GitHub - doctest/doctest: The fastest feature-rich C++11/14/17/20/23 single-header testing framework

doctest is a new C++ testing framework but is by far the fastest both in compile times (by orders of magnitude) and runtime compared to other feature-rich alternatives. It brings the ability of compiled languages such as D / Rust / Nim to have tests written directly in the production code thanks to a fast, transparent and flexible test runner with a clean interface. A complete example with a self-

[yohshiy]

ヘッダー一つの軽量単体テストフレームワーク