Module test case generation

Abstract
While considerable attention has been given to techniques for developing complex systems as collections of reliable and reusable modules, little is known about testing these modules. In the literature, the special problems of module testing have been largely ignored and few tools or techniques are available to the practicing tester. Without effective testing methods, the development and maintenance of reliable and reusable modules is difficult indeed.We describe an approach for systematic module regression testing. Test cases are defined formally using a language based on module traces, and a software tool is used to automatically generate test programs that apply the cases. Techniques for test case generation in C and in Prolog are presented and illustrated in detail.

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