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Software maintenance is perhaps one of the most difficult activities in software engineering, especially for systems that have undergone several years of ad hoc maintenance. The problem is that, for such systems, the gap between the system implementation and its design models tend to be considerably large. Reverse engineering techniques, particularly the ones that focus on design and architecture...
The model-driven approach to software development has not only changed the way software systems are built and maintained but also the way they are tested. For such systems, a model-based testing approach is much recommended since it is aligned with the new model-driven development paradigm that favors models over code with the objective being to reduce time to market while improving product quality...
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