1// RUN: %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -verify -Wno-objc-root-class %s 2// rdar://9829425 3 4extern 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 24int main() { 25 Test *t; 26 t.aBlock = ^{ doSomething(); }; 27 t.aBlockW = ^{ doSomething(); }; 28 t.aBlockS = ^{ doSomething(); }; 29} 30 31