diff options
Diffstat (limited to 'test/Analysis/PR2978.m')
-rw-r--r-- | test/Analysis/PR2978.m | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/Analysis/PR2978.m b/test/Analysis/PR2978.m new file mode 100644 index 0000000..7bc90b8 --- /dev/null +++ b/test/Analysis/PR2978.m @@ -0,0 +1,61 @@ +// RUN: clang-cc -analyze -warn-objc-missing-dealloc %s -verify + +// Tests for the checker which checks missing/extra ivar 'release' calls +// in dealloc. + +@interface NSObject +- (void)release; +- dealloc; +@end + +@interface MyClass : NSObject { +@private + id _X; + id _Y; + id _Z; + id _K; + id _N; + id _M; + id _V; + id _W; +} +@property(retain) id X; +@property(retain) id Y; +@property(assign) id Z; +@property(assign) id K; +@property(readonly) id N; +@property(retain) id M; +@property(retain) id V; +@property(retain) id W; +-(id) O; +-(void) setO: (id) arg; +@end + +@implementation MyClass +@synthesize X = _X; +@synthesize Y = _Y; // expected-warning{{The '_Y' instance variable was retained by a synthesized property but wasn't released in 'dealloc'}} +@synthesize Z = _Z; // expected-warning{{The '_Z' instance variable was not retained by a synthesized property but was released in 'dealloc'}} +@synthesize K = _K; +@synthesize N = _N; +@synthesize M = _M; +@synthesize V = _V; +@synthesize W = _W; // expected-warning{{The '_W' instance variable was retained by a synthesized property but wasn't released in 'dealloc'}} + +-(id) O{ return 0; } +-(void) setO:(id)arg { } + +- (id)dealloc +{ + [_X release]; + [_Z release]; + [_N release]; + + self.M = 0; // This will release '_M' + [self setV:0]; // This will release '_V' + [self setW:@"newW"]; // This will release '_W', but retain the new value + self.O = 0; // no-warning + [super dealloc]; +} + +@end + |