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Diffstat (limited to 'test/SemaObjC/arc-unsafe-assigns.m')
-rw-r--r-- | test/SemaObjC/arc-unsafe-assigns.m | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/SemaObjC/arc-unsafe-assigns.m b/test/SemaObjC/arc-unsafe-assigns.m new file mode 100644 index 0000000..be8f902 --- /dev/null +++ b/test/SemaObjC/arc-unsafe-assigns.m @@ -0,0 +1,41 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-nonfragile-abi -fsyntax-only -fobjc-arc -verify %s +// rdar://9495837 + +@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}} +} |