1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core,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 - (void)dealloc; 9 @end 10 11 @interface MyClass : NSObject { 12 @private 13 id _X; 14 id _Y; 15 id _Z; 16 id _K; 17 id _L; 18 id _N; 19 id _M; 20 id _P; 21 id _Q; 22 id _R; 23 id _S; 24 id _V; 25 id _W; 26 27 MyClass *_other; 28 29 id _nonPropertyIvar; 30 } 31 @property(retain) id X; 32 @property(retain) id Y; 33 @property(assign) id Z; 34 @property(assign) id K; 35 @property(weak) id L; 36 @property(readonly) id N; 37 @property(retain) id M; 38 @property(weak) id P; 39 @property(weak) id Q; 40 @property(retain) id R; 41 @property(weak, readonly) id S; 42 43 @property(assign, readonly) id T; // Shadowed in class extension 44 @property(assign) id U; 45 46 @property(retain) id V; 47 @property(retain) id W; 48 -(id) O; 49 -(void) setO: (id) arg; 50 @end 51 52 @interface MyClass () 53 // Shadows T to make it readwrite internally but readonly externally. 54 @property(assign, readwrite) id T; 55 @end 56 57 @implementation MyClass 58 @synthesize X = _X; 59 @synthesize Y = _Y; 60 @synthesize Z = _Z; 61 @synthesize K = _K; 62 @synthesize L = _L; 63 @synthesize N = _N; 64 @synthesize M = _M; 65 @synthesize Q = _Q; 66 @synthesize R = _R; 67 @synthesize V = _V; 68 @synthesize W = _W; 69 70 -(id) O{ return 0; } 71 -(void) setO:(id)arg { } 72 73 74 -(void) releaseInHelper { 75 [_R release]; // no-warning 76 _R = @"Hi"; 77 } 78 79 - (void)dealloc 80 { 81 82 [_X release]; 83 [_Z release]; // expected-warning{{The '_Z' ivar in 'MyClass' was synthesized for an assign, readwrite property but was released in 'dealloc'}} 84 [_T release]; // no-warning 85 86 [_other->_Z release]; // no-warning 87 [_N release]; 88 89 self.M = 0; // This will release '_M' 90 [self setV:0]; // This will release '_V' 91 [self setW:@"newW"]; // This will release '_W', but retain the new value 92 93 [_S release]; // expected-warning {{The '_S' ivar in 'MyClass' was synthesized for a weak property but was released in 'dealloc'}} 94 95 self.O = 0; // no-warning 96 97 [_Q release]; // expected-warning {{The '_Q' ivar in 'MyClass' was synthesized for a weak property but was released in 'dealloc'}} 98 99 self.P = 0; 100 101 [self releaseInHelper]; 102 103 [_nonPropertyIvar release]; // no-warning 104 105 // Silly, but not an error. 106 if (!_U) 107 [_U release]; 108 109 [super dealloc]; 110 // expected-warning@-1{{The '_Y' ivar in 'MyClass' was retained by a synthesized property but not released before '[super dealloc]'}} 111 // expected-warning@-2{{The '_W' ivar in 'MyClass' was retained by a synthesized property but not released before '[super dealloc]'}} 112 113 } 114 115 @end 116 117
