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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [obj-c++.dg/] [protocol-inheritance-1.mm] - Rev 706
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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
/* { dg-do compile } */
/* { dg-options "-Wno-protocol" } */
#include <objc/objc.h>
/* Test the -Wno-protocol flag. With this, at a class is accepted
(with no warnings) as conforming to a protocol even if some
protocol methods are implemented in the superclass. */
@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)
but that still makes it conform to the protocol. No warnings. */
@interface MySubClass : MyRootClass <MyProtocol>
@end
@implementation MySubClass
@end /* No warnings here. */
/* 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 *-*-* } 50 } */
/* { dg-warning "method definition for .\\-method2. not found" "" { target *-*-* } 50 } */
/* { dg-warning "class .MySubClass2. does not fully implement the .MyProtocol2. protocol" "" { target *-*-* } 50 } */
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