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// RUN: %clang_cc1 -std=c++11 -fsyntax-only %s -verify
@interface A
- knownMethod;
@end
@interface B
- unknownMethod;
@end
@interface C : A
- knownMethod;
@end
template<typename T> struct RetainPtr {
explicit operator T*() const;
};
void methodCallToSpecific(RetainPtr<A> a) {
[a knownMethod];
[a unknownMethod]; // expected-warning{{'A' may not respond to 'unknownMethod'}}
}
void explicitCast(RetainPtr<A> a, RetainPtr<B> b, RetainPtr<C> c) {
(void)(A*)a;
(void)(A*)b; // expected-error{{cannot convert 'RetainPtr<B>' to 'A *' without a conversion operator}}
(void)(A*)c;
(void)(C*)a;
(void)static_cast<A*>(a);
(void)static_cast<A*>(b); // expected-error{{cannot convert 'RetainPtr<B>' to 'A *' without a conversion operator}}
(void)static_cast<A*>(c);
}
struct Incomplete; // expected-note{{forward declaration}}
void methodCallToIncomplete(Incomplete &incomplete) {
[incomplete knownMethod]; // expected-error{{incomplete receiver type 'Incomplete'}}
}
struct IdPtr {
explicit operator id() const;
};
void methodCallToId(IdPtr a) {
[a knownMethod];
[a unknownMethod];
}
void explicitCast(IdPtr a) {
(void)(A*)a;
(void)static_cast<A*>(a);
}
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