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Asynchronous Testing of Synchronous Components in GALS Systems

  • Lina MarssoEmail author
  • Radu Mateescu
  • Ioannis Parissis
  • Wendelin Serwe
Conference paper
First Online:
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11918)

Abstract

GALS (Globally Asynchronous Locally Synchronous) systems, such as the Internet of Things or autonomous cars, integrate reactive synchronous components that interact asynchronously. The complexity induced by combining synchronous and asynchronous aspects makes GALS systems difficult to develop and debug. Ensuring their functional correctness and reliability requires rigorous design methodologies, based on formal methods and assisted by validation tools. In this paper we propose a testing methodology for GALS systems integrating: (1) synchronous and asynchronous concurrent models; (2) functional unit testing and behavioral conformance testing; and (3) various formal methods and their tool equipments. We leverage the conformance test generation for asynchronous systems to automatically derive realistic scenarios (input constraints and oracle), which are necessary ingredients for the unit testing of individual synchronous components, and are difficult and error-prone to design manually. We illustrate our approach on a simple, but relevant example inspired by autonomous cars.

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Notes

Acknowledgements

This work was supported by the Région Auvergne-Rhône-Alpes within the ARC6 programme.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Lina Marsso
    • 1
    Email author
  • Radu Mateescu
    • 1
  • Ioannis Parissis
    • 2
  • Wendelin Serwe
    • 1
  1. 1.Univ. Grenoble Alpes, Inria, CNRS, Grenoble INP, LIGGrenobleFrance
  2. 2.Univ. Grenoble Alpes, Grenoble INP, LCISValenceFrance

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