1 // RUN: clang-cc -fsyntax-only -verify %s 2 template<typename T> 3 struct is_pointer { 4 static const bool value = false; 5 }; 6 7 template<typename T> 8 struct is_pointer<T*> { 9 static const bool value = true; 10 }; 11 12 template<typename T> 13 struct is_pointer<const T*> { 14 static const bool value = true; 15 }; 16 17 int array0[is_pointer<int>::value? -1 : 1]; 18 int array1[is_pointer<int*>::value? 1 : -1]; 19 int array2[is_pointer<const int*>::value? 1 : -1]; // expected-error{{partial ordering}} \ 20 // expected-error{{negative}} 21 22 template<typename T> 23 struct is_lvalue_reference { 24 static const bool value = false; 25 }; 26 27 template<typename T> 28 struct is_lvalue_reference<T&> { 29 static const bool value = true; 30 }; 31 32 int lvalue_ref0[is_lvalue_reference<int>::value? -1 : 1]; 33 int lvalue_ref1[is_lvalue_reference<const int&>::value? 1 : -1]; 34 35 template<typename T> 36 struct is_const { 37 static const bool value = false; 38 }; 39 40 template<typename T> 41 struct is_const<const T> { 42 static const bool value = true; 43 }; 44 45 int is_const0[is_const<int>::value? -1 : 1]; 46 int is_const1[is_const<const int>::value? 1 : -1]; 47 int is_const2[is_const<const volatile int>::value? 1 : -1]; 48 int is_const3[is_const<const int [3]>::value? 1 : -1]; 49 int is_const4[is_const<const volatile int[3]>::value? 1 : -1]; 50 int is_const4[is_const<volatile int[3]>::value? -1 : 1]; 51 52 template<typename T> 53 struct is_volatile { 54 static const bool value = false; 55 }; 56 57 template<typename T> 58 struct is_volatile<volatile T> { 59 static const bool value = true; 60 }; 61 62 int is_volatile0[is_volatile<int>::value? -1 : 1]; 63 int is_volatile1[is_volatile<volatile int>::value? 1 : -1]; 64 int is_volatile2[is_volatile<const volatile int>::value? 1 : -1]; 65 int is_volatile3[is_volatile<volatile char[3]>::value? 1 : -1]; 66 67 template<typename T, typename U> 68 struct is_same { 69 static const bool value = false; 70 }; 71 72 template<typename T> 73 struct is_same<T, T> { 74 static const bool value = true; 75 }; 76 77 typedef int INT; 78 typedef INT* int_ptr; 79 80 int is_same0[is_same<int, int>::value? 1 : -1]; 81 int is_same1[is_same<int, INT>::value? 1 : -1]; 82 int is_same2[is_same<const int, int>::value? -1 : 1]; 83 int is_same3[is_same<int_ptr, int>::value? -1 : 1]; 84 85 template<typename T> 86 struct remove_reference { 87 typedef T type; 88 }; 89 90 template<typename T> 91 struct remove_reference<T&> { 92 typedef T type; 93 }; 94 95 int remove_ref0[is_same<remove_reference<int>::type, int>::value? 1 : -1]; 96 int remove_ref1[is_same<remove_reference<int&>::type, int>::value? 1 : -1]; 97 98 template<typename T> 99 struct is_incomplete_array { 100 static const bool value = false; 101 }; 102 103 template<typename T> 104 struct is_incomplete_array<T[]> { 105 static const bool value = true; 106 }; 107 108 int incomplete_array0[is_incomplete_array<int>::value ? -1 : 1]; 109 int incomplete_array1[is_incomplete_array<int[1]>::value ? -1 : 1]; 110 int incomplete_array2[is_incomplete_array<bool[]>::value ? 1 : -1]; 111 int incomplete_array3[is_incomplete_array<int[]>::value ? 1 : -1]; 112 113 template<typename T> 114 struct is_array_with_4_elements { 115 static const bool value = false; 116 }; 117 118 template<typename T> 119 struct is_array_with_4_elements<T[4]> { 120 static const bool value = true; 121 }; 122 123 int array_with_4_elements0[is_array_with_4_elements<int[]>::value ? -1 : 1]; 124 int array_with_4_elements1[is_array_with_4_elements<int[1]>::value ? -1 : 1]; 125 int array_with_4_elements2[is_array_with_4_elements<int[4]>::value ? 1 : -1]; 126 int array_with_4_elements3[is_array_with_4_elements<int[4][2]>::value ? 1 : -1]; 127 128 template<typename T> 129 struct get_array_size; 130 131 template<typename T, unsigned N> 132 struct get_array_size<T[N]> { 133 static const unsigned value = N; 134 }; 135 136 int array_size0[get_array_size<int[12]>::value == 12? 1 : -1]; 137 138 template<typename T> 139 struct is_unary_function { 140 static const bool value = false; 141 }; 142 143 template<typename T, typename U> 144 struct is_unary_function<T (*)(U)> { 145 static const bool value = true; 146 }; 147 148 int is_unary_function0[is_unary_function<int>::value ? -1 : 1]; 149 int is_unary_function1[is_unary_function<int (*)()>::value ? -1 : 1]; 150 int is_unary_function2[is_unary_function<int (*)(int, bool)>::value ? -1 : 1]; 151 int is_unary_function3[is_unary_function<int (*)(bool)>::value ? 1 : -1]; 152 int is_unary_function4[is_unary_function<int (*)(int)>::value ? 