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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" } */