diff options
Diffstat (limited to 'test/SemaObjCXX/objc-weak-type-traits.mm')
| -rw-r--r-- | test/SemaObjCXX/objc-weak-type-traits.mm | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/test/SemaObjCXX/objc-weak-type-traits.mm b/test/SemaObjCXX/objc-weak-type-traits.mm new file mode 100644 index 000000000000..f425f47bd6fd --- /dev/null +++ b/test/SemaObjCXX/objc-weak-type-traits.mm @@ -0,0 +1,210 @@ +// RUN: %clang_cc1 -fsyntax-only -fobjc-weak -fobjc-runtime-has-weak -verify -std=c++11 %s +// expected-no-diagnostics + +// Check the results of the various type-trait query functions on +// lifetime-qualified types in ObjC Weak. + +#define TRAIT_IS_TRUE(Trait, Type) static_assert(Trait(Type), "") +#define TRAIT_IS_FALSE(Trait, Type) static_assert(!Trait(Type), "") +#define TRAIT_IS_TRUE_2(Trait, Type1, Type2) static_assert(Trait(Type1, Type2), "") +#define TRAIT_IS_FALSE_2(Trait, Type1, Type2) static_assert(!Trait(Type1, Type2), "") + +struct HasStrong { id obj; }; +struct HasWeak { __weak id obj; }; +struct HasUnsafeUnretained { __unsafe_unretained id obj; }; + +// __has_nothrow_assign +TRAIT_IS_TRUE(__has_nothrow_assign, __strong id); +TRAIT_IS_TRUE(__has_nothrow_assign, __weak id); +TRAIT_IS_TRUE(__has_nothrow_assign, __autoreleasing id); +TRAIT_IS_TRUE(__has_nothrow_assign, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_nothrow_assign, HasStrong); +TRAIT_IS_TRUE(__has_nothrow_assign, HasWeak); +TRAIT_IS_TRUE(__has_nothrow_assign, HasUnsafeUnretained); + +// __has_nothrow_copy +TRAIT_IS_TRUE(__has_nothrow_copy, __strong id); +TRAIT_IS_TRUE(__has_nothrow_copy, __weak id); +TRAIT_IS_TRUE(__has_nothrow_copy, __autoreleasing id); +TRAIT_IS_TRUE(__has_nothrow_copy, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_nothrow_copy, HasStrong); +TRAIT_IS_TRUE(__has_nothrow_copy, HasWeak); +TRAIT_IS_TRUE(__has_nothrow_copy, HasUnsafeUnretained); + +// __has_nothrow_constructor +TRAIT_IS_TRUE(__has_nothrow_constructor, __strong id); +TRAIT_IS_TRUE(__has_nothrow_constructor, __weak id); +TRAIT_IS_TRUE(__has_nothrow_constructor, __autoreleasing id); +TRAIT_IS_TRUE(__has_nothrow_constructor, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_nothrow_constructor, HasStrong); +TRAIT_IS_TRUE(__has_nothrow_constructor, HasWeak); +TRAIT_IS_TRUE(__has_nothrow_constructor, HasUnsafeUnretained); + +// __has_trivial_assign +TRAIT_IS_TRUE(__has_trivial_assign, __strong id); +TRAIT_IS_FALSE(__has_trivial_assign, __weak id); +TRAIT_IS_TRUE(__has_trivial_assign, __autoreleasing id); +TRAIT_IS_TRUE(__has_trivial_assign, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_trivial_assign, HasStrong); +TRAIT_IS_FALSE(__has_trivial_assign, HasWeak); +TRAIT_IS_TRUE(__has_trivial_assign, HasUnsafeUnretained); + +// __has_trivial_copy +TRAIT_IS_TRUE(__has_trivial_copy, __strong id); +TRAIT_IS_FALSE(__has_trivial_copy, __weak id); +TRAIT_IS_TRUE(__has_trivial_copy, __autoreleasing id); +TRAIT_IS_TRUE(__has_trivial_copy, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_trivial_copy, HasStrong); +TRAIT_IS_FALSE(__has_trivial_copy, HasWeak); +TRAIT_IS_TRUE(__has_trivial_copy, HasUnsafeUnretained); + +// __has_trivial_constructor +TRAIT_IS_TRUE(__has_trivial_constructor, __strong id); +TRAIT_IS_FALSE(__has_trivial_constructor, __weak id); +TRAIT_IS_TRUE(__has_trivial_constructor, __autoreleasing id); +TRAIT_IS_TRUE(__has_trivial_constructor, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_trivial_constructor, HasStrong); +TRAIT_IS_FALSE(__has_trivial_constructor, HasWeak); +TRAIT_IS_TRUE(__has_trivial_constructor, HasUnsafeUnretained); + +// __has_trivial_destructor +TRAIT_IS_TRUE(__has_trivial_destructor, __strong id); +TRAIT_IS_FALSE(__has_trivial_destructor, __weak id); +TRAIT_IS_TRUE(__has_trivial_destructor, __autoreleasing id); +TRAIT_IS_TRUE(__has_trivial_destructor, __unsafe_unretained id); +TRAIT_IS_TRUE(__has_trivial_destructor, HasStrong); +TRAIT_IS_FALSE(__has_trivial_destructor, HasWeak); +TRAIT_IS_TRUE(__has_trivial_destructor, HasUnsafeUnretained); + +// __is_literal +TRAIT_IS_TRUE(__is_literal, __strong id); +TRAIT_IS_TRUE(__is_literal, __weak id); +TRAIT_IS_TRUE(__is_literal, __autoreleasing id); +TRAIT_IS_TRUE(__is_literal, __unsafe_unretained id); + +// __is_literal_type +TRAIT_IS_TRUE(__is_literal_type, __strong id); +TRAIT_IS_TRUE(__is_literal_type, __weak id); +TRAIT_IS_TRUE(__is_literal_type, __autoreleasing id); +TRAIT_IS_TRUE(__is_literal_type, __unsafe_unretained id); + +// __is_pod +TRAIT_IS_TRUE(__is_pod, __strong id); +TRAIT_IS_FALSE(__is_pod, __weak id); +TRAIT_IS_TRUE(__is_pod, __autoreleasing id); +TRAIT_IS_TRUE(__is_pod, __unsafe_unretained id); +TRAIT_IS_TRUE(__is_pod, HasStrong); +TRAIT_IS_FALSE(__is_pod, HasWeak); +TRAIT_IS_TRUE(__is_pod, HasUnsafeUnretained); + +// __is_trivial +TRAIT_IS_TRUE(__is_trivial, __strong id); +TRAIT_IS_FALSE(__is_trivial, __weak id); +TRAIT_IS_TRUE(__is_trivial, __autoreleasing id); +TRAIT_IS_TRUE(__is_trivial, __unsafe_unretained id); +TRAIT_IS_TRUE(__is_trivial, HasStrong); +TRAIT_IS_FALSE(__is_trivial, HasWeak); +TRAIT_IS_TRUE(__is_trivial, HasUnsafeUnretained); + +// __is_scalar +TRAIT_IS_TRUE(__is_scalar, __strong id); +TRAIT_IS_FALSE(__is_scalar, __weak id); +TRAIT_IS_TRUE(__is_scalar, __autoreleasing id); +TRAIT_IS_TRUE(__is_scalar, __unsafe_unretained id); + +// __is_standard_layout +TRAIT_IS_TRUE(__is_standard_layout, __strong id); +TRAIT_IS_TRUE(__is_standard_layout, __weak id); +TRAIT_IS_TRUE(__is_standard_layout, __autoreleasing id); +TRAIT_IS_TRUE(__is_standard_layout, __unsafe_unretained id); + +// __is_trivally_assignable +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __strong