1 // RUN: %clang_cc1 -std=c++98 -fcxx-exceptions -verify %s
2 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -verify %s
3 // RUN: %clang_cc1 -std=c++14 -fcxx-exceptions -fsized-deallocation -verify %s
4 // RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -verify %s
5 // RUN: %clang_cc1 -std=c++2a -fcxx-exceptions -fsized-deallocation -verify %s
6 //
7 // RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -frelaxed-template-template-args -DRELAXED_TEMPLATE_TEMPLATE_ARGS=1 -verify %s
8 // RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -fconcepts-ts -DCONCEPTS_TS=1 -verify %s
9 // RUN: %clang_cc1 -std=c++14 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS -fsized-deallocation
10 // RUN: %clang_cc1 -std=c++14 -fcoroutines-ts -DNO_EXCEPTIONS -DCOROUTINES -verify -fsized-deallocation %s
11 // RUN: %clang_cc1 -std=c++14 -fchar8_t -DNO_EXCEPTIONS -DCHAR8_T -verify -fsized-deallocation %s
12 // RUN: %clang_cc1 -std=c++2a -fno-char8_t -DNO_EXCEPTIONS -DNO_CHAR8_T -verify -fsized-deallocation %s
13 
14 // expected-no-diagnostics
15 
16 // FIXME using `defined` in a macro has undefined behavior.
17 #if __cplusplus < 201103L
18 #define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20) (cxx98 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx98)
19 #elif __cplusplus < 201402L
20 #define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20) (cxx11 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx11)
21 #elif __cplusplus < 201703L
22 #define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20) (cxx14 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx14)
23 #elif __cplusplus <= 201703L
24 #define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20) (cxx17 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx17)
25 #else
26 #define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20) (cxx20 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx20)
27 #endif
28 
29 // --- C++20 features ---
30 
31 #if defined(CHAR8_T) ? check(char8_t, 201811, 201811, 201811, 201811, 201811) : \
32     defined(NO_CHAR8_T) ? check(char8_t, 0, 0, 0, 0, 0) : \
33     check(char8_t, 0, 0, 0, 0, 201811)
34 #error "wrong value for __cpp_char8_t"
35 #endif
36 
37 #if check(constexpr_dynamic_alloc, 0, 0, 0, 0, 201907)
38 #error "wrong value for __cpp_constexpr_dynamic_alloc"
39 #endif
40 
41 #if check(constinit, 0, 0, 0, 0, 201907)
42 #error "wrong value for __cpp_constinit"
43 #endif
44 
45 #if check(impl_destroying_delete, 201806, 201806, 201806, 201806, 201806)
46 #error "wrong value for __cpp_impl_destroying_delete"
47 #endif
48 
49 // --- C++17 features ---
50 
51 #if check(hex_float, 0, 0, 0, 201603, 201603)
52 #error "wrong value for __cpp_hex_float"
53 #endif
54 
55 #if check(inline_variables, 0, 0, 0, 201606, 201606)
56 #error "wrong value for __cpp_inline_variables"
57 #endif
58 
59 #if check(aligned_new, 0, 0, 0, 201606, 201606)
60 #error "wrong value for __cpp_aligned_new"
61 #endif
62 
63 #if check(guaranteed_copy_elision, 0, 0, 0, 201606, 201606)
64 #error "wrong value for __cpp_guaranteed_copy_elision"
65 #endif
66 
67 #if check(noexcept_function_type, 0, 0, 0, 201510, 201510)
68 #error "wrong value for __cpp_noexcept_function_type"
69 #endif
70 
71 #if check(fold_expressions, 0, 0, 0, 201603, 201603)
72 #error "wrong value for __cpp_fold_expressions"
73 #endif
74 
75 #if check(capture_star_this, 0, 0, 0, 201603, 201603)
76 #error "wrong value for __cpp_capture_star_this"
77 #endif
78 
79 // constexpr checked below
80 
81 #if check(if_constexpr, 0, 0, 0, 201606, 201606)
82 #error "wrong value for __cpp_if_constexpr"
83 #endif
84 
85 // range_based_for checked below
86 
87 // static_assert checked below
88 
89 #if check(deduction_guides, 0, 0, 0, 201703, 201703)
90 #error "wrong value for __cpp_deduction_guides"
91 #endif
92 
93 #if check(nontype_template_parameter_auto, 0, 0, 0, 201606, 201606)
94 #error "wrong value for __cpp_nontype_template_parameter_auto"
95 #endif
96 
97 // This is the old name (from P0096R4) for
98 // __cpp_nontype_template_parameter_auto
99 #if check(template_auto, 0, 0, 0, 201606, 201606)
100 #error "wrong value for __cpp_template_auto"
101 #endif
102 
103 #if check(namespace_attributes, 0, 0, 0, 201411, 201411)
104 // FIXME: allowed without warning in C++14 and C++11
105 #error "wrong value for __cpp_namespace_attributes"
106 #endif
107 
108 #if check(enumerator_attributes, 0, 0, 0, 201411, 201411)
109 // FIXME: allowed without warning in C++14 and C++11
110 #error "wrong value for __cpp_enumerator_attributes"
111 #endif
112 
113 // This is an old name (from P0096R4), now removed from SD-6.
