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