| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // type_traits |
| |
| // member_function_pointer |
| |
| #include <type_traits> |
| #include "test_macros.h" |
| |
| // NOTE: On Windows the function `test_is_member_function<void()>` and |
| // `test_is_member_function<void() noexcept> has the same mangled despite being |
| // a distinct instantiation. This causes Clang to emit an error. However |
| // structs do not have this problem. |
| template <class T> |
| struct test_member_function_pointer_imp { |
| static_assert(!std::is_void<T>::value, ""); |
| #if TEST_STD_VER > 11 |
| static_assert(!std::is_null_pointer<T>::value, ""); |
| #endif |
| static_assert(!std::is_integral<T>::value, ""); |
| static_assert(!std::is_floating_point<T>::value, ""); |
| static_assert(!std::is_array<T>::value, ""); |
| static_assert(!std::is_pointer<T>::value, ""); |
| static_assert(!std::is_lvalue_reference<T>::value, ""); |
| static_assert(!std::is_rvalue_reference<T>::value, ""); |
| static_assert(!std::is_member_object_pointer<T>::value, ""); |
| static_assert( std::is_member_function_pointer<T>::value, ""); |
| static_assert(!std::is_enum<T>::value, ""); |
| static_assert(!std::is_union<T>::value, ""); |
| static_assert(!std::is_class<T>::value, ""); |
| static_assert(!std::is_function<T>::value, ""); |
| }; |
| |
| template <class T> |
| struct test_member_function_pointer : |
| test_member_function_pointer_imp<T>, |
| test_member_function_pointer_imp<const T>, |
| test_member_function_pointer_imp<volatile T>, |
| test_member_function_pointer_imp<const volatile T> |
| { |
| }; |
| |
| class Class |
| { |
| }; |
| |
| struct incomplete_type; |
| |
| int main() |
| { |
| test_member_function_pointer<void (Class::*)()>(); |
| test_member_function_pointer<void (Class::*)(int)>(); |
| test_member_function_pointer<void (Class::*)(int, char)>(); |
| |
| test_member_function_pointer<void (Class::*)() const>(); |
| test_member_function_pointer<void (Class::*)(int) const>(); |
| test_member_function_pointer<void (Class::*)(int, char) const>(); |
| |
| test_member_function_pointer<void (Class::*)() volatile>(); |
| test_member_function_pointer<void (Class::*)(int) volatile>(); |
| test_member_function_pointer<void (Class::*)(int, char) volatile>(); |
| |
| test_member_function_pointer<void (Class::*)(...)>(); |
| test_member_function_pointer<void (Class::*)(int, ...)>(); |
| test_member_function_pointer<void (Class::*)(int, char, ...)>(); |
| |
| test_member_function_pointer<void (Class::*)(...) const>(); |
| test_member_function_pointer<void (Class::*)(int, ...) const>(); |
| test_member_function_pointer<void (Class::*)(int, char, ...) const>(); |
| |
| test_member_function_pointer<void (Class::*)(...) volatile>(); |
| test_member_function_pointer<void (Class::*)(int, ...) volatile>(); |
| test_member_function_pointer<void (Class::*)(int, char, ...) volatile>(); |
| |
| |
| // reference qualifiers on functions are a C++11 extension |
| #if TEST_STD_VER >= 11 |
| // Noexcept qualifiers |
| test_member_function_pointer<void (Class::*)() noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() const noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) const noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) const noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() volatile noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) volatile noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) volatile noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)(...) noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, ...) noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char, ...) noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)(...) const noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, ...) const noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char, ...) const noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)(...) volatile noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, ...) volatile noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char, ...) volatile noexcept>(); |
| |
| // lvalue qualifiers |
| test_member_function_pointer<void (Class::*)() &>(); |
| test_member_function_pointer<void (Class::*)(int) &>(); |
| test_member_function_pointer<void (Class::*)(int, char) &>(); |
| test_member_function_pointer<void (Class::*)(...) &>(); |
| test_member_function_pointer<void (Class::*)(int,...) &>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) &>(); |
| |
| test_member_function_pointer<void (Class::*)() const &>(); |
| test_member_function_pointer<void (Class::*)(int) const &>(); |
| test_member_function_pointer<void (Class::*)(int, char) const &>(); |
| test_member_function_pointer<void (Class::*)(...) const &>(); |
| test_member_function_pointer<void (Class::*)(int,...) const &>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const &>(); |
| |
| test_member_function_pointer<void (Class::*)() volatile &>(); |
| test_member_function_pointer<void (Class::*)(int) volatile &>(); |
| test_member_function_pointer<void (Class::*)(int, char) volatile &>(); |
| test_member_function_pointer<void (Class::*)(...) volatile &>(); |
| test_member_function_pointer<void (Class::*)(int,...) volatile &>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) volatile &>(); |
| |
| test_member_function_pointer<void (Class::*)() const volatile &>(); |
| test_member_function_pointer<void (Class::*)(int) const volatile &>(); |
| test_member_function_pointer<void (Class::*)(int, char) const volatile &>(); |
| test_member_function_pointer<void (Class::*)(...) const volatile &>(); |
| test_member_function_pointer<void (Class::*)(int,...) const volatile &>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const volatile &>(); |
| |
| // Lvalue qualifiers with noexcept |
| test_member_function_pointer<void (Class::*)() & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) & noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) & noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() const & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) const & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) const & noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) const & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) const & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const & noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) volatile & noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() const volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) const volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) const volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) const volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) const volatile & noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const volatile & noexcept>(); |
| |
| // RValue qualifiers |
| test_member_function_pointer<void (Class::*)() &&>(); |
| test_member_function_pointer<void (Class::*)(int) &&>(); |
| test_member_function_pointer<void (Class::*)(int, char) &&>(); |
| test_member_function_pointer<void (Class::*)(...) &&>(); |
| test_member_function_pointer<void (Class::*)(int,...) &&>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) &&>(); |
| |
| test_member_function_pointer<void (Class::*)() const &&>(); |
| test_member_function_pointer<void (Class::*)(int) const &&>(); |
| test_member_function_pointer<void (Class::*)(int, char) const &&>(); |
| test_member_function_pointer<void (Class::*)(...) const &&>(); |
| test_member_function_pointer<void (Class::*)(int,...) const &&>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const &&>(); |
| |
| test_member_function_pointer<void (Class::*)() volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int) volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int, char) volatile &&>(); |
| test_member_function_pointer<void (Class::*)(...) volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int,...) volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) volatile &&>(); |
| |
| test_member_function_pointer<void (Class::*)() const volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int) const volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int, char) const volatile &&>(); |
| test_member_function_pointer<void (Class::*)(...) const volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int,...) const volatile &&>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const volatile &&>(); |
| |
| // RValue qualifiers with noexcept |
| test_member_function_pointer<void (Class::*)() && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) && noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) && noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() const && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) const && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) const && noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) const && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) const && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const && noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) volatile && noexcept>(); |
| |
| test_member_function_pointer<void (Class::*)() const volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int) const volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char) const volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(...) const volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int,...) const volatile && noexcept>(); |
| test_member_function_pointer<void (Class::*)(int, char,...) const volatile && noexcept>(); |
| #endif |
| |
| // LWG#2582 |
| static_assert(!std::is_member_function_pointer<incomplete_type>::value, ""); |
| } |