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

/* { dg-do compile } */

/* Test that all protocols appearing in @interface declarations are

   real (ie, we saw a full @protocol definition with list of methods),

   and not just forward-references (ie, "@protocol NSObject;").  This

   test checks protocols implemented by other protocols.  */

#include <objc/objc.h>

@protocol MyProtocol;

@interface MyClass <MyProtocol> /* { dg-warning "definition of protocol .MyProtocol. not found" } */

@end

@protocol MyProtocol2 <MyProtocol>

- (int)method2;

@end

@interface MyClass2 <MyProtocol2> /* { dg-warning "definition of protocol .MyProtocol. not found" } */

- (int)method2;

@end

@protocol MyProtocol3 <MyProtocol2>

- (int)method3;

@end

@interface MyClass3 <MyProtocol3>  /* { dg-warning "definition of protocol .MyProtocol. not found" } */

- (int)method2;

- (int)method3;

@end

@protocol MyProtocol4 <MyProtocol3, MyProtocol2>

- (int)method4;

@end

@interface MyClass4 <MyProtocol4>  /* { dg-warning "definition of protocol .MyProtocol. not found" } */

- (int)method2;

- (int)method3;

- (int)method4;

@end

@protocol MyProtocol5

- (int)method5;

@end

@interface MyClass5 <MyProtocol5> /* Ok */

- (int)method5;

@end

@protocol MyProtocol6 <MyProtocol5>

- (int)method6;

@end

@interface MyClass6 <MyProtocol6> /* Ok */

- (int)method5;

- (int)method6;

@end

@protocol MyProtocol7 <MyProtocol5, MyProtocol4>

- (int)method7;

@end

@interface MyClass7 <MyProtocol7> /* { dg-warning "definition of protocol .MyProtocol. not found" } */

- (int)method2;

- (int)method3;

- (int)method4;

- (int)method5;

- (int)method7;

@end

/* Now test that if we finally define MyProtocol, the warnings go away.  */

@protocol MyProtocol

- (int)method;

@end

@protocol MyProtocol8 <MyProtocol5, MyProtocol4>

- (int)method8;

@end

@interface MyClass8 <MyProtocol8> /* Ok */

- (int)method;

- (int)method2;

- (int)method3;

- (int)method4;

- (int)method5;

- (int)method8;

@end