64 lines
2.4 KiB
Objective-C
64 lines
2.4 KiB
Objective-C
// 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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// rdar://9829425
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// RUN: not %clang_cc1 -fsyntax-only -fblocks -Wno-objc-root-class %s 2>&1 | FileCheck %s
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// rdar://11761511
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extern void doSomething();
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@interface Test
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{
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@public
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void (^aBlock)(void);
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}
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@property (retain) void (^aBlock)(void);
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@property (weak, retain) void (^aBlockW)(void);
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@property (strong, retain) void (^aBlockS)(void); // OK
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@property (readonly, retain) void (^aBlockR)(void); // OK
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@property (copy, retain) void (^aBlockC)(void);
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@property (assign, retain) void (^aBlockA)(void);
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@end
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@implementation Test
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@synthesize aBlock;
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@dynamic aBlockW, aBlockS, aBlockR, aBlockC, aBlockA;
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@end
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int main() {
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Test *t;
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t.aBlock = ^{ doSomething(); };
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t.aBlockW = ^{ doSomething(); };
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t.aBlockS = ^{ doSomething(); };
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}
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// CHECK-ARC: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead
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// CHECK-ARC: @property (retain) void (^aBlock)(void);
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// CHECK-ARC: ^
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// CHECK-ARC: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive
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// CHECK-ARC: @property (weak, retain) void (^aBlockW)(void);
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// CHECK-ARC: ^
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// CHECK-ARC: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive
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// CHECK-ARC: @property (copy, retain) void (^aBlockC)(void);
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// CHECK-ARC: ^
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// CHECK-ARC: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive
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// CHECK-ARC: @property (assign, retain) void (^aBlockA)(void);
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// CHECK-ARC: ^
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// CHECK-ARC: 30:13: warning: assigning block literal to a weak property; object will be released after assignment
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// CHECK-ARC: t.aBlockW = ^{ doSomething(); };
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// CHECK-ARC: ^ ~~~~~~~~~~~~~~~~~~~
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// CHECK-ARC: 2 warnings and 3 errors generated.
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// CHECK: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead
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// CHECK: @property (retain) void (^aBlock)(void);
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// CHECK: ^
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// CHECK: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive
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// CHECK: @property (weak, retain) void (^aBlockW)(void);
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// CHECK: ^
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// CHECK: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive
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// CHECK: @property (copy, retain) void (^aBlockC)(void);
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// CHECK: ^
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// CHECK: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive
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// CHECK: @property (assign, retain) void (^aBlockA)(void);
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// CHECK: ^
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// CHECK: 1 warning and 3 errors generated.
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