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11.2. Use Case Based Testing

Use cases and scenarios have emerged as prominent analysis tools during requirements engineering activities due to both their richness and informality. Requirements engineering benefits from an initial emphasis on use cases, but use cases benefit in turn from a semantics that connects them to purposeful activities. Use cases describe the possible system interactions that external agents may have with a system.

Scenarios aid analysts and stakeholders in developing an understanding of current or envisaged systems and business processes. Scenarios describe concrete system behaviors by summarizing behavior traces of existing or planned systems. They have been used to improve communication between end-users and developers for designing user interfaces, task modeling and prototyping. In Unified Modeling Language (UML), scenarios are comprised of sets of actions and interactions that involve specific objects.
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Arunkumar Khannur, Software Testing - Techniques and Applications, Published by Pearson Publications, 2011 (ISBN:978-81-317-5836-6; Pages:341 + xxii)
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