A Predicate Based Fault Localization Technique Based On Test Case Reduction

ABSTRACT: In today�s world, software testing with statistical fault localization technique is one of most tedious, expensive and time consuming activity. In faulty program, a program element contrast dynamic spectra that estimate location of fault. There may have negative impact from coincidental correctness with these technique because in non failed run the fault can also be triggered out and if so, disturb the assessment of fault location. Now eliminating of confounding rules on the recognizing the accuracy. In this paper coincidental correctness which is an effective interface is the reason of success of fault location. We can find out fault predicates by distribution overlapping of dynamic spectrum in failed runs and non failed runs and slacken the area by referencing the inter class distances of spectra to clamp the less suspicious candidate. After that we apply coverage matrix base reduction approach to reduce the test cases of that program and locate the fault in that program. Finally, empirical result shows that our technique outshine with previous existing predicate based fault localization technique with test case reduction.

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