Integration testing of software product lines using compositional symbolic execution

  • Authors:

  • Jiangfan Shi;Myra B. Cohen;Matthew B. Dwyer

  • Affiliations:

  • Department of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska;Department of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska;Department of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska

  • Venue:
  • FASE'12 Proceedings of the 15th international conference on Fundamental Approaches to Software Engineering
  • Year:
  • 2012

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Abstract

Software product lines are families of products defined by feature commonality and variability, with a well-managed asset base. Recent work in testing of software product lines has exploited similarities across development phases to reuse shared assets and reduce test effort. The use of feature dependence graphs has also been employed to reduce testing effort, but little work has focused on code level analysis of dataflow between features. In this paper we present a compositional symbolic execution technique that works in concert with a feature dependence graph to extract the set of possible interaction trees in a product family. It composes these to incrementally and symbolically analyze feature interactions. We experiment with two product lines and determine that our technique can reduce the overall number of interactions that must be considered during testing, and requires less time to run than a traditional symbolic execution technique.