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Proceedings IEEE International Conference on Software Maintenance. ICSM 2001 (2001)
Florence, Italy
Nov. 7, 2001 to Nov. 9, 2001
ISSN: 1063-6773
ISBN: 0-7695-1189-9
pp: 170
Sebastian Elbaum , University of Nebraska Lincoln
David Gable , University of Nebraska Lincoln
Gregg Rothermel , Oregon State University
ABSTRACT
Many tools and techniques for addressing software maintenance problems rely on code coverage information. Often, this coverage information is gathered for a specific version of a software system, and then used to perform analyses on subsequent versions of that system without being recalculated. As a software system evolves, however, modifications to the software alter the software's behavior on particular inputs, and code coverage information gathered on earlier versions of a program may not accurately reflect the coverage that would be obtained on later versions. This discrepancy may affect the success of analyses dependent on code coverage information. Despite the importance of coverage information in various analyses, in our search of the literature we find no studies specifically examining the impact of software evolution on code coverage information. Therefore, we conducted empirical studies to examine this impact. The results of our studies suggest that even relatively small modifications can greatly affect code coverage information, and that the degree of impact of change on coverage may be difficult to predict.
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CITATION

D. Gable, S. Elbaum and G. Rothermel, "The Impact of Software Evolution on Code Coverage Information," Proceedings IEEE International Conference on Software Maintenance. ICSM 2001(ICSM), Florence, Italy, 2001, pp. 170.
doi:10.1109/ICSM.2001.972727
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