1 // RUN: %clang_cc1 -analyze -analyzer-checker=alpha.core -analyzer-checker=alpha.osx.cocoa.Dealloc %s -verify 2 3 // Tests for the checker which checks missing/extra ivar 'release' calls 4 // in dealloc. 5 6 @interface NSObject 7 - (void)release; 8 - dealloc; 9 @end 10 11 @interface MyClass : NSObject { 12 @private 13 id _X; 14 id _Y; 15 id _Z; 16 id _K; 17 id _N; 18 id _M; 19 id _V; 20 id _W; 21 } 22 @property(retain) id X; 23 @property(retain) id Y; 24 @property(assign) id Z; 25 @property(assign) id K; 26 @property(readonly) id N; 27 @property(retain) id M; 28 @property(retain) id V; 29 @property(retain) id W; 30 -(id) O; 31 -(void) setO: (id) arg; 32 @end 33 34 @implementation MyClass 35 @synthesize X = _X; 36 @synthesize Y = _Y; // expected-warning{{The '_Y' instance variable was retained by a synthesized property but wasn't released in 'dealloc'}} 37 @synthesize Z = _Z; // expected-warning{{The '_Z' instance variable was not retained by a synthesized property but was released in 'dealloc'}} 38 @synthesize K = _K; 39 @synthesize N = _N; 40 @synthesize M = _M; 41 @synthesize V = _V; 42 @synthesize W = _W; // expected-warning{{The '_W' instance variable was retained by a synthesized property but wasn't released in 'dealloc'}} 43 44 -(id) O{ return 0; } 45 -(void) setO:(id)arg { } 46 47 - (id)dealloc 48 { 49 [_X release]; 50 [_Z release]; 51 [_N release]; 52 53 self.M = 0; // This will release '_M' 54 [self setV:0]; // This will release '_V' 55 [self setW:@"newW"]; // This will release '_W', but retain the new value 56 self.O = 0; // no-warning 57 [super dealloc]; 58 return 0; 59 } 60 61 @end 62 63
