1 // RUN: %clang_cc1 -fsyntax-only -verify -Wattributes -Wobjc-root-class %s 2 @interface RootClass {} // expected-warning {{class 'RootClass' defined without specifying a base class}} \ 3 // expected-note {{add a super class to fix this problem}} 4 @end 5 @implementation RootClass 6 @end 7 8 __attribute__((objc_root_class)) 9 @interface NonRootClass : RootClass // expected-error {{objc_root_class attribute may only be specified on a root class declaration}} 10 @end 11 @implementation NonRootClass 12 @end 13 14 __attribute__((objc_root_class)) static void nonClassDeclaration() // expected-error {{'objc_root_class' attribute only applies to Objective-C interfaces}} 15 { 16 } 17 18 __attribute__((objc_root_class(1))) // expected-error {{'objc_root_class' attribute takes no arguments}} 19 @interface I1 20 @end 21
