Modelling of Autosar Libraries for Large Scale Testing

Wojciech Mostowski
(Halmstad University, Sweden)
Thomas Arts
(Quviq AB, Sweden)
John Hughes
(Chalmers University of Technology and Quviq AB, Sweden)

We demonstrate a specific method and technology for model-based testing of large software projects with the QuickCheck tool using property-based specifications. Our specifications are very precise, state-full models of the software under test (SUT). In our approach we define (a) formal descriptions of valid function call sequences (public API), (b) postconditions that check the validity of each call, and (c) call-out specifications that define and validate external system interactions (SUT calling external API). The QuickCheck tool automatically generates and executes tests from these specifications. Commercially, this method and tool have been used to test large parts of the industrially developed automotive libraries based on the Autosar standard. In this paper, we exemplify our approach with a circular buffer specified by Autosar, to demonstrate the capabilities of the model-based testing method of QuickCheck. Our example is small compared to the commercial QuickCheck models, but faithfully addresses many of the same challenges.

In Holger Hermanns and Peter Höfner: Proceedings 2nd Workshop on Models for Formal Analysis of Real Systems (MARS 2017), Uppsala, Sweden, 29th April 2017, Electronic Proceedings in Theoretical Computer Science 244, pp. 184–199.
Published: 15th March 2017.

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