📁 testcases ┣ 📜README.md This file to document the unit tests. ┣ 📁 unit Contains the unit test structures per device. ┣ 📁layout Layout gds file for each device. ┣ 📁netlist Spice netlist file for each device. ┣ 📁 extraction_checking Contains a small test case to be used for testing the LVS switches. ┣ 📁 torture Contains a few large test cases to test the performance of the rule deck.