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/* Test basic Objective-C foreach syntax.  This tests warnings and errors.  */

/* { dg-do compile } */

#import "../objc-obj-c++-shared/TestsuiteObject.h"

#import <objc/objc.h>

#undef  nil

#define nil ((id)0)

/*

struct __objcFastEnumerationState

{

  unsigned long state;

  id            *itemsPtr;

  unsigned long *mutationsPtr;

  unsigned long extra[5];

};

*/

@interface TestsuiteObject (NSFastEnumeration)

- (unsigned long)countByEnumeratingWithState: (struct __objcFastEnumerationState *)state

                                     objects:(id *)stackbuf

                                       count:(unsigned int)len;

- (id) enumerator;

- (Class) classEnumerator;

@end

int main (void)

{

  id array = nil;

  id object = nil;

  id *invalid = 0;

  for (object in array) /* Ok */

    ;

  for (object in nil) /* Ok */

    ;

  for (object in) /* { dg-error "missing collection in fast enumeration" } */

    ;

  for (object = nil in array) /* { dg-error "invalid iterating variable in fast enumeration" } */

    ;

  for (object in [object enumerator]) /* Ok */

    ;

  for (object in [object classEnumerator]) /* Ok */

    ;

  for (12 in array) /* { dg-error "invalid iterating variable in fast enumeration" } */

    ;               /* { dg-error "iterating variable in fast enumeration is not an object" "" { target *-*-* } 50 } */

  for (object in 12) /* { dg-error "collection in fast enumeration is not an object" } */

    ;

  for (object in invalid) /* { dg-error "collection in fast enumeration is not an object" } */

    ;

  for (invalid in [object enumerator]) /* { dg-error "iterating variable in fast enumeration is not an object" } */

    ;

  return 0;

}