Summary

This chapter provided a thorough overview of testing in C++, covering essential topics from unit testing basics to advanced E2E testing. You learned about unit testing’s role in ensuring individual components work correctly and how tools such as Google Test and Google Mock help write and manage these tests effectively. The chapter also touched on mocking techniques for simulating complex behaviors in tests.

Additionally, the importance of tracking test coverage using tools such as gcov and llvm-cov was discussed, emphasizing the need to maintain and improve coverage over time. E2E testing was highlighted as crucial for checking the entire application’s functionality, complementing the more focused unit tests.

By exploring different C++ testing frameworks, the chapter offered insights into the various tools available for developers, helping them choose the right ones for their projects. In essence, this chapter equipped you with the knowledge to implement...