1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2*67e74705SXin Li 3*67e74705SXin Li@protocol SUPER; // expected-note {{protocol 'SUPER' has no definition}} 4*67e74705SXin Li 5*67e74705SXin Li@interface SUPER <SUPER> @end // expected-warning {{cannot find protocol definition for 'SUPER'}} 6*67e74705SXin Li 7*67e74705SXin Litypedef int INTF; // expected-note {{previous definition is here}} 8*67e74705SXin Li 9*67e74705SXin Li@interface INTF @end // expected-error {{redefinition of 'INTF' as different kind of symbol}} 10*67e74705SXin Li 11*67e74705SXin Li@interface OBJECT @end // expected-note {{previous definition is here}} 12*67e74705SXin Li 13*67e74705SXin Li@interface INTF1 : OBJECT @end // expected-note {{previous definition is here}} 14*67e74705SXin Li 15*67e74705SXin Li@interface INTF1 : OBJECT @end // expected-error {{duplicate interface definition for class 'INTF1'}} 16*67e74705SXin Li 17*67e74705SXin Litypedef int OBJECT; // expected-error {{redefinition of 'OBJECT' as different kind of symbol}} 18*67e74705SXin Li 19*67e74705SXin Litypedef int OBJECT2; // expected-note 2 {{previous definition is here}} 20*67e74705SXin Li@interface INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}} 21*67e74705SXin Li 22*67e74705SXin Li@implementation INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}} 23*67e74705SXin Li 24*67e74705SXin Li@protocol PROTO; 25*67e74705SXin Li 26*67e74705SXin Li@interface INTF3 : PROTO @end // expected-error {{cannot find interface declaration for 'PROTO', superclass of 'INTF3'}} 27*67e74705SXin Li 28*67e74705SXin Li// Make sure we allow the following (for GCC compatibility). 29*67e74705SXin Li@interface NSObject @end 30*67e74705SXin Litypedef NSObject TD_NSObject; 31*67e74705SXin Li@interface XCElementUnit : TD_NSObject {} 32*67e74705SXin Li@end 33*67e74705SXin Li 34*67e74705SXin Li// Make sure we don't typo-correct to ourselves. 35*67e74705SXin Li@interface SomeClassSub : SomeClassSup // expected-error{{cannot find interface declaration for 'SomeClassSup', superclass of 'SomeClassSub'}} 36*67e74705SXin Li@end 37