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forked from boostorg/mp11
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boost_mp11/test/mp_rename.cpp
2015-06-21 19:53:23 +03:00

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4.0 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/core/lightweight_test_trait.hpp>
#include <boost/mp11/list.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
template<class... T> struct X {};
template<class... T> using Y = X<T...>;
int main()
{
using boost::mp_list;
using boost::mp_rename;
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L1, mp_list>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L1, std::tuple>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L1, X>, X<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L1, Y>, Y<>>));
using L2 = mp_list<char>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L2, mp_list>, mp_list<char>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L2, std::tuple>, std::tuple<char>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L2, X>, X<char>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L2, Y>, Y<char>>));
using L3 = mp_list<char, double>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L3, mp_list>, mp_list<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L3, std::tuple>, std::tuple<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L3, X>, X<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L3, Y>, Y<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L3, std::pair>, std::pair<char, double>>));
using L4 = mp_list<int, char, float>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L4, mp_list>, mp_list<int, char, float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L4, std::tuple>, std::tuple<int, char, float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L4, X>, X<int, char, float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L4, Y>, Y<int, char, float>>));
//
using L5 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L5, mp_list>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L5, std::tuple>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L5, X>, X<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L5, Y>, Y<>>));
using L6 = std::tuple<char>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L6, mp_list>, mp_list<char>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L6, std::tuple>, std::tuple<char>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L6, X>, X<char>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L6, Y>, Y<char>>));
using L7 = std::tuple<char, double>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L7, mp_list>, mp_list<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L7, std::tuple>, std::tuple<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L7, X>, X<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L7, Y>, Y<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L7, std::pair>, std::pair<char, double>>));
using L8 = std::tuple<int, char, float>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L8, mp_list>, mp_list<int, char, float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L8, std::tuple>, std::tuple<int, char, float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L8, X>, X<int, char, float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L8, Y>, Y<int, char, float>>));
//
using L9 = std::pair<char, double>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, mp_list>, mp_list<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, std::tuple>, std::tuple<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, X>, X<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, Y>, Y<char, double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rename<L9, std::pair>, std::pair<char, double>>));
//
return boost::report_errors();
}