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> if you know exactly what you're building and what you must test for

This is the main issue that I have with TDD. I use a methodology that I call "Evolutionary Design,"[0] and TDD won't work for that.

But I think they have the right idea, in emphasizing the need for extreme Quality. I like to achieve this, by using test harnesses, as opposed to unit tests[1].

[0] https://littlegreenviper.com/various/evolutionary-design-spe...

[1] https://littlegreenviper.com/various/testing-harness-vs-unit...




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