114 #if check(nested_namespace_definitions, 0, 0, 0, 201411, 201411)
115 #error "wrong value for __cpp_nested_namespace_definitions"
116 #endif
117 
118 // inheriting_constructors checked below
119 
120 #if check(variadic_using, 0, 0, 0, 201611, 201611)
121 #error "wrong value for __cpp_variadic_using"
122 #endif
123 
124 #if check(aggregate_bases, 0, 0, 0, 201603, 201603)
125 #error "wrong value for __cpp_aggregate_bases"
126 #endif
127 
128 #if check(structured_bindings, 0, 0, 0, 201606, 201606)
129 #error "wrong value for __cpp_structured_bindings"
130 #endif
131 
132 #if check(nontype_template_args, 0, 0, 0, 201411, 201411)
133 #error "wrong value for __cpp_nontype_template_args"
134 #endif
135 
136 #if defined(RELAXED_TEMPLATE_TEMPLATE_ARGS) \
137     ? check(template_template_args, 0, 0, 0, 201611, 201611) \
138     : check(template_template_args, 0, 0, 0, 0, 0)
139 #error "wrong value for __cpp_template_template_args"
140 #endif
141 
142 // --- C++14 features ---
143 
144 #if check(binary_literals, 0, 0, 201304, 201304, 201304)
145 #error "wrong value for __cpp_binary_literals"
146 #endif
147 
148 // (Removed from SD-6.)
149 #if check(digit_separators, 0, 0, 201309, 201309, 201309)
150 #error "wrong value for __cpp_digit_separators"
151 #endif
152 
153 #if check(init_captures, 0, 0, 201304, 201304, 201304)
154 #error "wrong value for __cpp_init_captures"
155 #endif
156 
157 #if check(generic_lambdas, 0, 0, 201304, 201304, 201304)
158 #error "wrong value for __cpp_generic_lambdas"
159 #endif
160 
161 #if check(sized_deallocation, 0, 0, 201309, 201309, 201309)
162 #error "wrong value for __cpp_sized_deallocation"
163 #endif
164 
165 // constexpr checked below
166 
167 #if check(decltype_auto, 0, 0, 201304, 201304, 201304)
168 #error "wrong value for __cpp_decltype_auto"
169 #endif
170 
171 #if check(return_type_deduction, 0, 0, 201304, 201304, 201304)
172 #error "wrong value for __cpp_return_type_deduction"
173 #endif
174 
175 #if check(runtime_arrays, 0, 0, 0, 0, 0)
176 #error "wrong value for __cpp_runtime_arrays"
177 #endif
178 
179 #if check(aggregate_nsdmi, 0, 0, 201304, 201304, 201304)
180 #error "wrong value for __cpp_aggregate_nsdmi"
181 #endif
182 
183 #if check(variable_templates, 0, 0, 201304, 201304, 201304)
184 #error "wrong value for __cpp_variable_templates"
185 #endif
186 
187 // --- C++11 features ---
188 
189 #if check(unicode_characters, 0, 200704, 200704, 200704, 200704)
190 #error "wrong value for __cpp_unicode_characters"
191 #endif
192 
193 #if check(raw_strings, 0, 200710, 200710, 200710, 200710)
194 #error "wrong value for __cpp_raw_strings"
195 #endif
196 
197 #if check(unicode_literals, 0, 200710, 200710, 200710, 200710)
198 #error "wrong value for __cpp_unicode_literals"
199 #endif
200 
201 #if check(user_defined_literals, 0, 200809, 200809, 200809, 200809)
202 #error "wrong value for __cpp_user_defined_literals"
