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/* Contributed by Nicola Pero , November 2010.  */

/* { dg-do compile } */

/* Test warnings and non-warnings with @optional @properties.  */

#include 

#include 

#include 

@interface MyRootClass

{

  Class isa;

}

+ (id) initialize;

+ (id) alloc;

- (id) init;

@end

@implementation MyRootClass

+ (id) initialize { return self; }

+ (id) alloc { return class_createInstance (self, 0); }

- (id) init { return self; }

@end

@protocol count

@optional

@property int count1;

@property (readonly) int count2;

@end

/* A class that implements all the properties.  */

@interface MySubClass1 : MyRootClass 

{

  int count1;

  int count2;

}

@end

@implementation MySubClass1

@synthesize count1;

@synthesize count2;

@end

/* A class that implements nothing; no warnings as the properties are

   all optional.  */

@interface MySubClass2 : MyRootClass 

@end

@implementation MySubClass2

@end

@protocol count2

@required

@property int count1;

@property (readonly) int count2;

@end

/* A class that implements all the properties.  */

@interface MySubClass3 : MyRootClass 

{

  int count1;

  int count2;

}

@end

@implementation MySubClass3

@synthesize count1;

@synthesize count2;

@end

/* A class that implements nothing; warnings as the properties are

   all required.  */

@interface MySubClass4 : MyRootClass 

@end

@implementation MySubClass4

@end

/* { dg-warning "incomplete implementation of class" "" { target *-*-* } 81 } */

/* { dg-warning "method definition for ..setCount1:. not found" "" { target *-*-* } 81 } */

/* { dg-warning "method definition for ..count1. not found" "" { target *-*-* } 81 } */

/* { dg-warning "method definition for ..count2. not found" "" { target *-*-* } 81 } */

/* { dg-warning "class .MySubClass4. does not fully implement the .count2. protocol" "" { target *-*-* } 81 } */