1 : -1]; 153 154 template<typename T> 155 struct is_unary_function_with_same_return_type_as_argument_type { 156 static const bool value = false; 157 }; 158 159 template<typename T> 160 struct is_unary_function_with_same_return_type_as_argument_type<T (*)(T)> { 161 static const bool value = true; 162 }; 163 164 int is_unary_function5[is_unary_function_with_same_return_type_as_argument_type<int>::value ? -1 : 1]; 165 int is_unary_function6[is_unary_function_with_same_return_type_as_argument_type<int (*)()>::value ? -1 : 1]; 166 int is_unary_function7[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, bool)>::value ? -1 : 1]; 167 int is_unary_function8[is_unary_function_with_same_return_type_as_argument_type<int (*)(bool)>::value ? -1 : 1]; 168 int is_unary_function9[is_unary_function_with_same_return_type_as_argument_type<int (*)(int)>::value ? 1 : -1]; 169 int is_unary_function10[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, ...)>::value ? -1 : 1]; 170 int is_unary_function11[is_unary_function_with_same_return_type_as_argument_type<int (* const)(int)>::value ? -1 : 1]; 171 172 template<typename T> 173 struct is_binary_function { 174 static const bool value = false; 175 }; 176 177 template<typename R, typename T1, typename T2> 178 struct is_binary_function<R(T1, T2)> { 179 static const bool value = true; 180 }; 181 182 int is_binary_function0[is_binary_function<int(float, double)>::value? 1 : -1]; 183 184 template<typename T> 185 struct is_member_pointer { 186 static const bool value = false; 187 }; 188 189 template<typename T, typename Class> 190 struct is_member_pointer<T Class::*> { 191 static const bool value = true; 192 }; 193 194 struct X { }; 195 196 int is_member_pointer0[is_member_pointer<int X::*>::value? 1 : -1]; 197 int is_member_pointer1[is_member_pointer<const int X::*>::value? 1 : -1]; 198 int is_member_pointer2[is_member_pointer<int (X::*)()>::value? 1 : -1]; 199 int is_member_pointer3[is_member_pointer<int (X::*)(int) const>::value? 1 : -1]; 200 int is_member_pointer4[is_member_pointer<int (X::**)(int) const>::value? -1 : 1]; 201 int is_member_pointer5[is_member_pointer<int>::value? -1 : 1]; 202 203 template<typename T> 204 struct is_member_function_pointer { 205 static const bool value = false; 206 }; 207 208 template<typename T, typename Class> 209 struct is_member_function_pointer<T (Class::*)()> { 210 static const bool value = true; 211 }; 212 213 template<typename T, typename Class> 214 struct is_member_function_pointer<T (Class::*)() const> { 215 static const bool value = true; 216 }; 217 218 template<typename T, typename Class> 219 struct is_member_function_pointer<T (Class::*)() volatile> { 220 static const bool value = true; 221 }; 222 223 template<typename T, typename Class> 224 struct is_member_function_pointer<T (Class::*)() const volatile> { 225 static const bool value = true; 226 }; 227 228 template<typename T, typename Class, typename A1> 229 struct is_member_function_pointer<T (Class::*)(A1)> { 230 static const bool value = true; 231 }; 232 233 template<typename T, typename Class, typename A1> 234 struct is_member_function_pointer<T (Class::*)(A1) const> { 235 static const bool value = true; 236 }; 237 238 template<typename T, typename Class, typename A1> 239 struct is_member_function_pointer<T (Class::*)(A1) volatile> { 240 static const bool value = true; 241 }; 242 243 template<typename T, typename Class, typename A1> 244 struct is_member_function_pointer<T (Class::*)(A1) const volatile> { 245 static const bool value = true; 246 }; 247 248 int is_member_function_pointer0[ 249 is_member_function_pointer<int X::*>::value? -1 : 1]; 250 int is_member_function_pointer1[ 251 is_member_function_pointer<int (X::*)()>::value? 1 : -1]; 252 int is_member_function_pointer2[ 253 is_member_function_pointer<X (X::*)(X&)>::value? 1 : -1]; 254 int is_member_function_pointer3[ 255 is_member_function_pointer<int (X::*)() const>::value? 1 : -1]; 256 int is_member_function_pointer4[ 257 is_member_function_pointer<int (X::*)(float) const>::value? 1 : -1]; 258 259 // Test substitution of non-dependent arguments back into the template 260 // argument list of the class template partial specialization. 261 template<typename T, typename ValueType = T> 262 struct is_nested_value_type_identity { 263 static const bool value = false; 264 }; 265 266 template<typename T> 267 struct is_nested_value_type_identity<T, typename T::value_type> { 268 static const bool value = true; 269 }; 270 271 template<typename T> 272 struct HasValueType { 273 typedef T value_type; 274 }; 275 276 struct HasIdentityValueType { 277 typedef HasIdentityValueType value_type; 278 }; 279 280 struct NoValueType { }; 281 282 int is_nested_value_type_identity0[ 283 is_nested_value_type_identity<HasValueType<int> >::value? -1 : 1]; 284 int is_nested_value_type_identity1[ 285 is_nested_value_type_identity<HasIdentityValueType>::value? 1 : -1]; 286 int is_nested_value_type_identity2[ 287 is_nested_value_type_identity<NoValueType>::value? -1 : 1]; 288 289 290 // C++ [temp.class.spec]p4: 291 template<class T1, class T2, int I> class A { }; //#1 292 template<class T, int I> class A<T, T*, I> { }; //#2 293 template<class T1, class T2, int I> class A<T1*, T2, I> { }; //#3 294 template<class T> class A<int, T*, 5> { }; //#4 295 template<class T1, class T2, int I> class A<T1, T2*, I> { }; //#5 296