Proceedings of the 31st Annual International Computer Software
and Applications Conference
IEEE Computer Society Press, Los Alamitos, CA, pp. 397-404 (2007)
W.K. Chan 2 , Jeffrey C.F. Ho 3 , and T.H. Tse 4
[paper from IEEE Xplore | paper from IEEE digital library | technical report TR-2007-04]
Mesh simplification is a mainstream technique to render graphics
responsively in modern graphical software.
However, the graphical nature of the output poses a test oracle problem
Previous work uses pattern classification to identify failures.
Although such an approach may be promising,
it may conservatively mark the test result of a failure-causing
test case as
This paper proposes a methodology that pipes the test cases marked as passed by the pattern classification component to a metamorphic testing component to look for missed failures. The empirical study uses three simple and general metamorphic relations as subjects, and the experimental results show a 10 percent improvement of effectiveness in the identification of failures.
Keywords: Test oracle problem, mesh simplification, metamorphic testing, classification.
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