mp11/test/mp_if.cpp
2017-03-15 21:23:15 +02:00

39 lines
1.2 KiB
C++

// Copyright 2015 Peter Dimov.
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/utility.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
int main()
{
using boost::mp11::mp_if_c;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if_c<true, char[], void()>, char[]>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if_c<false, char[], void()>, void()>));
using boost::mp11::mp_if;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if<std::true_type, char[], void()>, char[]>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if<std::false_type, char[], void()>, void()>));
using boost::mp11::mp_int;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if<mp_int<-7>, char[], void()>, char[]>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if<mp_int<0>, char[], void()>, void()>));
using boost::mp11::mp_size_t;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if<mp_size_t<14>, char[], void()>, char[]>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_if<mp_size_t<0>, char[], void()>, void()>));
return boost::report_errors();
}