• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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
35void 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