1// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount,alpha.core -pedantic -analyzer-store=region -verify -Wno-objc-root-class %s
2
3// BEGIN delta-debugging reduced header stuff
4
5typedef signed char BOOL;
6typedef unsigned int NSUInteger;
7typedef struct _NSZone NSZone;
8@class NSCoder;
9@protocol NSObject
10- (BOOL)isEqual:(id)object;
11- (id)retain;
12- (oneway void)release;
13@end
14@protocol NSCopying
15- (id)copyWithZone:(NSZone *)zone;
16@end
17@protocol NSCoding
18- (void)encodeWithCoder:(NSCoder *)aCoder;
19@end
20@interface NSObject <NSObject> {}
21- (id)init;
22+ (id)alloc;
23@end
24typedef double NSTimeInterval;
25enum { NSAnimationEaseInOut, NSAnimationEaseIn, NSAnimationEaseOut, NSAnimationLinear };
26typedef NSUInteger NSAnimationCurve;
27@interface NSAnimation : NSObject <NSCopying, NSCoding> {}
28- (id)initWithDuration:(NSTimeInterval)duration animationCurve:(NSAnimationCurve)animationCurve;
29- (void)startAnimation;
30- (void)setDelegate:(id)delegate;
31@end
32
33// END delta-debugging reduced header stuff
34
35// From NSAnimation Class Reference
36// -(void)startAnimation
37// The receiver retains itself and is then autoreleased at the end 
38// of the animation or when it receives stopAnimation.
39
40@interface MyClass { }
41- (void)animationDidEnd:(NSAnimation *)animation;
42@end
43
44@implementation MyClass
45- (void)f1 {  
46  // NOTE: The analyzer doesn't really handle this; it just stops tracking
47  // 'animation' when it is sent the message 'setDelegate:'.
48  NSAnimation *animation = [[NSAnimation alloc]   // no-warning
49                            initWithDuration:1.0 
50                            animationCurve:NSAnimationEaseInOut];
51  
52  [animation setDelegate:self];
53  [animation startAnimation]; 
54}
55
56- (void)f2 {
57  NSAnimation *animation = [[NSAnimation alloc]  // expected-warning{{leak}}
58                            initWithDuration:1.0 
59                            animationCurve:NSAnimationEaseInOut];
60
61  [animation startAnimation]; 
62}
63
64- (void)animationDidEnd:(NSAnimation *)animation {
65  [animation release];
66}
67@end
68