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Possibly, but if you don’t think that’s common you may be grossly overestimating how thorough even the best testing process can be.

Engineering processes are systems with their own bugs, and the people/systems that implement them can’t deliver perfectly either.

There are always going to be things that slip through, and some of them are bound to look embarrassingly sloppy.

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A lot of preventable accidents come from the human brain discounting the threat after a large number of positive interactions. For all we know there once was a test three refactorings ago and someone fenced it away.

Testing that a circular buffer can wrap is a very very low bar though.

I'm not talking automated testes or anything. Just once, on your own machine.

I agree that it is a bit unfair to pick an example after the fact. But it does not inspire confidence.

> I'm not talking automated testes or anything.

I'd love to see an entire thread on this topic alone.

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