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What Is TDD?

TDD (test-driven development) is a development approach where tests are written before writing the actual code.

Related terms: Agile testing, BDD, code coverage, unit testing

TDD: Examples in Context

A software developer follows TDD principles by writing automated unit tests before writing the actual code, ensuring that code functionality aligns with expected behavior.

A mobile app development team employs TDD to iteratively build and test features, resulting in a robust application with fewer defects.