1 // RUN: %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -verify -Wno-objc-root-class %s 2 // rdar://9829425 3 4 extern void doSomething(); 5 6 @interface Test 7 { 8 @public 9 void (^aBlock)(void); 10 } 11 @property (retain) void (^aBlock)(void); // expected-warning {{retain'ed block property does not copy the block - use copy attribute instead}} 12 @property (weak, retain) void (^aBlockW)(void); // expected-error {{property attributes 'retain' and 'weak' are mutually exclusive}} 13 @property (strong, retain) void (^aBlockS)(void); // OK 14 @property (readonly, retain) void (^aBlockR)(void); // OK 15 @property (copy, retain) void (^aBlockC)(void); // expected-error {{property attributes 'copy' and 'retain' are mutually exclusive}} 16 @property (assign, retain) void (^aBlockA)(void); // expected-error {{property attributes 'assign' and 'retain' are mutually exclusive}} 17 @end 18 19 @implementation Test 20 @synthesize aBlock; 21 @dynamic aBlockW, aBlockS, aBlockR, aBlockC, aBlockA; 22 @end 23 24 int main() { 25 Test *t; 26 t.aBlock = ^{ doSomething(); }; 27 t.aBlockW = ^{ doSomething(); }; 28 t.aBlockS = ^{ doSomething(); }; 29 } 30 31
