Testing
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1. **Google Test Framework**
   
   - `GTest Documentation <https://google.github.io/googletest/>`_
   - `GTest Primer Guide <https://google.github.io/googletest/primer.html>`_
   - Description: C++ testing and mocking framework
   - Key features:
   
     - xUnit test structure
     - Rich set of assertions
     - Test fixtures and parameterized tests
     - Death tests and mock objects