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Addition with flamethrowers – why game devs don't unit test

Every once in a while, I chat with a software dev who's getting into game development. In terms of "programmer culture", one of the bigger differences between software dev and game dev is that software devs make extensive use of automated unit tests and game devs extensively don't. Why doe

It's an exaggeration, but the nature of games means that the assumptions underpinning a mechanic or system can change drastically and unpredictably. This doesn’t mean that nobody uses them, or that there aren’t systems where they make sense (such as a physics engine or net code, say). In general, though, it means a smaller proportion of game devs use unit tests as compared to other software disciplines.

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