[codr4life]

The posted approach clocks in at 300 lines of C, and comes with the freedom to add whatever features you want. Testing is as fundamental as it gets; and unless you're aiming to write the One True Testing Framework, it's at most a days work to get one up and running. Google Test and Boost Unit try to hard to be everything for everyone, which makes them too complex; while failing to add anything that was missing from plain functions and asserts.