mp11/test/mp_count_if_q.cpp
2017-10-21 21:30:51 +03:00

62 lines
2.1 KiB
C++

// Copyright 2015, 2017 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/mp11/integral.hpp>
#include <boost/mp11/utility.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
int main()
{
using boost::mp11::mp_list;
using boost::mp11::mp_count_if_q;
using boost::mp11::mp_size_t;
using boost::mp11::mp_quote;
{
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L1, mp_quote<std::is_const>>, mp_size_t<0>>));
using L2 = mp_list<X1, X1 const, X1*, X1 const, X1*, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_volatile>>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_const>>, mp_size_t<2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_pointer>>, mp_size_t<3>>));
}
{
using L1 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L1, mp_quote<std::is_const>>, mp_size_t<0>>));
using L2 = std::tuple<X1, X1 const, X1*, X1 const, X1*, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_volatile>>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_const>>, mp_size_t<2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_pointer>>, mp_size_t<3>>));
}
{
using L2 = std::pair<X1 const, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_volatile>>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_const>>, mp_size_t<1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_count_if_q<L2, mp_quote<std::is_pointer>>, mp_size_t<1>>));
}
return boost::report_errors();
}