1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3class CppAbstractBase { 4public: 5 virtual void testA() = 0; 6 virtual void testB() = 0; // expected-note {{unimplemented pure virtual method 'testB' in 'CppConcreteSub}} 7 int a; 8}; 9 10class CppConcreteSub : public CppAbstractBase { 11 virtual void testA() { } 12}; 13 14@interface Objc { 15 CppConcreteSub _concrete; // expected-error{{instance variable type 'CppConcreteSub' is an abstract class}} 16} 17- (CppAbstractBase*)abstract; 18@property (nonatomic, readonly) const CppConcreteSub Prop; // expected-note {{property declared here}} 19@end 20 21@implementation Objc 22- (CppAbstractBase*)abstract { 23 return &_concrete; 24} 25@synthesize Prop; // expected-error {{synthesized instance variable type 'const CppConcreteSub' is an abstract class}} 26@end 27 28class Cpp { 29public: 30 CppConcreteSub sub; // expected-error {{field type 'CppConcreteSub' is an abstract class}} 31}; 32