Douglas Gregor | 14b2327 | 2012-06-29 00:49:17 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -std=c++11 %s |
Andy Gibbs | 8e8fb3b | 2012-10-19 12:44:48 +0000 | [diff] [blame] | 2 | // expected-no-diagnostics |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 3 | |
| 4 | // Check the results of the various type-trait query functions on |
| 5 | // lifetime-qualified types in ARC. |
| 6 | |
| 7 | #define JOIN3(X,Y) X ## Y |
| 8 | #define JOIN2(X,Y) JOIN3(X,Y) |
| 9 | #define JOIN(X,Y) JOIN2(X,Y) |
| 10 | |
| 11 | #define TRAIT_IS_TRUE(Trait, Type) char JOIN2(Trait,__LINE__)[Trait(Type)? 1 : -1] |
| 12 | #define TRAIT_IS_FALSE(Trait, Type) char JOIN2(Trait,__LINE__)[Trait(Type)? -1 : 1] |
Douglas Gregor | 14b2327 | 2012-06-29 00:49:17 +0000 | [diff] [blame] | 13 | #define TRAIT_IS_TRUE_2(Trait, Type1, Type2) char JOIN2(Trait,__LINE__)[Trait(Type1, Type2)? 1 : -1] |
| 14 | #define TRAIT_IS_FALSE_2(Trait, Type1, Type2) char JOIN2(Trait,__LINE__)[Trait(Type1, Type2)? -1 : 1] |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 15 | |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 16 | struct HasStrong { id obj; }; |
| 17 | struct HasWeak { __weak id obj; }; |
| 18 | struct HasUnsafeUnretained { __unsafe_unretained id obj; }; |
| 19 | |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 20 | // __has_nothrow_assign |
| 21 | TRAIT_IS_TRUE(__has_nothrow_assign, __strong id); |
| 22 | TRAIT_IS_TRUE(__has_nothrow_assign, __weak id); |
| 23 | TRAIT_IS_TRUE(__has_nothrow_assign, __autoreleasing id); |
| 24 | TRAIT_IS_TRUE(__has_nothrow_assign, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 25 | TRAIT_IS_TRUE(__has_nothrow_assign, HasStrong); |
| 26 | TRAIT_IS_TRUE(__has_nothrow_assign, HasWeak); |
| 27 | TRAIT_IS_TRUE(__has_nothrow_assign, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 28 | |
| 29 | // __has_nothrow_copy |
| 30 | TRAIT_IS_TRUE(__has_nothrow_copy, __strong id); |
| 31 | TRAIT_IS_TRUE(__has_nothrow_copy, __weak id); |
| 32 | TRAIT_IS_TRUE(__has_nothrow_copy, __autoreleasing id); |
| 33 | TRAIT_IS_TRUE(__has_nothrow_copy, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 34 | TRAIT_IS_TRUE(__has_nothrow_copy, HasStrong); |
| 35 | TRAIT_IS_TRUE(__has_nothrow_copy, HasWeak); |
| 36 | TRAIT_IS_TRUE(__has_nothrow_copy, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 37 | |
| 38 | // __has_nothrow_constructor |
| 39 | TRAIT_IS_TRUE(__has_nothrow_constructor, __strong id); |
| 40 | TRAIT_IS_TRUE(__has_nothrow_constructor, __weak id); |
| 41 | TRAIT_IS_TRUE(__has_nothrow_constructor, __autoreleasing id); |
| 42 | TRAIT_IS_TRUE(__has_nothrow_constructor, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 43 | TRAIT_IS_TRUE(__has_nothrow_constructor, HasStrong); |
| 44 | TRAIT_IS_TRUE(__has_nothrow_constructor, HasWeak); |
| 45 | TRAIT_IS_TRUE(__has_nothrow_constructor, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 46 | |
| 47 | // __has_trivial_assign |
| 48 | TRAIT_IS_FALSE(__has_trivial_assign, __strong id); |
| 49 | TRAIT_IS_FALSE(__has_trivial_assign, __weak id); |
| 50 | TRAIT_IS_FALSE(__has_trivial_assign, __autoreleasing id); |
| 51 | TRAIT_IS_TRUE(__has_trivial_assign, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 52 | TRAIT_IS_FALSE(__has_trivial_assign, HasStrong); |
| 53 | TRAIT_IS_FALSE(__has_trivial_assign, HasWeak); |
| 54 | TRAIT_IS_TRUE(__has_trivial_assign, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 55 | |
| 56 | // __has_trivial_copy |
| 57 | TRAIT_IS_FALSE(__has_trivial_copy, __strong id); |
| 58 | TRAIT_IS_FALSE(__has_trivial_copy, __weak id); |
| 59 | TRAIT_IS_FALSE(__has_trivial_copy, __autoreleasing id); |
| 60 | TRAIT_IS_TRUE(__has_trivial_copy, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 61 | TRAIT_IS_FALSE(__has_trivial_copy, HasStrong); |
| 62 | TRAIT_IS_FALSE(__has_trivial_copy, HasWeak); |
| 63 | TRAIT_IS_TRUE(__has_trivial_copy, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 64 | |
| 65 | // __has_trivial_constructor |
| 66 | TRAIT_IS_FALSE(__has_trivial_constructor, __strong id); |
| 67 | TRAIT_IS_FALSE(__has_trivial_constructor, __weak id); |
| 68 | TRAIT_IS_FALSE(__has_trivial_constructor, __autoreleasing id); |
| 69 | TRAIT_IS_TRUE(__has_trivial_constructor, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 70 | TRAIT_IS_FALSE(__has_trivial_constructor, HasStrong); |
| 71 | TRAIT_IS_FALSE(__has_trivial_constructor, HasWeak); |
| 72 | TRAIT_IS_TRUE(__has_trivial_constructor, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 73 | |
| 74 | // __has_trivial_destructor |
| 75 | TRAIT_IS_FALSE(__has_trivial_destructor, __strong id); |
| 76 | TRAIT_IS_FALSE(__has_trivial_destructor, __weak id); |
| 77 | TRAIT_IS_TRUE(__has_trivial_destructor, __autoreleasing id); |
