The critical task of developing executable system-level sequence diagrams to represent those scenarios remains a manual task that has to be entirely performed by the tester. This obviously is time consuming, error prone and very costly, since even the smallest systems can potentially have a large number of scenarios. In this paper, we propose an approach to semi-automate the construction of system-level sequence diagrams. The approach is based on a traceability framework, which allows its users to efficiently specify scenarios at a high level using use case descriptions, while systematically building the corresponding sequence diagrams. An ATM case study is presented to demonstrate the feasibility of the proposed approach.
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