1*67e74705SXin Li// RUN: not %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -Wno-objc-root-class %s 2>&1 | FileCheck --check-prefix=CHECK-ARC %s 2*67e74705SXin Li// rdar://9829425 3*67e74705SXin Li 4*67e74705SXin Li// RUN: not %clang_cc1 -fsyntax-only -fblocks -Wno-objc-root-class %s 2>&1 | FileCheck %s 5*67e74705SXin Li// rdar://11761511 6*67e74705SXin Li 7*67e74705SXin Liextern void doSomething(); 8*67e74705SXin Li 9*67e74705SXin Li@interface Test 10*67e74705SXin Li{ 11*67e74705SXin Li@public 12*67e74705SXin Li void (^aBlock)(void); 13*67e74705SXin Li} 14*67e74705SXin Li@property (retain) void (^aBlock)(void); 15*67e74705SXin Li@property (weak, retain) void (^aBlockW)(void); 16*67e74705SXin Li@property (strong, retain) void (^aBlockS)(void); // OK 17*67e74705SXin Li@property (readonly, retain) void (^aBlockR)(void); // OK 18*67e74705SXin Li@property (copy, retain) void (^aBlockC)(void); 19*67e74705SXin Li@property (assign, retain) void (^aBlockA)(void); 20*67e74705SXin Li@end 21*67e74705SXin Li 22*67e74705SXin Li@implementation Test 23*67e74705SXin Li@synthesize aBlock; 24*67e74705SXin Li@dynamic aBlockW, aBlockS, aBlockR, aBlockC, aBlockA; 25*67e74705SXin Li@end 26*67e74705SXin Li 27*67e74705SXin Liint main() { 28*67e74705SXin Li Test *t; 29*67e74705SXin Li t.aBlock = ^{ doSomething(); }; 30*67e74705SXin Li t.aBlockW = ^{ doSomething(); }; 31*67e74705SXin Li t.aBlockS = ^{ doSomething(); }; 32*67e74705SXin Li} 33*67e74705SXin Li 34*67e74705SXin Li// CHECK-ARC: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead 35*67e74705SXin Li// CHECK-ARC: @property (retain) void (^aBlock)(void); 36*67e74705SXin Li// CHECK-ARC: ^ 37*67e74705SXin Li// CHECK-ARC: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive 38*67e74705SXin Li// CHECK-ARC: @property (weak, retain) void (^aBlockW)(void); 39*67e74705SXin Li// CHECK-ARC: ^ 40*67e74705SXin Li// CHECK-ARC: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive 41*67e74705SXin Li// CHECK-ARC: @property (copy, retain) void (^aBlockC)(void); 42*67e74705SXin Li// CHECK-ARC: ^ 43*67e74705SXin Li// CHECK-ARC: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive 44*67e74705SXin Li// CHECK-ARC: @property (assign, retain) void (^aBlockA)(void); 45*67e74705SXin Li// CHECK-ARC: ^ 46*67e74705SXin Li// CHECK-ARC: 30:13: warning: assigning block literal to a weak property; object will be released after assignment 47*67e74705SXin Li// CHECK-ARC: t.aBlockW = ^{ doSomething(); }; 48*67e74705SXin Li// CHECK-ARC: ^ ~~~~~~~~~~~~~~~~~~~ 49*67e74705SXin Li// CHECK-ARC: 2 warnings and 3 errors generated. 50*67e74705SXin Li 51*67e74705SXin Li// CHECK: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead 52*67e74705SXin Li// CHECK: @property (retain) void (^aBlock)(void); 53*67e74705SXin Li// CHECK: ^ 54*67e74705SXin Li// CHECK: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive 55*67e74705SXin Li// CHECK: @property (weak, retain) void (^aBlockW)(void); 56*67e74705SXin Li// CHECK: ^ 57*67e74705SXin Li// CHECK: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive 58*67e74705SXin Li// CHECK: @property (copy, retain) void (^aBlockC)(void); 59*67e74705SXin Li// CHECK: ^ 60*67e74705SXin Li// CHECK: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive 61*67e74705SXin Li// CHECK: @property (assign, retain) void (^aBlockA)(void); 62*67e74705SXin Li// CHECK: ^ 63*67e74705SXin Li// CHECK: 1 warning and 3 errors generated. 64