###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # ASSERT_FAIL Fails the assert. ## Header File Defined in [SDL_test_assert.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_test_assert.h) ## Syntax ```c #define ASSERT_FAIL 0 ``` ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro)