llvm-project/clang/test/SemaObjCXX/properties.mm

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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -Wno-objc-root-class %s
struct X {
void f() const;
~X();
};
@interface A {
X x_;
}
- (const X&)x;
- (void)setx:(const X&)other;
@end
@implementation A
- (const X&)x { return x_; }
- (void)setx:(const X&)other { x_ = other; }
- (void)method {
self.x.f();
}
@end
// rdar://problem/10444030
@interface Test2
- (void) setY: (int) y;
- (int) z;
@end
void test2(Test2 *a) {
auto y = a.y; // expected-error {{expected getter method not found on object of type 'Test2 *'}}
auto z = a.z;
}
// rdar://problem/10672108
@interface Test3
- (int) length;
@end
void test3(Test3 *t) {
char vla[t.length] = {}; // expected-error {{variable-sized object may not be initialized}}
char *heaparray = new char[t.length];
}
// <rdar://problem/10672501>
namespace std {
template<typename T> void count();
}
@interface Test4
- (X&) prop;
@end
void test4(Test4 *t) {
(void)const_cast<const X&>(t.prop);
(void)dynamic_cast<X&>(t.prop);
(void)reinterpret_cast<int&>(t.prop);
}
@interface Test5 {
@public
int count;
}
@property int count;
@end
void test5(Test5* t5) {
if (t5.count < 2) { }
if (t5->count < 2) { }
}
@interface Test6
+ (Class)class;
- (Class)class;
@end
void test6(Test6 *t6) {
Class x = t6.class;
Class x2 = Test6.class;
}
template<typename T>
void test6_template(T *t6) {
Class x = t6.class;
}
template void test6_template(Test6*);
// rdar://problem/10965735
struct Test7PointerMaker {
operator char *() const;
};
@interface Test7
- (char*) implicit_property;
- (char) bad_implicit_property;
- (Test7PointerMaker) implicit_struct_property;
@property int *explicit_property;
@property int bad_explicit_property;
@property Test7PointerMaker explicit_struct_property;
@end
void test7(Test7 *ptr) {
delete ptr.implicit_property;
delete ptr.bad_implicit_property; // expected-error {{cannot delete expression of type 'char'}}
delete ptr.explicit_property;
delete ptr.bad_explicit_property; // expected-error {{cannot delete expression of type 'int'}}
delete ptr.implicit_struct_property;
delete ptr.explicit_struct_property;
}