| 78 | TRAIT_IS_TRUE(__has_trivial_destructor, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 79 | TRAIT_IS_FALSE(__has_trivial_destructor, HasStrong); |
| 80 | TRAIT_IS_FALSE(__has_trivial_destructor, HasWeak); |
| 81 | TRAIT_IS_TRUE(__has_trivial_destructor, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 82 | |
| 83 | // __is_literal |
Richard Smith | 5120188 | 2011-12-30 21:15:51 +0000 | [diff] [blame] | 84 | TRAIT_IS_TRUE(__is_literal, __strong id); |
| 85 | TRAIT_IS_TRUE(__is_literal, __weak id); |
| 86 | TRAIT_IS_TRUE(__is_literal, __autoreleasing id); |
| 87 | TRAIT_IS_TRUE(__is_literal, __unsafe_unretained id); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 88 | |
| 89 | // __is_literal_type |
Richard Smith | 5120188 | 2011-12-30 21:15:51 +0000 | [diff] [blame] | 90 | TRAIT_IS_TRUE(__is_literal_type, __strong id); |
| 91 | TRAIT_IS_TRUE(__is_literal_type, __weak id); |
| 92 | TRAIT_IS_TRUE(__is_literal_type, __autoreleasing id); |
| 93 | TRAIT_IS_TRUE(__is_literal_type, __unsafe_unretained id); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 94 | |
| 95 | // __is_pod |
| 96 | TRAIT_IS_FALSE(__is_pod, __strong id); |
| 97 | TRAIT_IS_FALSE(__is_pod, __weak id); |
| 98 | TRAIT_IS_FALSE(__is_pod, __autoreleasing id); |
| 99 | TRAIT_IS_TRUE(__is_pod, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 100 | TRAIT_IS_FALSE(__is_pod, HasStrong); |
| 101 | TRAIT_IS_FALSE(__is_pod, HasWeak); |
| 102 | TRAIT_IS_TRUE(__is_pod, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 103 | |
| 104 | // __is_trivial |
| 105 | TRAIT_IS_FALSE(__is_trivial, __strong id); |
| 106 | TRAIT_IS_FALSE(__is_trivial, __weak id); |
| 107 | TRAIT_IS_FALSE(__is_trivial, __autoreleasing id); |
| 108 | TRAIT_IS_TRUE(__is_trivial, __unsafe_unretained id); |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 109 | TRAIT_IS_FALSE(__is_trivial, HasStrong); |
| 110 | TRAIT_IS_FALSE(__is_trivial, HasWeak); |
| 111 | TRAIT_IS_TRUE(__is_trivial, HasUnsafeUnretained); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 112 | |
| 113 | // __is_scalar |
| 114 | TRAIT_IS_FALSE(__is_scalar, __strong id); |
| 115 | TRAIT_IS_FALSE(__is_scalar, __weak id); |
| 116 | TRAIT_IS_FALSE(__is_scalar, __autoreleasing id); |
| 117 | TRAIT_IS_TRUE(__is_scalar, __unsafe_unretained id); |
| 118 | |
| 119 | // __is_standard_layout |
| 120 | TRAIT_IS_TRUE(__is_standard_layout, __strong id); |
| 121 | TRAIT_IS_TRUE(__is_standard_layout, __weak id); |
| 122 | TRAIT_IS_TRUE(__is_standard_layout, __autoreleasing id); |
| 123 | TRAIT_IS_TRUE(__is_standard_layout, __unsafe_unretained id); |
| 124 | |
Douglas Gregor | 14b2327 | 2012-06-29 00:49:17 +0000 | [diff] [blame] | 125 | // __is_trivally_assignable |
| 126 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __strong id); |
| 127 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __weak id); |
| 128 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __autoreleasing id); |
| 129 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __unsafe_unretained id); |
| 130 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __strong id&&); |
| 131 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __weak id&&); |
| 132 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __autoreleasing id&&); |
| 133 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __unsafe_unretained id&&); |
| 134 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __strong id); |
| 135 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __weak id); |
| 136 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __autoreleasing id); |
| 137 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __unsafe_unretained id); |
| 138 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __strong id&&); |
| 139 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __weak id&&); |
| 140 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __autoreleasing id&&); |
| 141 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __unsafe_unretained id&&); |
| 142 | |
| 143 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __strong id); |
| 144 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __weak id); |
| 145 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __autoreleasing id); |
| 146 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __unsafe_unretained id); |
| 147 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __strong id&&); |
| 148 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __weak id&&); |
| 149 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __autoreleasing id&&); |
| 150 | TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __unsafe_unretained id&&); |
| 151 | |
| 152 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __strong id); |
