/* APPLE LOCAL file constant cfstrings */ /* Test the -fconstant-cfstrings option for constructing compile-time immutable CFStrings, and their interoperation with both Cocoa and CoreFoundation. This will only work on MacOS X 10.1.2 and later. */ /* Developed by Ziemowit Laski . */ /* { dg-options "-fconstant-cfstrings -framework Cocoa" } */ /* { dg-do run } */ #import #import #ifdef __CONSTANT_CFSTRINGS__ #undef CFSTR #define CFSTR(STR) ((CFStringRef) __builtin___CFStringMakeConstantString (STR)) #endif void printOut(NSString *str) { NSLog(@"The value of str is: %@", str); } void checkNSRange(NSRange r) { if (r.location != 6 || r.length != 5) { printOut(@"Range check failed"); abort(); } } void checkCFRange(CFRange r) { if (r.location != 6 || r.length != 5) { printOut(@"Range check failed"); abort(); } } int main(void) { NSString *s1 = @"Compile-time string literal"; CFStringRef s2 = CFSTR("Compile-time string literal"); if (s1 != (id)s2) { NSLog(@"String comparison failed"); abort (); } checkNSRange([@"Hello World" rangeOfString:@"World"]); checkNSRange([(id)CFSTR("Hello World") rangeOfString:@"World"]); checkNSRange([@"Hello World" rangeOfString:(id)CFSTR("World")]); checkNSRange([(id)CFSTR("Hello World") rangeOfString:(id)CFSTR("World")]); checkCFRange(CFStringFind((CFStringRef)@"Hello World", (CFStringRef)@"World", 0)); checkCFRange(CFStringFind(CFSTR("Hello World"), (CFStringRef)@"World", 0)); checkCFRange(CFStringFind((CFStringRef)@"Hello World", CFSTR("World"), 0)); checkCFRange(CFStringFind(CFSTR("Hello World"), CFSTR("World"), 0)); return 0; }