1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s |
2 | // rdar://9495837 |
3 | |
4 | @interface Foo { |
5 | __unsafe_unretained id unsafe_ivar; |
6 | } |
7 | |
8 | @property (assign,nonatomic) id unsafe_prop; |
9 | |
10 | - (id)init; |
11 | + (id)new; |
12 | + (id)alloc; |
13 | |
14 | -(void)Meth; |
15 | @end |
16 | |
17 | @implementation Foo |
18 | @synthesize unsafe_prop; |
19 | -(id)init { return self; } |
20 | +(id)new { return 0; } |
21 | +(id)alloc { return 0; } |
22 | |
23 | -(void)Meth { |
24 | self.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}} |
25 | self->unsafe_ivar = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}} |
26 | self.unsafe_prop = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe property}} |
27 | self->unsafe_ivar = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}} |
28 | |
29 | __unsafe_unretained id unsafe_var; |
30 | unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}} |
31 | unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}} |
32 | } |
33 | @end |
34 | |
35 | void bar(Foo *f) { |
36 | f.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}} |
37 | |
38 | __unsafe_unretained id unsafe_var; |
39 | unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}} |
40 | unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}} |
41 | } |
42 | |