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Can you provide a reference? I'm not a big proponent of TDD but have read up on it and experimented with it some, and none of the TDD literature I've read suggests writing all the tests up front. Virtually all the mainstream TDD literature and talks advocate for the "write a test, make it pass, lather, rinse, repeat" model of development.

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I think this is a case of two ways to hear "write all the tests first."

If you read that as "write every single one of your tests, then write the code", then you see it as a strawman and not the point of TDD.

If you read that as "before you write any specific line of code, you write the test for it first", then you are likely to see that as the same as TDD.

I intended the second reading. I can see how both are accurate ways to read it, though. Apologies for the confusion.

Ah. Exactly the misunderstanding I was labouring under.

Turns out we are all in agreement after all.

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