NDLI: Application of system models in regression test suite prioritization

Content Provider	IEEE Xplore Digital Library
Author	Korel, B. Koutsogiannakis, G. Tahat, L.H.
Copyright Year	2008
Description	Author affiliation: Gulf Univ. for Sci.&Tech., Hawally (Tahat, L.H.) \|\| Comput. Sci. Dept., Illinois Inst. of Technol., Chicago, IL (Korel, B.; Koutsogiannakis, G.)
Abstract	During regression testing, a modified system needs to be retested using the existing test suite. Since test suites may be very large, developers are interested in detecting faults in the system as early as possible. Test prioritization orders test cases for execution to increase potentially the chances of early fault detection during retesting. Most of the existing test prioritization methods are based on the code of the system, but model-based test prioritization has been recently proposed. System modeling is a widely used technique to model state-based systems. The existing model based test prioritization methods can only be used when models are modified during system maintenance. In this paper, we present model-based prioritization for a class of modifications for which models are not modified (only the source code is modified). After identification of elements of the model related to source-code modifications, information collected during execution of a model is used to prioritize tests for execution. In this paper, we discuss several model-based test prioritization heuristics. The major motivation to develop these heuristics was simplicity and effectiveness in early fault detection. We have conducted an experimental study in which we compared model-based test prioritization heuristics. The results of the study suggest that system models may improve the effectiveness of test prioritization with respect to early fault detection.
Starting Page	247
Ending Page	256
File Size	135995
Page Count	10
File Format	PDF
ISBN	9781424426133
ISSN	10636773
DOI	10.1109/ICSM.2008.4658073
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault detection Testing Heuristic algorithms Modeling Life estimation Software systems USA Councils
Content Type	Text
Resource Type	Article

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