A Theory of "May" Testing for Asynchronous Languages

  • Authors:
  • Michele Boreale;Rocco De Nicola;Rosario Pugliese

  • Affiliations:
  • -;-;-

  • Venue:
  • FoSSaCS '99 Proceedings of the Second International Conference on Foundations of Software Science and Computation Structure, Held as Part of the European Joint Conferences on the Theory and Practice of Software, ETAPS'99
  • Year:
  • 1999

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Abstract

Asynchronous communication mechanisms are usually a basic ingredient of distributed systems and protocols. For these systems, asynchronous may-based testing seems to be exactly what is needed to capture safety and certain security properties. We study may testing equivalence focusing on the asynchronous versions of CCS and π-calculus. We start from an operational testing preorder and provide finitary and fully abstract trace-based interpretations for it, together with complete inequational axiomatizations. The results throw light on the differences between synchronous and asynchronous systems and on the weaker testing power of asynchronous observations.