Regression testing based-on slicing of component-based software architectures

We propose an efficient dynamic slicing algorithm for component-based software architectures. We first transform a software architecture into an intermediate representation which we have named architecture component dependence graph(ACDG). Our slicing algorithm is based on marking and unmarking the in-service and out-of-service edges on an ACDG as and when dependencies arise and cease on occurrence of events. We use the computed dynamic architectural slices to select test cases for regression testing of component based systems. One important advantage of our approach is that a slice is available for use even before a request for a slice is made. This appreciably reduces the response time of slicing commands, and help regression testing. We show that our architectural slicing algorithm is more time and space efficient than the existing algorithms. We also briefly discuss a prototype tool SRTWA(Slicer-based Regression Testing of Wright Architectures) which we have developed to implement our algorithm