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// 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/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
struct X2 {};
struct X3 {};
struct X4 {};
struct Y1 {};
struct Y2 {};
struct Y3 {};
struct Y4 {};
struct Z1 {};
struct Z2 {};
struct Z3 {};
struct Z4 {};
struct U1 {};
struct U2 {};
struct V1 {};
struct V2 {};
struct W1 {};
struct W2 {};
template<class T> using add_pointer = typename std::add_pointer<T>::type;
template<class T, class U> using is_same = typename std::is_same<T, U>::type;
int main()
{
using boost::mp11::mp_list;
using boost::mp11::mp_transform;
using L1 = mp_list<X1, X2, X3, X4>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L1>, mp_list<mp_list<X1>, mp_list<X2>, mp_list<X3>, mp_list<X4>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L1>, mp_list<std::tuple<X1>, std::tuple<X2>, std::tuple<X3>, std::tuple<X4>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::add_pointer, L1>, mp_list<std::add_pointer<X1>, std::add_pointer<X2>, std::add_pointer<X3>, std::add_pointer<X4>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<add_pointer, L1>, mp_list<X1*, X2*, X3*, X4*>>));
using L2 = std::tuple<Y1, Y2, Y3, Y4>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L1, L2>, mp_list<mp_list<X1, Y1>, mp_list<X2, Y2>, mp_list<X3, Y3>, mp_list<X4, Y4>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L1, L2>, mp_list<std::tuple<X1, Y1>, std::tuple<X2, Y2>, std::tuple<X3, Y3>, std::tuple<X4, Y4>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::pair, L1, L2>, mp_list<std::pair<X1, Y1>, std::pair<X2, Y2>, std::pair<X3, Y3>, std::pair<X4, Y4>>>));
using L3 = mp_list<Z1, Z2, Z3, Z4>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L1, L2, L3>, mp_list<mp_list<X1, Y1, Z1>, mp_list<X2, Y2, Z2>, mp_list<X3, Y3, Z3>, mp_list<X4, Y4, Z4>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L1, L2, L3>, mp_list<std::tuple<X1, Y1, Z1>, std::tuple<X2, Y2, Z2>, std::tuple<X3, Y3, Z3>, std::tuple<X4, Y4, Z4>>>));
//
using L4 = std::tuple<X1, Y2, X3, Y4>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<is_same, L1, L1>, mp_list<std::true_type, std::true_type, std::true_type, std::true_type>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<is_same, L1, L2>, mp_list<std::false_type, std::false_type, std::false_type, std::false_type>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<is_same, L1, L4>, mp_list<std::true_type, std::false_type, std::true_type, std::false_type>>));
//
using L5 = std::pair<X1, X2>;
using L6 = std::pair<Y1, Y2>;
using L7 = std::pair<X1, Y2>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L5>, std::pair<mp_list<X1>, mp_list<X2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L5, L6>, std::pair<mp_list<X1, Y1>, mp_list<X2, Y2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<mp_list, L5, L6, L7>, std::pair<mp_list<X1, Y1, X1>, mp_list<X2, Y2, Y2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<add_pointer, L5>, std::pair<X1*, X2*>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<is_same, L5, L5>, std::pair<std::true_type, std::true_type>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<is_same, L5, L6>, std::pair<std::false_type, std::false_type>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<is_same, L5, L7>, std::pair<std::true_type, std::false_type>>));
//
using L8 = std::pair<Z1, Z2>;
using L9 = std::pair<U1, U2>;
using L10 = std::pair<V1, V2>;
using L11 = std::pair<W1, W2>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L5, L6, L8, L9>, std::pair<std::tuple<X1, Y1, Z1, U1>, std::tuple<X2, Y2, Z2, U2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L5, L6, L8, L9, L10>, std::pair<std::tuple<X1, Y1, Z1, U1, V1>, std::tuple<X2, Y2, Z2, U2, V2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform<std::tuple, L5, L6, L8, L9, L10, L11>, std::pair<std::tuple<X1, Y1, Z1, U1, V1, W1>, std::tuple<X2, Y2, Z2, U2, V2, W2>>>));
//
return boost::report_errors();
}
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