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Model Based Testing of an Interactive Music System

Clément Poncelet 1, 2 Florent Jacquemard 1, 2
1 Repmus - Représentations musicales
STMS - Sciences et Technologies de la Musique et du Son
2 MuTant - Synchronous Realtime Processing and Programming of Music Signals
Inria Paris-Rocquencourt, UPMC - Université Pierre et Marie Curie - Paris 6, IRCAM, CNRS - Centre National de la Recherche Scientifique
Abstract : The role of an interactive music system (IMS) is to accom-pany musicians during live performances, like a real musi-cian. It reacts in realtime to audio signals from musicians, according to a timed specification called mixed score, writ-ten in a domain specific language. Such goals imply strong requirements of temporal reliability and robustness to un-foreseen errors in input, yet not so much studied in the computer music community. We present the application of model-based testing tech-niques and tools to a state-of-the-art IMS, including the fol-lowing tasks: generation of relevant input data for testing (including timing values) following coverage criteria, com-putation of the corresponding expected output, according to the semantics of a given mixed score, black-box execution of the test data and verdict. Our method is based on formal models compiled directly from mixed scores, and passed, after conversion to timed automata, to the model-checker Uppaal. This fully automatic approach has been applied to real mixed scores used in concerts and the results obtained have permitted to identify bugs in the target IMS.
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Submitted on : Friday, January 16, 2015 - 5:27:54 PM
Last modification on : Thursday, March 21, 2019 - 1:05:53 PM
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Clément Poncelet, Florent Jacquemard. Model Based Testing of an Interactive Music System. Proceedings of the 30th ACM/SIGAPP Symposium On Applied Computing (ACM SAC), Apr 2015, Salamanca, Spain. ⟨10.1145/2695664.2695804⟩. ⟨hal-01097345v2⟩



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