1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s 2 // rdar://9659270 3 4 @interface NSObject 5 - (id)copy; // expected-note {{method 'copy' declared here}} 6 - (id) test __attribute__((ns_returns_retained)); // expected-note {{method 'test' declared here}} 7 + (id) new ; // expected-note {{method 'new' declared here}} 8 - (id) init __attribute__((ns_returns_not_retained)); 9 - (id)PlusZero; 10 - (id)PlusOne __attribute__((ns_returns_retained)); // expected-note {{method 'PlusOne' declared here}} 11 @end 12 13 @interface I : NSObject 14 { 15 SEL sel1; 16 } 17 - (id)performSelector:(SEL)aSelector; 18 - (id)performSelector:(SEL)aSelector withObject:(id)object; 19 - (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2; 20 @end 21 22 @implementation I 23 - (id) Meth { 24 return [self performSelector : @selector(copy)]; // expected-error {{performSelector names a selector which retains the object}} 25 return [self performSelector : @selector(test)]; // expected-error {{performSelector names a selector which retains the object}} 26 return [self performSelector : @selector(new)]; // expected-error {{performSelector names a selector which retains the object}} 27 return [self performSelector : @selector(init)]; 28 return [self performSelector : sel1]; // expected-warning {{performSelector may cause a leak because its selector is unknown}} \ 29 // expected-note {{used here}} 30 31 return [self performSelector : @selector(PlusZero)]; 32 return [self performSelector : @selector(PlusOne)]; // expected-error {{performSelector names a selector which retains the object}} 33 } 34 35 - (id)performSelector:(SEL)aSelector { return 0; } 36 - (id)performSelector:(SEL)aSelector withObject:(id)object { return 0; } 37 - (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2 { return 0; } 38 @end 39
