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jeremybenn |
/* Test the -fconstant-cfstrings option for constructing
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compile-time immutable CFStrings, and their interoperation
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with both Cocoa and CoreFoundation. This will only work
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on MacOS X 10.1.2 and later. */
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/* Developed by Ziemowit Laski <zlaski@apple.com>. */
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/* So far, CFString is darwin-only. */
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/* { dg-do run { target *-*-darwin* } } */
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/* { dg-skip-if "NeXT only" { *-*-* } { "-fgnu-runtime" } { "" } } */
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/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
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/* { dg-options "-mconstant-cfstrings -framework Cocoa" } */
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/* Darwin10's linker emits a warning that the constant strings are incompatible with writable ones.
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Well, we don't implement writable ones at this juncture. */
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/* { dg-options "-mconstant-cfstrings -framework Cocoa -Wl,-w" { target *-*-darwin[123]* } } */
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#import <Foundation/NSString.h>
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#import <CoreFoundation/CFString.h>
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#include <stdlib.h>
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void printOut(NSString *str) {
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NSLog(@"The value of str is: %@", str);
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}
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CFStringRef s0a = CFSTR("Compile-time string literal");
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CFStringRef s0b = CFSTR("Compile-time string literal");
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void checkNSRange(NSRange r) {
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if (r.location != 6 || r.length != 5) {
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printOut(@"Range check failed");
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abort();
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}
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}
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void checkCFRange(CFRange r) {
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if (r.location != 6 || r.length != 5) {
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printOut(@"Range check failed");
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abort();
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}
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}
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int main(void) {
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const NSString *s1 = @"Compile-time string literal";
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CFStringRef s2 = CFSTR("Compile-time string literal");
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checkNSRange([@"Hello World" rangeOfString:@"World"]);
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checkNSRange([(id)CFSTR("Hello World") rangeOfString:@"World"]);
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checkNSRange([@"Hello World" rangeOfString:(id)CFSTR("World")]);
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checkNSRange([(id)CFSTR("Hello World") rangeOfString:(id)CFSTR("World")]);
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checkCFRange(CFStringFind((CFStringRef)@"Hello World", (CFStringRef)@"World", 0));
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checkCFRange(CFStringFind(CFSTR("Hello World"), (CFStringRef)@"World", 0));
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checkCFRange(CFStringFind((CFStringRef)@"Hello World", CFSTR("World"), 0));
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checkCFRange(CFStringFind(CFSTR("Hello World"), CFSTR("World"), 0));
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/* Check for string uniquing. */
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if (s0a != s0b || s0a != s2 || s1 != (id)s2) {
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NSLog(@"String uniquing failed");
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abort ();
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}
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return 0;
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}
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