const-cfstring-1.mm [plain text]
/* 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 <zlaski@apple.com>. */
/* { dg-do run { target powerpc-apple-darwin* } } */
/* { dg-options "-fconstant-cfstrings -framework Cocoa -lstdc++" } */
#import <Foundation/NSString.h>
#import <CoreFoundation/CFString.h>
extern void abort(void);
#ifdef __CONSTANT_CFSTRINGS__
#undef CFSTR
#define CFSTR(STR) ((CFStringRef) __builtin___CFStringMakeConstantString (STR))
#else
#error The -fconstant-cfstrings option is not functioning properly
#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;
}