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#import <Foundation/Foundation.h>
#include <stdio.h>
@interface MyString : NSObject {
NSString *str;
NSDate *date;
BOOL _is_valid;
}
- (id)initWithNSString:(NSString *)string;
- (BOOL)isValid;
@end
@implementation MyString
- (id)initWithNSString:(NSString *)string
{
if (self = [super init])
{
str = [NSString stringWithString:string];
date = [NSDate date];
}
_is_valid = YES;
return self;
}
- (BOOL)isValid
{
return _is_valid;
}
- (void)dealloc
{
[date release];
[str release];
[super dealloc];
}
- (NSString *)description
{
return [str stringByAppendingFormat:@" with timestamp: %@", date];
}
@end
void
Test_MyString (const char *program)
{
NSString *str = [NSString stringWithFormat:@"Hello from '%s'", program];
MyString *my = [[MyString alloc] initWithNSString:str];
if ([my isValid])
printf("my is valid!\n");
NSLog(@"NSString instance: %@", [str description]); // Set breakpoint here.
// Test 'p (int)[my isValid]'.
// The expression parser should not crash -- rdar://problem/9691614.
NSLog(@"MyString instance: %@", [my description]);
}
int main (int argc, char const *argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
Test_MyString (argv[0]);
[pool release];
return 0;
}
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