C++程序  |  30行  |  976 B

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <experimental/filesystem>

// #define __cpp_lib_experimental_filesystem 201406L

#include <experimental/filesystem>
#include "test_macros.h"

#if TEST_STD_VER >= 11
#ifndef __cpp_lib_experimental_filesystem
#error Filesystem feature test macro is not defined  (__cpp_lib_experimental_filesystem)
#elif __cpp_lib_experimental_filesystem != 201406L
#error Filesystem feature test macro has an incorrect value (__cpp_lib_experimental_filesystem)
#endif
#else // TEST_STD_VER < 11
#ifdef __cpp_lib_experimental_filesystem
#error Filesystem feature test macro should not be defined in c++03
#endif
#endif

int main() { }