PR2978.m revision ccb55e3d0c173ed86ab440d9bf41c06fdddd39ef 
1// RUN: clang -warn-objc-missing-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@end
9
10@interface MyClass : NSObject {
11@private
12  id _X;
13  id _Y;
14  id _Z;
15  id _K;
16  id _N;
17  id _M;
18  id _V;
19  id _W;
20}
21@property(retain) id X;
22@property(retain) id Y;
23@property(assign) id Z;
24@property(assign) id K;
25@property(assign, readonly) id N;
26@property(retain) id M;
27@property(retain) id V;
28@property(retain) id W;
29-(id) O;
30-(void) setO: (id) arg;
31@end
32
33@implementation MyClass
34@synthesize X = _X;
35@synthesize Y = _Y; // expected-warning{{The '_Y' instance variable was retained by a synthesized property but wasn't released in 'dealloc'}}
36@synthesize Z = _Z; // expected-warning{{The '_Z' instance variable was not retained by a synthesized property but was released in 'dealloc'}}
37@synthesize K = _K;
38@synthesize N = _N;
39@synthesize M = _M;
40@synthesize V = _V;
41@synthesize W = _W; // expected-warning{{The '_W' instance variable was retained by a synthesized property but wasn't released in 'dealloc'}}
42
43-(id) O{ return 0; }
44-(void) setO:(id)arg { }
45
46- (void)dealloc
47{
48  [_X release];
49  [_Z release];
50  [_N release];
51  
52  self.M = 0; // This will release '_M'
53  [self setV:0]; // This will release '_V'
54  [self setW:@"newW"]; // This will release '_W', but retain the new value
55  self.O = 0; // no-warning  
56  [super dealloc];
57}
58
59@end
60
61