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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */

/* { dg-do compile } */

#include <objc/objc.h>

/* Test standard warnings when a class conforms to a protocol but some

   methods are implemented in the superclass.  Use -Wno-protocol to

   turn these off.  */

@protocol MyProtocol

- (int)method;

@end

@protocol MyProtocol2

- (int)method2;

@end

/* The superclass implements the method required by the protocol.  */

@interface MyRootClass

{

  Class isa;

}

- (int)method;

@end

@implementation MyRootClass

- (int)method

{

  return 23;

}

@end

/* The subclass inherits the method (does not implement it directly)

   and unless -Wno-protocol is used, we emit a warning.  */

@interface MySubClass : MyRootClass <MyProtocol>

@end

@implementation MySubClass

@end

/* { dg-warning "incomplete implementation of class .MySubClass." "" { target *-*-* } 39 } */

/* { dg-warning "method definition for .\\-method. not found" "" { target *-*-* } 39 } */

/* { dg-warning "class .MySubClass. does not fully implement the .MyProtocol. protocol" "" { target *-*-* } 39 } */

/* The subclass instead does not inherit the method method2 (and does

   not implement it directly) so it does not conform to the

   protocol MyProtocol2.  */

@interface MySubClass2 : MyRootClass <MyProtocol2>

@end

@implementation MySubClass2

@end /* Warnings here, below.  */

/* { dg-warning "incomplete implementation of class .MySubClass2." "" { target *-*-* } 53 } */

/* { dg-warning "method definition for .\\-method2. not found" "" { target *-*-* } 53 } */

/* { dg-warning "class .MySubClass2. does not fully implement the .MyProtocol2. protocol" "" { target *-*-* } 53 } */