examc
samples
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examc
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static_assert is all you need (no leaks, no UB)
There are other ways to do this. I made a proof of concept of using linker sections to allow you to sprinkle tests within the implementation inline once... https://github.com/cozzyd/examc (this is obviously not production-ready, just serves as a proof of concept).
Basically the idea is that the test code gets written to a different linker section that your test runner can iterate through, when tests are enabled.
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Running C unit tests with pytest
Indeed, I just made a POC with compiler sections: https://github.com/cozzyd/examc
This implementation only works with gcc though probably (it uses the automatic __start_SECTION and __stop_SECTION that gcc generates but clang doesn't seem to... there are likely hacks to make this work anyway though).
samples
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static_assert is all you need (no leaks, no UB)
You can now specify a directory, see README. Any other arguments are just passed to the compiler.
Here's a sample to play with: https://github.com/yellowdragonlabs/samples/blob/master/tdd_...
What are some alternatives?
TDD - See while you code
c_unit_tests - C unit tests with a small header-only library.
templight - Templight is a Clang-based tool to profile the time and memory consumption of template instantiations and to perform interactive debugging sessions to gain introspection into the template instantiation process.
docker-images - Docker images for ci testing
headlock - An adapter for making C code testable from Python (see https://headlock.readthedocs.io/en/latest)