1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // WARNING: This test was generated by generate_feature_test_macro_components.py
10 // and should not be edited manually.
11 //
12 // clang-format off
13 
14 // <compare>
15 
16 // Test the feature test macros defined by <compare>
17 
18 /*  Constant                          Value
19     __cpp_lib_three_way_comparison    201907L [C++20]
20 */
21 
22 #include <compare>
23 #include "test_macros.h"
24 
25 #if TEST_STD_VER < 14
26 
27 # ifdef __cpp_lib_three_way_comparison
28 #   error "__cpp_lib_three_way_comparison should not be defined before c++20"
29 # endif
30 
31 #elif TEST_STD_VER == 14
32 
33 # ifdef __cpp_lib_three_way_comparison
34 #   error "__cpp_lib_three_way_comparison should not be defined before c++20"
35 # endif
36 
37 #elif TEST_STD_VER == 17
38 
39 # ifdef __cpp_lib_three_way_comparison
40 #   error "__cpp_lib_three_way_comparison should not be defined before c++20"
41 # endif
42 
43 #elif TEST_STD_VER == 20
44 
45 # if !defined(_LIBCPP_VERSION)
46 #   ifndef __cpp_lib_three_way_comparison
47 #     error "__cpp_lib_three_way_comparison should be defined in c++20"
48 #   endif
49 #   if __cpp_lib_three_way_comparison != 201907L
50 #     error "__cpp_lib_three_way_comparison should have the value 201907L in c++20"
51 #   endif
52 # else // _LIBCPP_VERSION
53 #   ifdef __cpp_lib_three_way_comparison
54 #     error "__cpp_lib_three_way_comparison should not be defined because it is unimplemented in libc++!"
55 #   endif
56 # endif
57 
58 #elif TEST_STD_VER > 20
59 
60 # if !defined(_LIBCPP_VERSION)
61 #   ifndef __cpp_lib_three_way_comparison
62 #     error "__cpp_lib_three_way_comparison should be defined in c++2b"
63 #   endif
64 #   if __cpp_lib_three_way_comparison != 201907L
65 #     error "__cpp_lib_three_way_comparison should have the value 201907L in c++2b"
66 #   endif
67 # else // _LIBCPP_VERSION
68 #   ifdef __cpp_lib_three_way_comparison
69 #     error "__cpp_lib_three_way_comparison should not be defined because it is unimplemented in libc++!"
70 #   endif
71 # endif
72 
73 #endif // TEST_STD_VER > 20
74 
75