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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// type_traits
// function
#include <type_traits>
#include "test_macros.h"
class Class {};
enum Enum1 {};
#if TEST_STD_VER >= 11
enum class Enum2 : int {};
#else
enum Enum2 {};
#endif
template <class T>
void test()
{
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, "");
}
// Since we can't actually add the const volatile and ref qualifiers once
// later let's use a macro to do it.
#define TEST_REGULAR(...) \
test<__VA_ARGS__>(); \
test<__VA_ARGS__ const>(); \
test<__VA_ARGS__ volatile>(); \
test<__VA_ARGS__ const volatile>()
#define TEST_REF_QUALIFIED(...) \
test<__VA_ARGS__ &>(); \
test<__VA_ARGS__ const &>(); \
test<__VA_ARGS__ volatile &>(); \
test<__VA_ARGS__ const volatile &>(); \
test<__VA_ARGS__ &&>(); \
test<__VA_ARGS__ const &&>(); \
test<__VA_ARGS__ volatile &&>(); \
test<__VA_ARGS__ const volatile &&>()
struct incomplete_type;
int main(int, char**)
{
TEST_REGULAR( void () );
TEST_REGULAR( void (int) );
TEST_REGULAR( int (double) );
TEST_REGULAR( int (double, char) );
TEST_REGULAR( void (...) );
TEST_REGULAR( void (int, ...) );
TEST_REGULAR( int (double, ...) );
TEST_REGULAR( int (double, char, ...) );
#if TEST_STD_VER >= 11
TEST_REF_QUALIFIED( void () );
TEST_REF_QUALIFIED( void (int) );
TEST_REF_QUALIFIED( int (double) );
TEST_REF_QUALIFIED( int (double, char) );
TEST_REF_QUALIFIED( void (...) );
TEST_REF_QUALIFIED( void (int, ...) );
TEST_REF_QUALIFIED( int (double, ...) );
TEST_REF_QUALIFIED( int (double, char, ...) );
#endif
// LWG#2582
static_assert(!std::is_function<incomplete_type>::value, "");
return 0;
}
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