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// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
@interface Foo {
__unsafe_unretained id unsafe_ivar;
}
@property (assign,nonatomic) id unsafe_prop;
- (id)init;
+ (id)new;
+ (id)alloc;
-(void)Meth;
@end
@implementation Foo
@synthesize unsafe_prop;
-(id)init { return self; }
+(id)new { return 0; }
+(id)alloc { return 0; }
-(void)Meth {
self.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
self->unsafe_ivar = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
self.unsafe_prop = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe property}}
self->unsafe_ivar = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
__unsafe_unretained id unsafe_var;
unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
}
@end
void bar(Foo *f) {
f.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
__unsafe_unretained id unsafe_var;
unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
}
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