| // RUN: clang -fsyntax-only -verify %s |
| class X { |
| public: |
| operator bool(); |
| operator int() const; |
| |
| bool f() { |
| return operator bool(); |
| } |
| |
| float g() { |
| return operator float(); // expected-error{{no conversion function to type 'float'}} |
| } |
| }; |
| |
| operator int(); // expected-error{{conversion function must be a non-static member function}} |
| |
| operator int; // expected-error{{'operator int' cannot be the name of a variable or data member}} |
| |
| typedef int func_type(int); |
| typedef int array_type[10]; |
| |
| class Y { |
| public: |
| void operator bool(int, ...) const; // expected-error{{conversion function cannot have a return type}} \ |
| // expected-error{{conversion function cannot have any parameters}} \ |
| // expected-error{{conversion function cannot be variadic}} |
| operator func_type(); // expected-error{{conversion function cannot convert to a function type}} |
| operator array_type(); // expected-error{{conversion function cannot convert to an array type}} |
| }; |
| |
| |
| typedef int INT; |
| typedef INT* INT_PTR; |
| |
| class Z { |
| operator int(); // expected-error{{previous declaration is here}} |
| operator int**(); // expected-error{{previous declaration is here}} |
| |
| operator INT(); // expected-error{{conversion function cannot be redeclared}} |
| operator INT_PTR*(); // expected-error{{conversion function cannot be redeclared}} |
| }; |
| |
| |
| class A { }; |
| |
| class B : public A { |
| public: |
| operator A&() const; // expected-warning{{conversion function converting 'class B' to its base class 'class A' will never be used}} |
| operator const void() const; // expected-warning{{conversion function converting 'class B' to 'void const' will never be used}} |
| operator const B(); // expected-warning{{conversion function converting 'class B' to itself will never be used}} |
| }; |