How do I properly unit-test a class or module?

• Catch

  55 17,995 9.2 C++

  A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

  

First of all, use a testing library, it makes life a lot easier. I mostly use https://github.com/catchorg/Catch2 You can pass cli args to specify which tests to run, and it makes things a whole lot simpler.

• cmake-examples

  25 11,944 0.0 CMake

  Useful CMake Examples

Some nice examples of basic CMake usage including how to set it up for unit tests: https://github.com/ttroy50/cmake-examples

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• Google Test

  67 33,091 8.3 C++

  GoogleTest - Google Testing and Mocking Framework

  

For unit test library, besides Catch2, another big one is Google Test. No matter which you pick, be sure to read their documentation, tutorials, examples etc. They are not hard to figure out and get started with.

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