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