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Re:The Pragmatics of TDD by unclebobmartin on Wednesday March 06, 2013 @09:16PM (#5335553)
Interestingly enough, in 2009 Keith Braithwaite concocted a metric that can pretty reliably determine whether a system has been written with TDD or not.

See: http://peripateticaxiom.blogspot.com/2006/05/complexity-and-...

Re:The Pragmatics of TDD by thomasmeeks on Thursday March 07, 2013 @12:05AM (#5336208)
That's cool, and I'm sure the author's conclusions are correct for that code base.

However, the skeptic in me can't help but point out that this is not nearly rigorous enough to say his method can pretty reliably determine TDD vs non TDD code in the general case.