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State-based testing: Industrial evaluation of the cost effectiveness of round-trip path and sneak-path testing strategies

Conference paper
Authors Richard Torkar
Published in International Symposium on Software Reliability Engineering (ISSRE)
Publication year 2012
Published at Department of Computer Science and Engineering (GU)
Language en
Keywords Round-trip path testing; sneak-path testing; UML; state-based testing; cost-effectiveness; automated tool support; empirical evaluation; industrial case study
Subject categories Software Engineering


In the context of safety-critical software development, one important step in ensuring safe behavior is conformance testing, i.e., checking compliance between expected behavior and implementation. Round-trip path testing (RTP) is one example of conformance testing. Another essential step, however, is sneak- path testing, that is testing of how software reacts to unexpected events for a particular system state. Despite the importance of being systematic while testing, all testing activities take place, even for safety-critical software, under resource constraints. In this paper, we present an empirical evaluation of the cost- effectiveness of RTP when combined with sneak-path testing in the context of an industrial control system. Results highlight the importance of sneak-path testing since unexpected behavior is shown to be difficult to detect by other common, state-based test strategies. Results also suggest that sneak-path testing is a cost- effective supplement to RTP.

Page Manager: Webmaster|Last update: 9/11/2012

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