Test-Driven Development of C++ Embedded and System-Level Software

on YouTube ↗01h 22m

" summary

Argues that TDD is practical for embedded C++ by showing concrete code, tests and tradeoffs: uses C++20 + GoogleTest/GoogleMock to drive a transport stack and message builder, verifies timestamp packing and buffer assembly with unit tests that reach full branch coverage, and runs most work on host to cut test time. Compares techniques—compile-time dependency injection, runtime polymorphism, function-pointer wiring and link-time substitution—and demos an MMIO bit abstraction for GPIO and interrupt-driven drivers; performance and CI implications are measured.

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" chapters (6)

1. 0:00Test-driven development intro
2. 12:04Host unit tests before target
3. 24:46Message encoding with TDD
4. 49:11Dependency injection for embedded
5. 1:02:26Hardware tests with compile-time abstractions
6. 1:14:25Q&A

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