gcc/testsuite/obj-c++.dg/const-str-10.mm

   1 /* Test if ObjC constant string layout is checked properly, regardless of how
   2    constant string classes get derived.  */
   3 /* Contributed by Ziemowit Laski <zlaski@apple.com>  */
   4
   5 /* { dg-do compile { target *-*-darwin* } } */
   6 /* { dg-skip-if "" { *-*-* } { "-fgnu-runtime" } { "" } } */
   7
   8 #include "../objc-obj-c++-shared/Object1.h"
   9
  10 @interface NSString: Object
  11 @end
  12
  13 @interface NSSimpleCString : NSString {
  14 @protected
  15     char *bytes;
  16     unsigned int numBytes;
  17 }
  18 @end
  19
  20 @interface NSConstantString : NSSimpleCString
  21 @end
  22
  23 #ifdef NEXT_OBJC_USE_NEW_INTERFACE
  24 Class _NSConstantStringClassReference;
  25 #else
  26 extern struct objc_class _NSConstantStringClassReference;
  27 #endif
  28
  29 const NSConstantString *appKey = @"MyApp";
  30
  31 /* { dg-final { scan-assembler ".section __OBJC, __cstring_object" } } */
  32 /* { dg-final { scan-assembler ".long\t__NSConstantStringClassReference\n\t.long\t.*\n\t.long\t5\n\t.data" } } */