NDLI: Generation of All-Paths Unit Test with Function Calls

Content Provider	IEEE Xplore Digital Library
Author	Mouy, P. Marre, B. Williams, N. Le Gall, P.
Copyright Year	2008
Description	Author affiliation: CEA/LIST, LSL, Gif-sur-Yvette (Mouy, P.; Marre, B.; Williams, N.)
Abstract	Structural testing is usually restricted to unit tests and based on some clear definition of source code coverage. In particular, the all-paths criterion, which requires at least one test-case per feasible path of the function under test, is recognised as offering a high level of software reliability. This paper deals with the difficulties of using structural unit testing to test functions which call other functions. To limit the resulting combinatorial explosion in the number of paths, we choose to abstract the called functions by their specification. We incorporate the functional information on the called functions within the structural information on the function under test, given as a control flow graph (CFG). This representation combining functional and structural descriptions may be viewed as an extension of the classic CFG and allows us to characterise test selection criteria ensuring the coverage of the source code of the function under test. Two new criteria will be proposed. The first criterion corresponds to the coverage of all the paths of this new representation, including all the paths arising from the functional description of the called functions. The second criterion covers all the feasible paths of the function under test only. We describe how we automate test-data generation with respect to such grey-box (combinations of black- box and white-box) test selection strategies, and we apply the resulting extension of our PathCrawler tool to examples coded in the C language.
Starting Page	32
Ending Page	41
File Size	450612
Page Count	10
File Format	PDF
ISBN	9780769531274
DOI	10.1109/ICST.2008.35
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-09
Publisher Place	Norway
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Software testing constraint solving unit test with function calls Explosions Software reliability Flow graphs Application software Embedded software unit test Automatic testing structural testing Diversity reception Linear approximation all-paths unit test testing C programs automatic generation
Content Type	Text
Resource Type	Article

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