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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, May 2011.  */
/* { dg-do compile } */
/* { dg-options "-Wall" } */

#include <objc/objc.h>
#include <stdlib.h>

@interface MyArray
{
  Class isa;
} 
+ (void) addObject: (id)object __attribute__ ((nonnull));
- (void) addObject: (id)object __attribute__ ((nonnull));

+ (void) insertObject: (id)object  atIndex: (size_t)index __attribute__ ((nonnull (1)));
- (void) insertObject: (id)object  atIndex: (size_t)index __attribute__ ((nonnull (1)));

+ (void) insertObject: (id)object  atIndex: (size_t)index  andObject: (id)anotherObject  atIndex: (size_t)anotherIndex __attribute__ ((nonnull (1, 3)));
- (void) insertObject: (id)object  atIndex: (size_t)index  andObject: (id)anotherObject  atIndex: (size_t)anotherIndex __attribute__ ((nonnull (1, 3)));

/* Test the behaviour with invalid code.  */
+ (void) removeObject: (id)object __attribute__ ((nonnull (0))); /* { dg-error "out-of-range" } */
- (void) removeObject: (id)object __attribute__ ((nonnull (0))); /* { dg-error "out-of-range" } */

+ (void) removeObject: (id)object __attribute__ ((nonnull (2))); /* { dg-error "out-of-range" } */
- (void) removeObject: (id)object __attribute__ ((nonnull (2))); /* { dg-error "out-of-range" } */

+ (void) removeObjectAtIndex: (size_t)object __attribute__ ((nonnull (1))); /* { dg-error "non-pointer operand" } */
- (void) removeObjectAtIndex: (size_t)object __attribute__ ((nonnull (1))); /* { dg-error "non-pointer operand" } */

+ (void) removeObject: (id)object __attribute__ ((nonnull (MyArray))); /* { dg-error "" } */
- (void) removeObject: (id)object __attribute__ ((nonnull (MyArray))); /* { dg-error "" } */
@end

void test (MyArray *object)
{
  [object addObject: object];
  [object addObject: nil]; /* { dg-warning "null argument where non-null required" } */

  [object insertObject: object atIndex: 4];
  [object insertObject: nil    atIndex: 4]; /* { dg-warning "null argument where non-null required" } */

  [object insertObject: object atIndex: 2 andObject: object atIndex: 3];
  [object insertObject: nil    atIndex: 2 andObject: object atIndex: 3]; /* { dg-warning "null argument where non-null required" } */
  [object insertObject: object atIndex: 2 andObject: nil    atIndex: 3]; /* { dg-warning "null argument where non-null required" } */
}