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I currently use googles’ gtest to write my unit tests, but it doesn’t look like it can test thread-safety (that is, accessing something from multiple threads and ensuring it behaves according to spec).
What do you use to test thread safety? I’d like something cross-platform, but, it definitely has to work on Windows atleast.
Thank you!
If multithreaded code isn’t immediately, obviously, provably correct then it is almost certainly wrong. And if it is, you don’t need to test it.
Seriously: shared mutable state should be extremely localised and rare, and the classes that do it should be demonstrably correct.
Your threads should normally interact via safe primitives (eg a thread-safe work queue). If you have lots of data structures scattered around your code each with its own locking strategy then your code almost certainly contains deadlocks and race conditions. A big testing effort will only find some of the problems.