Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Discover strategies for retrofitting test frameworks onto existing code and developing a test suite for legacy software in this one-hour conference talk. Learn about characterization testing, code coverage measurements, and refactoring techniques to improve maintenance tasks. Explore the challenges of working with untested code and understand why 100% test coverage may not be a realistic goal. Gain insights into using code coverage tools effectively and deciding between testing and debugging approaches. Apply these lessons to dramatically enhance the robustness and maintainability of legacy software projects.