// RUN: %clang_cc1 -analyze -analyzer-checker=core,osx.cocoa.RetainCount -analyzer-store=region -verify %s typedef signed char BOOL; typedef unsigned int NSUInteger; typedef struct _NSZone NSZone; @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; @protocol NSObject - (BOOL)isEqual:(id)object; @end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; @end @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; @end @interface NSObject {} +(id)alloc; -(id)init; -(id)autorelease; -(id)copy; -(id)retain; @end @interface NSString : NSObject - (NSUInteger)length; -(id)initWithFormat:(NSString *)f,...; -(BOOL)isEqualToString:(NSString *)s; + (id)string; @end @interface NSNumber : NSObject {} +(id)alloc; -(id)initWithInteger:(int)i; @end // rdar://6946338 @interface Test1 : NSObject { NSString *text; } -(id)myMethod; @property (nonatomic, assign) NSString *text; @end @implementation Test1 @synthesize text; -(id)myMethod { Test1 *cell = [[[Test1 alloc] init] autorelease]; NSString *string1 = [[NSString alloc] initWithFormat:@"test %f", 0.0]; // expected-warning {{Potential leak}} cell.text = string1; return cell; } @end // rdar://8824416 @interface MyNumber : NSObject { NSNumber* _myNumber; } - (id)initWithNumber:(NSNumber *)number; @property (nonatomic, readonly) NSNumber* myNumber; @property (nonatomic, readonly) NSNumber* newMyNumber; @end @implementation MyNumber @synthesize myNumber=_myNumber; - (id)initWithNumber:(NSNumber *)number { self = [super init]; if ( self ) { _myNumber = [number copy]; } return self; } - (NSNumber*)newMyNumber { if ( _myNumber ) return [_myNumber retain]; return [[NSNumber alloc] initWithInteger:1]; } - (id)valueForUndefinedKey:(NSString*)key { id value = 0; if ([key isEqualToString:@"MyIvarNumberAsPropertyOverReleased"]) value = self.myNumber; // _myNumber will be over released, since the value returned from self.myNumber is not retained. else if ([key isEqualToString:@"MyIvarNumberAsPropertyOk"]) value = [self.myNumber retain]; // this line fixes the over release else if ([key isEqualToString:@"MyIvarNumberAsNewMyNumber"]) value = self.newMyNumber; // this one is ok, since value is returned retained else value = [[NSNumber alloc] initWithInteger:0]; return [value autorelease]; // expected-warning {{Object sent -autorelease too many times}} } @end NSNumber* numberFromMyNumberProperty(MyNumber* aMyNumber) { NSNumber* result = aMyNumber.myNumber; return [result autorelease]; // expected-warning {{Object sent -autorelease too many times}} } // rdar://6611873 @interface Person : NSObject { NSString *_name; } @property (retain) NSString * name; @end @implementation Person @synthesize name = _name; @end void rdar6611873() { Person *p = [[[Person alloc] init] autorelease]; p.name = [[NSString string] retain]; // expected-warning {{leak}} p.name = [[NSString alloc] init]; // expected-warning {{leak}} } @interface SubPerson : Person -(NSString *)foo; @end @implementation SubPerson -(NSString *)foo { return super.name; } @end