| 1 | // RUN: %clang_analyze_cc1 -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 | |
|---|