It’s possible that the code was modified in a way that bypasses the null-check. It isn’t necessarily true that anybody removed code. Unit tests that test the c

It’s possible that the code was modified in a way that bypasses the null-check. It isn’t necessarily true that anybody removed code. Unit tests that test the contract of a method (if you put in this argument, then you’ll get this return or side effect) are a good idea in both dynamic and static languages.