Abstract. Robustness testing is a part of the validation process which consists in testing the behavior of a system implementation under exceptional execution conditions in order to check if it still fulfills some robustness requirements. We propose a theoretical framework for modelbased robustness testing together with an implementation within the If validation environment. Robustness test cases are generated from both a (partial) operational specification and an abstract fault model. This generation technique is inspired from the ones used in (classical) conformance testing -already implemented in several tools. This framework is illustrated on a small example.
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