1 // RUN: not %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -Wno-objc-root-class %s 2>&1 | FileCheck --check-prefix=CHECK-ARC %s 2 // rdar://9829425 3 4 // RUN: not %clang_cc1 -fsyntax-only -fblocks -Wno-objc-root-class %s 2>&1 | FileCheck %s 5 // rdar://11761511 6 7 extern void doSomething(); 8 9 @interface Test 10 { 11 @public 12 void (^aBlock)(void); 13 } 14 @property (retain) void (^aBlock)(void); 15 @property (weak, retain) void (^aBlockW)(void); 16 @property (strong, retain) void (^aBlockS)(void); // OK 17 @property (readonly, retain) void (^aBlockR)(void); // OK 18 @property (copy, retain) void (^aBlockC)(void); 19 @property (assign, retain) void (^aBlockA)(void); 20 @end 21 22 @implementation Test 23 @synthesize aBlock; 24 @dynamic aBlockW, aBlockS, aBlockR, aBlockC, aBlockA; 25 @end 26 27 int main() { 28 Test *t; 29 t.aBlock = ^{ doSomething(); }; 30 t.aBlockW = ^{ doSomething(); }; 31 t.aBlockS = ^{ doSomething(); }; 32 } 33 34 // CHECK-ARC: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead 35 // CHECK-ARC: @property (retain) void (^aBlock)(void); 36 // CHECK-ARC: ^ 37 // CHECK-ARC: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive 38 // CHECK-ARC: @property (weak, retain) void (^aBlockW)(void); 39 // CHECK-ARC: ^ 40 // CHECK-ARC: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive 41 // CHECK-ARC: @property (copy, retain) void (^aBlockC)(void); 42 // CHECK-ARC: ^ 43 // CHECK-ARC: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive 44 // CHECK-ARC: @property (assign, retain) void (^aBlockA)(void); 45 // CHECK-ARC: ^ 46 // CHECK-ARC: 30:13: warning: assigning block literal to a weak property; object will be released after assignment 47 // CHECK-ARC: t.aBlockW = ^{ doSomething(); }; 48 // CHECK-ARC: ^ ~~~~~~~~~~~~~~~~~~~ 49 // CHECK-ARC: 2 warnings and 3 errors generated. 50 51 // CHECK: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead 52 // CHECK: @property (retain) void (^aBlock)(void); 53 // CHECK: ^ 54 // CHECK: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive 55 // CHECK: @property (weak, retain) void (^aBlockW)(void); 56 // CHECK: ^ 57 // CHECK: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive 58 // CHECK: @property (copy, retain) void (^aBlockC)(void); 59 // CHECK: ^ 60 // CHECK: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive 61 // CHECK: @property (assign, retain) void (^aBlockA)(void); 62 // CHECK: ^ 63 // CHECK: 1 warning and 3 errors generated. 64
