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 // <charconv>
15 
16 // Test the feature test macros defined by <charconv>
17 
18 /*  Constant                        Value
19     __cpp_lib_constexpr_charconv    202207L [C++23]
20     __cpp_lib_to_chars              201611L [C++17]
21                                     202306L [C++26]
22 */
23 
24 #include <charconv>
25 #include "test_macros.h"
26 
27 #if TEST_STD_VER < 14
28 
29 # ifdef __cpp_lib_constexpr_charconv
30 #   error "__cpp_lib_constexpr_charconv should not be defined before c++23"
31 # endif
32 
33 # ifdef __cpp_lib_to_chars
34 #   error "__cpp_lib_to_chars should not be defined before c++17"
35 # endif
36 
37 #elif TEST_STD_VER == 14
38 
39 # ifdef __cpp_lib_constexpr_charconv
40 #   error "__cpp_lib_constexpr_charconv should not be defined before c++23"
41 # endif
42 
43 # ifdef __cpp_lib_to_chars
44 #   error "__cpp_lib_to_chars should not be defined before c++17"
45 # endif
46 
47 #elif TEST_STD_VER == 17
48 
49 # ifdef __cpp_lib_constexpr_charconv
50 #   error "__cpp_lib_constexpr_charconv should not be defined before c++23"
51 # endif
52 
53 # if !defined(_LIBCPP_VERSION)
54 #   ifndef __cpp_lib_to_chars
55 #     error "__cpp_lib_to_chars should be defined in c++17"
56 #   endif
57 #   if __cpp_lib_to_chars != 201611L
58 #     error "__cpp_lib_to_chars should have the value 201611L in c++17"
59 #   endif
60 # else // _LIBCPP_VERSION
61 #   ifdef __cpp_lib_to_chars
62 #     error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
63 #   endif
64 # endif
65 
66 #elif TEST_STD_VER == 20
67 
68 # ifdef __cpp_lib_constexpr_charconv
69 #   error "__cpp_lib_constexpr_charconv should not be defined before c++23"
70 # endif
71 
72 # if !defined(_LIBCPP_VERSION)
73 #   ifndef __cpp_lib_to_chars
74 #     error "__cpp_lib_to_chars should be defined in c++20"
75 #   endif
76 #   if __cpp_lib_to_chars != 201611L
77 #     error "__cpp_lib_to_chars should have the value 201611L in c++20"
78 #   endif
79 # else // _LIBCPP_VERSION
80 #   ifdef __cpp_lib_to_chars
81 #     error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
82 #   endif
83 # endif
84 
85 #elif TEST_STD_VER == 23
86 
87 # ifndef __cpp_lib_constexpr_charconv
88 #   error "__cpp_lib_constexpr_charconv should be defined in c++23"
89 # endif
90 # if __cpp_lib_constexpr_charconv != 202207L
91 #   error "__cpp_lib_constexpr_charconv should have the value 202207L in c++23"
92 # endif
93 
94 # if !defined(_LIBCPP_VERSION)
95 #   ifndef __cpp_lib_to_chars
96 #     error "__cpp_lib_to_chars should be defined in c++23"
97 #   endif
98 #   if __cpp_lib_to_chars != 201611L
99 #     error "__cpp_lib_to_chars should have the value 201611L in c++23"
100 #   endif
101 # else // _LIBCPP_VERSION
102 #   ifdef __cpp_lib_to_chars
103 #     error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
104 #   endif
105 # endif
106 
107 #elif TEST_STD_VER > 23
108 
109 # ifndef __cpp_lib_constexpr_charconv
110 #   error "__cpp_lib_constexpr_charconv should be defined in c++26"
111 # endif
112 # if __cpp_lib_constexpr_charconv != 202207L
113 #   error "__cpp_lib_constexpr_charconv should have the value 202207L in c++26"
114 # endif
115 
116 # if !defined(_LIBCPP_VERSION)
117 #   ifndef __cpp_lib_to_chars
118 #     error "__cpp_lib_to_chars should be defined in c++26"
119 #   endif
120 #   if __cpp_lib_to_chars != 202306L
121 #     error "__cpp_lib_to_chars should have the value 202306L in c++26"
122 #   endif
123 # else // _LIBCPP_VERSION
124 #   ifdef __cpp_lib_to_chars
125 #     error "__cpp_lib_to_chars should not be defined because it is unimplemented in libc++!"
126 #   endif
127 # endif
128 
129 #endif // TEST_STD_VER > 23
130 
131