__cpp_lib_ratio 202306L [C++26]
*/
#include <ratio>
#include "test_macros.h"
#if TEST_STD_VER < 14
# ifdef __cpp_lib_ratio
# error "__cpp_lib_ratio should not be defined before c++26"
# endif
#elif TEST_STD_VER == 14
# ifdef __cpp_lib_ratio
# error "__cpp_lib_ratio should not be defined before c++26"
# endif
#elif TEST_STD_VER == 17
# ifdef __cpp_lib_ratio
# error "__cpp_lib_ratio should not be defined before c++26"
# endif
#elif TEST_STD_VER == 20
# ifdef __cpp_lib_ratio
# error "__cpp_lib_ratio should not be defined before c++26"
# endif
#elif TEST_STD_VER == 23
# ifdef __cpp_lib_ratio
# error "__cpp_lib_ratio should not be defined before c++26"
# endif
#elif TEST_STD_VER > 23
# ifndef __cpp_lib_ratio
# error "__cpp_lib_ratio should be defined in c++26"
# endif
# if __cpp_lib_ratio != 202306L
# error "__cpp_lib_ratio should have the value 202306L in c++26"
# endif
#endif