In recent years, several techniques have been proposed for class-level regression testing. Most of these techniques focus either on white-or black-box testing, although an integrated approach can have several beneJits. As similar tasks have to be carried out for both white-and black-box testing, an integrated approach can improve eflciency and cost effectiveness. This article explains a new approach for class-level regression testing, integrating existing techniques. Particularly, those of Rothermel et al. and Hong et al. for whitebox regression testing and black-box testing, respectively, have been integrated into a single technique. The benefits of the resulting technique are shown by example.
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