blob: e23558114bcd24fd050dcaba931f67ae9077347a [file] [log] [blame]
/* Test assignments and comparisons involving category protocols. */
/* Author: Nicola Pero <nicola@brainstorm.co.uk>. */
/* { dg-do compile } */
#include <objc/objc.h>
@protocol MyProtocol
- (void) method;
@end
@interface MyClass
@end
@interface MyClass (Addition) <MyProtocol>
- (void) method;
@end
@interface MyOtherClass : MyClass
@end
int main()
{
id <MyProtocol> obj_p = nil;
MyClass *obj_cp = nil;
MyOtherClass *obj_cp2 = nil;
obj_cp = obj_p; /* { dg-warning "distinct Objective\\-C type" } */
obj_cp2 = obj_p; /* { dg-warning "distinct Objective\\-C type" } */
obj_p = obj_cp; /* Ok */
obj_p = obj_cp2; /* Ok */
if (obj_cp == obj_p) ; /* Ok */
if (obj_cp2 == obj_p) ; /* Ok */
if (obj_p == obj_cp) ; /* Ok */
if (obj_p == obj_cp2) ; /* Ok */
return 0;
}