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111
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1 /* Test whether the __builtin__CFStringMakeConstantString
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2 "function" fails gracefully when handed a non-constant
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3 argument. This will only work on MacOS X 10.1.2 and later. */
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4 /* Developed by Ziemowit Laski <zlaski@apple.com>. */
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5
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6 /* { dg-do compile { target *-*-darwin* } } */
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7 /* { dg-options "-mconstant-cfstrings" } */
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8
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9 typedef const struct __CFString *CFStringRef;
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10
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11 #ifdef __CONSTANT_CFSTRINGS__
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12 #define CFSTR(STR) ((CFStringRef) __builtin___CFStringMakeConstantString (STR))
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13 #else
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14 #error __CONSTANT_CFSTRINGS__ not defined
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15 #endif
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16
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17 extern int cond;
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18 extern const char *func(void);
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19
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20 const CFStringRef s0 = CFSTR("Hello" "there");
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21
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22 int main(void) {
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23 CFStringRef s1 = CFSTR("Str1");
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24 CFStringRef s2 = CFSTR(cond? "Str2": "Str3"); /* { dg-error "CFString literal expression is not a string constant" } */
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25 CFStringRef s3 = CFSTR(func()); /* { dg-error "CFString literal expression is not a string constant" } */
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26
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27 return 0;
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28 }
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