SDL_DestroyWindow is setting window->magic to NULL too early. - window->magic is also checked in SDL_DestroyRenderer. All cleanup code like freeing the renderer and textures is not executed. The patch moves window_magic = NULL behind the SDL_DestroyRenderer call. Kind regards, André

/**
 * Part of SDL test suite.
 *
 * Written by Edgar Simo "bobbens"
 *
 * Released under Public Domain.
 */


#ifndef _TEST_RENDER
#  define _TEST_RENDER


int test_render (void);


#endif /* _TEST_RENDER */