tdd

Test-Driven Development for coding and bug fixing. cycle - Red→Green→Refactor cycle, defining expected behavior, bug-fix TDD, anti-patterns, run - test execution workflow (environment detection→impact scope→execution→result reporting), test-strategies - boundary value·equivalence partitioning·decision table·error guessing·path coverage test design techniques. "TDD", "test first", "failing test", "doesn't work", "not working", "test design", "boundary value test", "test strategies", "equivalence partitioning", "bug fix", "run tests", "execute tests", "test run", "verify" triggers