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Product Line Engineering (PLE) is a crucial practice in many softwaredevelopment environments where software systems are complex and developed formultiple customers with varying needs. At the same time, many developmentprocesses are use case-driven and this strongly influences their requirementsengineering and system testing practices. In this paper, we propose, apply, andassess an automated system test case classification and prioritization approachspecifically targeting system testing in the context of use case-drivendevelopment of product families. Our approach provides: (i) automated supportto classify, for a new product in a product family, relevant and valid systemtest cases associated with previous products, and (ii) automated prioritizationof system test cases using multiple risk factors such as fault-proneness ofrequirements and requirements volatility in a product family. Our evaluationwas performed in the context of an industrial product family in the automotivedomain. Results provide empirical evidence that we propose a practical andbeneficial way to classify and prioritize system test cases for industrialproduct lines.

Automating System Test Case Classification and Prioritization for Use Case-Driven Testing in Product Lines