Retro68/gcc/gcc/testsuite/objc.dg/protocol-qualifier-1.m
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

34 lines
820 B
Objective-C

/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
/* { dg-do compile } */
/* Test that protocol qualifiers work in the same way with @class and @interface. */
#include <objc/objc.h>
@protocol MyProtocol
- (void) method;
@end
/* This first snippet gives no warnings, which is correct as 'object'
implements <MyProtocol> and hence responds to 'method'. Note how
the details of the class 'MyClass' are never used. */
@interface MyClass
@end
void test (MyClass <MyProtocol> *object)
{
[object method];
}
/* This second snippet should behave identically. 'object' still implements
the same protocol and responds to 'method'. The details of MyClass or
MyClass2 are irrelevant. */
@class MyClass2;
void test2 (MyClass2 <MyProtocol> *object)
{
[object method];
}