Testers# Introduction Selecting A Tester Tester-Neutral And Tester-Specific Code Patterns Versus Programs Philosophy Model Intent Once Prefer Shared Flows Fail On Unsupported Intent Generated Output Is A Build Artifact Reproducibility Escape Hatches The Origen Tester Pattern Operations Tester Conditions Tester APIs State And Isolation Timing Modeling Timing Selecting A Timeset Periods Symbol Mapping Validation Pattern Generation Basic Pattern Pin State And Cycles Register And Protocol Operations Captures And Overlays Generating Regression Strategy Pattern API Common Operations Comments Program Generation Flow Source Application Interface Validation Output And References Program API Tester Conditions Resource Ownership Reference Comments Supported Testers UltraFLEX Selecting the Tester Keeping Flows Tester-Neutral Test Instances Instance Groups and Versions Limits Pattern Resources Program Resources Resource Filenames DUT-Derived Resources Generated Files Unsupported Operations Generating the Program