| 153 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __weak id); |
| 154 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __autoreleasing id); |
| 155 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __unsafe_unretained id); |
| 156 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __strong id&&); |
| 157 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __weak id&&); |
| 158 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __autoreleasing id&&); |
| 159 | TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __unsafe_unretained id&&); |
| 160 | |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 161 | TRAIT_IS_FALSE_2(__is_trivially_assignable, HasStrong&, HasStrong); |
| 162 | TRAIT_IS_FALSE_2(__is_trivially_assignable, HasStrong&, HasStrong&&); |
| 163 | TRAIT_IS_FALSE_2(__is_trivially_assignable, HasWeak&, HasWeak); |
| 164 | TRAIT_IS_FALSE_2(__is_trivially_assignable, HasWeak&, HasWeak&&); |
| 165 | TRAIT_IS_TRUE_2(__is_trivially_assignable, HasUnsafeUnretained&, HasUnsafeUnretained); |
| 166 | TRAIT_IS_TRUE_2(__is_trivially_assignable, HasUnsafeUnretained&, HasUnsafeUnretained&&); |
| 167 | |
Douglas Gregor | 14b2327 | 2012-06-29 00:49:17 +0000 | [diff] [blame] | 168 | // __is_trivally_constructible |
| 169 | TRAIT_IS_FALSE(__is_trivially_constructible, __strong id); |
| 170 | TRAIT_IS_FALSE(__is_trivially_constructible, __weak id); |
| 171 | TRAIT_IS_FALSE(__is_trivially_constructible, __autoreleasing id); |
| 172 | TRAIT_IS_TRUE(__is_trivially_constructible, __unsafe_unretained id); |
| 173 | |
| 174 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __strong id); |
| 175 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __weak id); |
| 176 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __autoreleasing id); |
| 177 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __unsafe_unretained id); |
| 178 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __strong id&&); |
| 179 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __weak id&&); |
| 180 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __autoreleasing id&&); |
| 181 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __unsafe_unretained id&&); |
| 182 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __strong id); |
| 183 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __weak id); |
| 184 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __autoreleasing id); |
| 185 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __unsafe_unretained id); |
| 186 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __strong id&&); |
| 187 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __weak id&&); |
| 188 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __autoreleasing id&&); |
| 189 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __unsafe_unretained id&&); |
| 190 | |
| 191 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __strong id); |
| 192 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __weak id); |
| 193 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __autoreleasing id); |
| 194 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __unsafe_unretained id); |
| 195 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __strong id&&); |
| 196 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __weak id&&); |
| 197 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __autoreleasing id&&); |
| 198 | TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __unsafe_unretained id&&); |
| 199 | |
| 200 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __strong id); |
| 201 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __weak id); |
| 202 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __autoreleasing id); |
| 203 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __unsafe_unretained id); |
| 204 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __strong id&&); |
| 205 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __weak id&&); |
| 206 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __autoreleasing id&&); |
| 207 | TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __unsafe_unretained id&&); |
| 208 | |
Douglas Gregor | 3fe52ff | 2012-07-23 04:23:39 +0000 | [diff] [blame] | 209 | TRAIT_IS_FALSE_2(__is_trivially_constructible, HasStrong, HasStrong); |
| 210 | TRAIT_IS_FALSE_2(__is_trivially_constructible, HasStrong, HasStrong&&); |
| 211 | TRAIT_IS_FALSE_2(__is_trivially_constructible, HasWeak, HasWeak); |
| 212 | TRAIT_IS_FALSE_2(__is_trivially_constructible, HasWeak, HasWeak&&); |
| 213 | TRAIT_IS_TRUE_2(__is_trivially_constructible, HasUnsafeUnretained, HasUnsafeUnretained); |
| 214 | TRAIT_IS_TRUE_2(__is_trivially_constructible, HasUnsafeUnretained, HasUnsafeUnretained&&); |
| 215 | |