58 lines
1.3 KiB
Objective-C
58 lines
1.3 KiB
Objective-C
/* Test for handling of protocol hierarchies. */
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/* Author: Ziemowit Laski <zlaski@apple.com>. */
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/* { dg-do compile } */
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/* { dg-additional-options "-Wno-objc-root-class" } */
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/* One-line substitute for objc/objc.h */
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typedef struct objc_object { struct objc_class *class_pointer; } *id;
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@protocol NSObj
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- (void)someMethod;
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@end
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@protocol NSCopying
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- (void)someOtherMethod;
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@end
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@interface NSObject <NSObj>
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- (void)someMethod;
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@end
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@implementation NSObject
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- (void)someMethod {}
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@end
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@protocol Booing <NSObj>
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- (void)boo;
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@end
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@interface Boo: NSObject <Booing> // protocol has only one parent
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@end
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@implementation Boo
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- (void)boo {}
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@end
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@protocol Fooing <NSCopying, NSObj> // Fooing has two parent protocols
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- (void)foo;
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@end
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@interface Foo: NSObject <Fooing>
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@end
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@implementation Foo
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- (void)foo {}
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- (void)someOtherMethod {}
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@end
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int foo(void) {
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id<Booing, Fooing> stupidVar;
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[stupidVar boo];
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[stupidVar foo];
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[stupidVar anotherMsg]; /* { dg-warning ".\\-anotherMsg. not found in protocol" } */
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/* { dg-warning "no .\\-anotherMsg. method found" "" { target *-*-* } .-1 } */
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return 0;
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}
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/* { dg-warning "messages without a matching method signature will be assumed to return .id. and accept .\.\.\.. as arguments" "" { target *-*-* } 0 } */
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