gistfile1.m

#import <Foundation/Foundation.h>

@interface MyObject : NSObject

- (id)initWithName:(NSString*)name;

@property (nonatomic, retain) NSString* name;

@end

@implementation MyObject

- (id)initWithName:(NSString*)name {
    self = [self init];
	if(self != nil) {
		self.name = name;
		
		NSLog(@"> %@ %lu init", self.name, self.retainCount);
	}
	return self;
}

- (void)dealloc {
	self.name = nil;
	
	[super dealloc];
}

- (id)retain {
	id r = [super retain];
	
	NSLog(@"> %@ %lu retain", self.name, self.retainCount);

	return r;
}

- (oneway void)release {
	NSString* name = [self.name retain];
	NSUInteger retainCount = self.retainCount - 1;

	[super release];

	NSLog(@"> %@ %lu release", name, retainCount);
	
	[name release];	
}

- (id)autorelease {
	id r = [super autorelease];

	NSLog(@"> %@ %lu autorelease", self.name, self.retainCount);
	
	return r;
}

@end

@interface OtherObject : NSObject

@property (nonatomic, retain) MyObject* myObject;

@end

@implementation OtherObject

- (void)dealloc {
	self.myObject = nil;
	
	[super dealloc];
}

@end

int main(int argc, const char** argv) {
	@autoreleasepool {
		{
			OtherObject* otherObject = [[OtherObject alloc] init];

			{
				MyObject* myObject = [[MyObject alloc] initWithName:@"C"];
				otherObject.myObject = myObject;
				[myObject release];
			}
			
			NSLog(@"%@", otherObject.myObject);
			
			{
				MyObject* myObject = [[MyObject alloc] initWithName:@"D"];
				otherObject.myObject = myObject;
				[myObject release];
			}

			NSLog(@"%@", otherObject.myObject);
			
			[otherObject release];
		}
	}
    return 0;
}