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/* Check that the sizeof() operator works with ObjC classes and their aliases. */
/* Contributed by Ziemowit Laski <zlaski@apple.com>.  */
/* { dg-options "" } */
/* { dg-do run } */
 
#include "../objc-obj-c++-shared/Object1.h"
#include <objc/objc.h>
 
extern void abort(void);
#define CHECK_IF(expr) if(!(expr)) abort();
 
@interface Foo: Object {
  int a, b;
  float c, d;
}
@end
 
@implementation Foo
@end
 
typedef Object MyObject;
typedef struct Foo Foo_type;
 
@compatibility_alias AliasObject Object;
 
int main(void) {
  CHECK_IF(sizeof(Foo) > sizeof(Object) && sizeof(Object) > 0);
  CHECK_IF(sizeof(Foo) == sizeof(Foo_type));
  CHECK_IF(sizeof(Object) == sizeof(MyObject));
  CHECK_IF(sizeof(Object) == sizeof(AliasObject));
  return 0;
}
 
#include "../objc-obj-c++-shared/Object1-implementation.h"