1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // rdar: // 7963410 3 4 @protocol NSObject @end 5 @interface NSObject 6 - (id)init; 7 - (id) alloc; 8 - (id) autorelease; 9 @end 10 11 template<class T> 12 class TNSAutoRef 13 { 14 public: 15 TNSAutoRef(T t) 16 : fRef(t) 17 { } 18 19 ~TNSAutoRef() 20 { } 21 22 operator T() const 23 { return fRef; } 24 25 private: 26 T fRef; 27 }; 28 29 30 #pragma mark - 31 32 33 @protocol TFooProtocol <NSObject> 34 35 - (void) foo; 36 @end 37 38 39 #pragma mark - 40 41 42 @interface TFoo : NSObject 43 44 - (void) setBlah: (id<TFooProtocol>)blah; 45 @end 46 47 48 #pragma mark - 49 50 51 @implementation TFoo 52 53 - (void) setBlah: (id<TFooProtocol>)blah 54 { } 55 @end 56 57 58 #pragma mark - 59 60 61 @interface TBar : NSObject 62 63 - (void) setBlah: (id)blah; 64 @end 65 66 #pragma mark - 67 68 69 @implementation TBar 70 71 - (void) setBlah: (id)blah 72 { } 73 @end 74 75 76 #pragma mark - 77 78 79 int main (int argc, const char * argv[]) { 80 81 NSObject* object1 = [[[NSObject alloc] init] autorelease]; 82 TNSAutoRef<NSObject*> object2([[NSObject alloc] init]); 83 TNSAutoRef<TBar*> bar([[TBar alloc] init]); 84 [bar setBlah: object1]; // <== Does not compile. It should. 85 if (object1 == object2) 86 [bar setBlah: object2]; // <== Does not compile. It should. 87 return 0; 88 } 89
