__cpp_lib_stdatomic_h 202011L [C++23]
*/
#include <stdatomic.h>
#include "test_macros.h"
#if TEST_STD_VER < 14
# ifdef __cpp_lib_stdatomic_h
# error "__cpp_lib_stdatomic_h should not be defined before c++23"
# endif
#elif TEST_STD_VER == 14
# ifdef __cpp_lib_stdatomic_h
# error "__cpp_lib_stdatomic_h should not be defined before c++23"
# endif
#elif TEST_STD_VER == 17
# ifdef __cpp_lib_stdatomic_h
# error "__cpp_lib_stdatomic_h should not be defined before c++23"
# endif
#elif TEST_STD_VER == 20
# ifdef __cpp_lib_stdatomic_h
# error "__cpp_lib_stdatomic_h should not be defined before c++23"
# endif
#elif TEST_STD_VER == 23
# ifndef __cpp_lib_stdatomic_h
# error "__cpp_lib_stdatomic_h should be defined in c++23"
# endif
# if __cpp_lib_stdatomic_h != 202011L
# error "__cpp_lib_stdatomic_h should have the value 202011L in c++23"
# endif
#elif TEST_STD_VER > 23
# ifndef __cpp_lib_stdatomic_h
# error "__cpp_lib_stdatomic_h should be defined in c++26"
# endif
# if __cpp_lib_stdatomic_h != 202011L
# error "__cpp_lib_stdatomic_h should have the value 202011L in c++26"
# endif
#endif