forked from OSchip/llvm-project
53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
// 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);
|
|
}
|