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/* Test warnings when using -fobjc-std=objc1.  */
/* { dg-do compile } */
/* { dg-options "-fobjc-std=objc1" } */
 
#include <objc/objc.h>
 
@interface MyRootClass
{
  Class isa;
@package /* { dg-error "not available in Objective.C 1.0" } */
  int a;
  int b;
}
+ (id) alloc __attribute__ ((deprecated)); /* { dg-error "not available in Objective.C 1.0" } */
+ (id) name;
- (id) init;
- (id) testMe: (id) __attribute__((unused)) argument; /* { dg-error "not available in Objective.C 1.0" } */
@property (nonatomic) int a; /* { dg-error "not available in Objective.C 1.0" } */
@property (nonatomic) int b; /* { dg-error "not available in Objective.C 1.0" } */
@end
 
@implementation MyRootClass
+ (id) alloc { return self; }
+ (id) name { return self; }
- (id) init  { return self; }
- (id) testMe: (id) __attribute__((unused)) argument { return self; } /* { dg-error "not available in Objective.C 1.0" } */
@synthesize a; /* { dg-error "not available in Objective.C 1.0" } */
@dynamic b; /* { dg-error "not available in Objective.C 1.0" } */
@end
 
__attribute__ ((deprecated))
@interface MyRootClass2
{  /* { dg-error "class attributes are not available in Objective.C 1.0" } */
  Class isa;
}
@end
 
__attribute__ ((deprecated))
@protocol MyProtocol
- (id) test; /* { dg-error "protocol attributes are not available in Objective.C 1.0" } */
@required /* { dg-error "not available in Objective.C 1.0" } */
- (id) variable __attribute__ ((deprecated)); /* { dg-error "not available in Objective.C 1.0" } */
@optional /* { dg-error "not available in Objective.C 1.0" } */
@end
 
@interface MyRootClass (NSFastEnumeration)
- (unsigned long)countByEnumeratingWithState: (struct __objcFastEnumerationState *)state
                                     objects:(id *)stackbuf 
                                       count:(unsigned int)len;
@end
 
@class NSArray;
 
int array_length (NSArray *array)
{
  int i = 0;
 
  for (id object in array) /* { dg-error "not available in Objective.C 1.0" } */
    i++;
 
  return i;
}
 
id test (void)
{
  return MyRootClass.name; /* { dg-error "not available in Objective.C 1.0" } */
}
 
@interface MyRootClass3
{
  Class isa;
}
@end
 
@interface MyRootClass3 ()
@end /* { dg-error "not available in Objective.C 1.0" } */