Agreed! A code base I recently inherited (and exorcised) contained unit tests with roughly 90% coverage... And not a single assert. They didn't understand the i

Agreed! A code base I recently inherited (and exorcised) contained unit tests with roughly 90% coverage... And not a single assert. They didn't understand the idea of testing behavior, they just copied the implementation as tests. I reduced 20,000 lines of tests to 5,000, and caught a dozen bugs.