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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010. */
/* { dg-do compile } */
/* Test that you get a warning when an unknown protocol attribute is ignored. */
#include <objc/objc.h>
__attribute__ ((unknown_attribute))
@protocol MyProtocol /* { dg-warning "ignored" } */
- (id) new;
@end
__attribute__ ((unknown_attribute))
@protocol MyProtocol2; /* { dg-warning "ignored" } */
/* Use the protocols to double-check that no more warnings are
generated. */
@interface MyClass <MyProtocol>
@end
int test (id <MyProtocol2> x)
{
if (@protocol (MyProtocol) == @protocol (MyProtocol2))
return 1;
if (x)
return 2;
return 3;
}
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