Formal Specification Based Automatic Test Generation for Embedded Network Systems

Algorithm 1

The BNF description for a transition requirement.

requirement-declaration::=

    invariant ∣ transition-requirement

invariant::= expr

transition-requirement::=

    pre-condition “:” event “:”

         (post-condition ∣ (action (“,” ∣ action)*)

         ∣ (post-condition “,”(action (“,” ∣ action)*)))