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/* Test the -fconstant-string-class=Foo option under the NeXT
   runtime.  */
/* Developed by Markus Hitter <mah@jump-ing.de>.  */
 
/* { dg-options "-fnext-runtime -fconstant-string-class=Foo -lobjc" } */
/* { dg-do run { target *-*-darwin* } } */
 
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <objc/objc.h>
#include <objc/Object.h>
 
@interface Foo: Object {
  char *cString;
  unsigned int len;
}
- (char *)customString;
@end
 
struct objc_class _FooClassReference;
 
@implementation Foo : Object
- (char *)customString {
  return cString;
}
@end
 
int main () {
  Foo *string = @"bla";
  Foo *string2 = @"bla";
 
  if(string != string2)
    abort();
  printf("Strings are being uniqued properly\n");
 
  /* This memcpy has to be done before the first message is sent to a
     constant string object. Can't be moved to +initialize since _that_
     is already a message. */
 
  memcpy(&_FooClassReference, objc_getClass("Foo"), sizeof(_FooClassReference));
  if (strcmp ([string customString], "bla")) {
    abort ();
  }
 
  printf([@"This is a working constant string object\n" customString]);
  return 0;
}