203 #endif
204 
205 #if defined(NO_THREADSAFE_STATICS) ? check(threadsafe_static_init, 0, 0, 0, 0, 0) : \
206                                      check(threadsafe_static_init, 200806, 200806, 200806, 200806, 200806)
207 #error "wrong value for __cpp_threadsafe_static_init"
208 #endif
209 
210 #if check(lambdas, 0, 200907, 200907, 200907, 200907)
211 #error "wrong value for __cpp_lambdas"
212 #endif
213 
214 #if check(constexpr, 0, 200704, 201304, 201603, 201907)
215 #error "wrong value for __cpp_constexpr"
216 #endif
217 
218 #if check(range_based_for, 0, 200907, 200907, 201603, 201603)
219 #error "wrong value for __cpp_range_based_for"
220 #endif
221 
222 #if check(static_assert, 0, 200410, 200410, 201411, 201411)
223 #error "wrong value for __cpp_static_assert"
224 #endif
225 
226 #if check(decltype, 0, 200707, 200707, 200707, 200707)
227 #error "wrong value for __cpp_decltype"
228 #endif
229 
230 #if check(attributes, 0, 200809, 200809, 200809, 200809)
231 #error "wrong value for __cpp_attributes"
232 #endif
233 
234 #if check(rvalue_references, 0, 200610, 200610, 200610, 200610)
235 #error "wrong value for __cpp_rvalue_references"
236 #endif
237 
238 #if check(variadic_templates, 0, 200704, 200704, 200704, 200704)
239 #error "wrong value for __cpp_variadic_templates"
240 #endif
241 
242 #if check(initializer_lists, 0, 200806, 200806, 200806, 200806)
243 #error "wrong value for __cpp_initializer_lists"
244 #endif
245 
246 #if check(delegating_constructors, 0, 200604, 200604, 200604, 200604)
247 #error "wrong value for __cpp_delegating_constructors"
248 #endif
249 
250 #if check(nsdmi, 0, 200809, 200809, 200809, 200809)
251 #error "wrong value for __cpp_nsdmi"
252 #endif
253 
254 #if check(inheriting_constructors, 0, 201511, 201511, 201511, 201511)
255 #error "wrong value for __cpp_inheriting_constructors"
256 #endif
257 
258 #if check(ref_qualifiers, 0, 200710, 200710, 200710, 200710)
259 #error "wrong value for __cpp_ref_qualifiers"
260 #endif
261 
262 #if check(alias_templates, 0, 200704, 200704, 200704, 200704)
263 #error "wrong value for __cpp_alias_templates"
264 #endif
265 
266 // --- C++98 features ---
267 
268 #if defined(NO_RTTI) ? check(rtti, 0, 0, 0, 0, 0) : check(rtti, 199711, 199711, 199711, 199711, 199711)
269 #error "wrong value for __cpp_rtti"
270 #endif
271 
272 #if defined(NO_EXCEPTIONS) ? check(exceptions, 0, 0, 0, 0, 0) : check(exceptions, 199711, 199711, 199711, 199711, 199711)
273 #error "wrong value for __cpp_exceptions"
274 #endif
275 
276 // --- TS features --
277 
278 #if check(experimental_concepts, 0, 0, CONCEPTS_TS, CONCEPTS_TS, CONCEPTS_TS)
279 #error "wrong value for __cpp_experimental_concepts"
280 #endif
281 
282 #if defined(COROUTINES) ? check(coroutines, 201703L, 201703L, 201703L, 201703L, 201703L) : check(coroutines, 0, 0, 0, 0, 201703L)
283 #error "wrong value for __cpp_coroutines"
284 #endif
285