fff
A header-only C/C++ testing micro-framework for creating fake function test doubles with minimal boilerplate.
What is fff?
Fake Function Framework (fff) is a micro-framework for creating fake function test doubles in C and C++ unit tests. It automatically generates fake functions that track calls, capture arguments, and control return values, eliminating the need to manually write stub code. It solves the problem of tedious boilerplate when testing low-level or embedded systems code.
C and C++ developers writing unit tests for embedded systems, hardware drivers, or any code requiring function isolation. It's especially useful for those working in environments where manual stub creation is time-consuming.
fff reduces testing overhead with a header-only, zero-dependency design that works in both C and C++ environments. Its simple macro-based API makes it easy to integrate into existing test suites without complex setup, unlike heavier mocking frameworks.
Overview
A testing micro framework for creating function test doubles
Use Cases
Best For
- Unit testing embedded C code with hardware-dependent functions
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