boost/libs/endian/test/is_scoped_enum_test.cpp
2021-10-05 21:37:46 +02:00

69 lines
1.4 KiB
C++

// Copyright 2020 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/endian/detail/is_scoped_enum.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <boost/config.hpp>
enum E1 {};
#if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
enum E2: long {};
enum class E3 {};
enum class E4: long {};
#endif
struct X
{
operator int() const { return 0; }
};
struct Y;
template<class T> void test_true()
{
using boost::endian::detail::is_scoped_enum;
BOOST_TEST_TRAIT_TRUE((is_scoped_enum<T>));
BOOST_TEST_TRAIT_TRUE((is_scoped_enum<T const>));
BOOST_TEST_TRAIT_TRUE((is_scoped_enum<T volatile>));
BOOST_TEST_TRAIT_TRUE((is_scoped_enum<T const volatile>));
}
template<class T> void test_false()
{
using boost::endian::detail::is_scoped_enum;
BOOST_TEST_TRAIT_FALSE((is_scoped_enum<T>));
BOOST_TEST_TRAIT_FALSE((is_scoped_enum<T const>));
BOOST_TEST_TRAIT_FALSE((is_scoped_enum<T volatile>));
BOOST_TEST_TRAIT_FALSE((is_scoped_enum<T const volatile>));
}
int main()
{
test_false<int>();
test_false<bool>();
test_false<X>();
test_false<Y>();
test_false<void>();
test_false<int[]>();
test_false<int[1]>();
test_false<E1>();
#if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
test_false<E2>();
test_true<E3>();
test_true<E4>();
#endif
return boost::report_errors();
}