id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __weak id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __autoreleasing id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __unsafe_unretained id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __strong id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __weak id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __autoreleasing id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __strong id&, __unsafe_unretained id&&); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __strong id); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __weak id); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __autoreleasing id); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __unsafe_unretained id); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __strong id&&); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __weak id&&); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __autoreleasing id&&); +TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __unsafe_unretained id&&); + +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __strong id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __weak id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __autoreleasing id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __unsafe_unretained id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __strong id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __weak id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __autoreleasing id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __autoreleasing id&, __unsafe_unretained id&&); + +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __strong id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __weak id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __autoreleasing id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __unsafe_unretained id); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __strong id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __weak id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __autoreleasing id&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __unsafe_unretained id&&); + +TRAIT_IS_TRUE_2(__is_trivially_assignable, HasStrong&, HasStrong); +TRAIT_IS_TRUE_2(__is_trivially_assignable, HasStrong&, HasStrong&&); +TRAIT_IS_FALSE_2(__is_trivially_assignable, HasWeak&, HasWeak); +TRAIT_IS_FALSE_2(__is_trivially_assignable, HasWeak&, HasWeak&&); +TRAIT_IS_TRUE_2(__is_trivially_assignable, HasUnsafeUnretained&, HasUnsafeUnretained); +TRAIT_IS_TRUE_2(__is_trivially_assignable, HasUnsafeUnretained&, HasUnsafeUnretained&&); + +// __is_trivally_constructible +TRAIT_IS_TRUE(__is_trivially_constructible, __strong id); +TRAIT_IS_FALSE(__is_trivially_constructible, __weak id); +TRAIT_IS_TRUE(__is_trivially_constructible, __autoreleasing id); +TRAIT_IS_TRUE(__is_trivially_constructible, __unsafe_unretained id); + +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __strong id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __weak id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __autoreleasing id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __unsafe_unretained id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __strong id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __weak id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __autoreleasing id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __strong id, __unsafe_unretained id&&); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __strong id); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __weak id); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __autoreleasing id); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __unsafe_unretained id); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __strong id&&); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __weak id&&); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __autoreleasing id&&); +TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __unsafe_unretained id&&); + +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __strong id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __weak id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __autoreleasing id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __unsafe_unretained id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __strong id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __weak id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __autoreleasing id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __autoreleasing id, __unsafe_unretained id&&); + +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __strong id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __weak id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __autoreleasing id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __unsafe_unretained id); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __strong id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __weak id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __autoreleasing id&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __unsafe_unretained id&&); + +TRAIT_IS_TRUE_2(__is_trivially_constructible, HasStrong, HasStrong); +TRAIT_IS_TRUE_2(__is_trivially_constructible, HasStrong, HasStrong&&); +TRAIT_IS_FALSE_2(__is_trivially_constructible, HasWeak, HasWeak); +TRAIT_IS_FALSE_2(__is_trivially_constructible, HasWeak, HasWeak&&); +TRAIT_IS_TRUE_2(__is_trivially_constructible, HasUnsafeUnretained, HasUnsafeUnretained); +TRAIT_IS_TRUE_2(__is_trivially_constructible, HasUnsafeUnretained, HasUnsafeUnretained&&); |