Published in CACM Volume 37, Issue 9

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Kling R(2016)Synergies and Competition Between Life in Cyberspace and Face-to-Face CommunitiesSocial Science Computer Review10.1177/08944393960140011614:1(50-54)Online publication date: 18-Aug-2016
https://doi.org/10.1177/089443939601400116
Toth KDonat MJoyce J(2014)GENERATING TEST CASES FROM FORMAL SPECIFICATIONSINCOSE International Symposium10.1002/j.2334-5837.1996.tb02040.x6:1(463-470)Online publication date: 4-Nov-2014
https://doi.org/10.1002/j.2334-5837.1996.tb02040.x
Hall WNousala SBest RNair S(2012)Social Networking Tools for Knowledge-Based Action GroupsComputational Social Networks10.1007/978-1-4471-4048-1_9(227-255)Online publication date: 19-May-2012
https://doi.org/10.1007/978-1-4471-4048-1_9
Hu WYang XZuo K(2011)Based Aspect-oriented Petri Nets in Software EngineeringPhysics Procedia10.1016/j.phpro.2011.11.10022(646-650)Online publication date: 2011
https://doi.org/10.1016/j.phpro.2011.11.100
Van Rompaey BDemeyer S(2008)Exploring the composition of unit test suitesProceedings of the 23rd IEEE/ACM International Conference on Automated Software Engineering10.1109/ASEW.2008.4686316(III-11-III-20)Online publication date: 15-Sep-2008
https://dl.acm.org/doi/10.1109/ASEW.2008.4686316
Van Rompaey BDu Bois BDemeyer SRieger M(2007)On The Detection of Test SmellsIEEE Transactions on Software Engineering10.1109/TSE.2007.7074533:12(800-817)Online publication date: 1-Dec-2007
https://dl.acm.org/doi/10.1109/TSE.2007.70745
Oxendine ASullivan JBorgida ERiedel EJackson MDial J(2006)The Importance of Political Context for Understanding Civic Engagement: A Longitudinal AnalysisPolitical Behavior10.1007/s11109-006-9016-329:1(31-67)Online publication date: 14-Nov-2006
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Silver D(2005)Selling cyberspace: Constructing and deconstructing the rhetoric of communitySouthern Communication Journal10.1080/1041794050937332670:3(187-199)Online publication date: Sep-2005
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Qian Chen Xiaojiang Li (2004)An order-assigned strategy of classes integration testing based on test level8th International Conference on Computer Supported Cooperative Work in Design10.1109/CACWD.2004.1349104(653-657)Online publication date: 2004
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Testing class libraries for RTSJ safety

Testing Real-World Healthcare IoT Application: Experiences and Lessons Learned

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