1 /* Test whether the __builtin__CFStringMakeConstantString
2    "function" fails gracefully when handed a non-constant
3    argument.  This will only work on MacOS X 10.1.2 and later.  */
4 /* Developed by Ziemowit Laski <zlaski@apple.com>.  */
5 
6 /* { dg-do compile { target *-*-darwin* } } */
7 /* { dg-options "-ftrack-macro-expansion=0 -mconstant-cfstrings" } */
8 
9 #include <CoreFoundation/CFString.h>
10 
11 #ifdef __CONSTANT_CFSTRINGS__
12 #undef CFSTR
13 #define CFSTR(STR)  ((CFStringRef) __builtin___CFStringMakeConstantString (STR))
14 #endif
15 
16 extern int cond;
17 extern const char *func(void);
18 
main(void)19 int main(void) {
20   CFStringRef s1 = CFSTR("Str1");
21   CFStringRef s2 = CFSTR(cond? "Str2": "Str3"); /* { dg-error "CFString literal expression is not a string constant" } */
22   CFStringRef s3 = CFSTR(func());  /* { dg-error "CFString literal expression is not a string constant" } */
23 
24   return 0;
25 }
26