setValue:forKey: for readonly property test

gistfile1.m

#import <Foundation/Foundation.h>

@interface Test1 : NSObject
@end

@implementation Test1
- (id)retain {
    return [super retain];
}
- (oneway void)release {
    [super release];
}
- (void)dealloc {
    [super dealloc];
}
@end

@interface Test2 : NSObject
@property(nonatomic, retain, readonly) Test1 *test1;
@end

@implementation Test2
- (id)retain {
    return [super retain];
}
- (oneway void)release {
    [super release];
}

- (void)dealloc {
    [_test1 release];
    [super dealloc];
}
@end

int main(int argc, const char * argv[])
{
    @autoreleasepool {
        Test2 *test2 = [[[Test2 alloc] init] autorelease];
        [test2 setValue:[[[Test1 alloc] init] autorelease] forKey:@"test1"];
    }
    return 0;
}