mirror of
https://github.com/boostorg/mp11.git
synced 2025-12-03 23:39:21 +01:00
89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
// Copyright 2023 Peter Dimov.
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// https://www.boost.org/LICENSE_1_0.txt
|
|
|
|
#include <boost/mp11/algorithm.hpp>
|
|
#include <boost/mp11/list.hpp>
|
|
#include <boost/mp11/integral.hpp>
|
|
|
|
#if !defined(BOOST_MP11_HAS_TEMPLATE_AUTO)
|
|
|
|
#pragma message("Test skipped because BOOST_MP11_HAS_TEMPLATE_AUTO is not defined")
|
|
int main() {}
|
|
|
|
#else
|
|
|
|
#include <boost/core/lightweight_test_trait.hpp>
|
|
|
|
template<auto... A> struct V1 {};
|
|
template<int... I> struct V2 {};
|
|
|
|
int main()
|
|
{
|
|
using boost::mp11::mp_list;
|
|
using boost::mp11::mp_take;
|
|
using boost::mp11::mp_take_c;
|
|
using boost::mp11::mp_size_t;
|
|
|
|
{
|
|
using L1 = V1<>;
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L1, 0>, L1);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L1, mp_size_t<0>>, L1);
|
|
|
|
using L2 = V1<false, 0, true, 1, std::size_t(2)>;
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 0>, V1<>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 1>, V1<false>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 2>, V1<false, 0>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 3>, V1<false, 0, true>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 4>, V1<false, 0, true, 1>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 5>, V1<false, 0, true, 1, std::size_t(2)>);
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<0>>, V1<>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<1>>, V1<false>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<2>>, V1<false, 0>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<3>>, V1<false, 0, true>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<4>>, V1<false, 0, true, 1>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<5>>, V1<false, 0, true, 1, std::size_t(2)>);
|
|
}
|
|
|
|
{
|
|
using L1 = V2<>;
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L1, 0>, L1);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L1, mp_size_t<0>>, L1);
|
|
|
|
using L2 = V2<1, 2, 3, 4, 5>;
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 0>, V2<>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 1>, V2<1>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 2>, V2<1, 2>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 3>, V2<1, 2, 3>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 4>, V2<1, 2, 3, 4>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 5>, V2<1, 2, 3, 4, 5>);
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<0>>, V2<>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<1>>, V2<1>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<2>>, V2<1, 2>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<3>>, V2<1, 2, 3>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<4>>, V2<1, 2, 3, 4>);
|
|
BOOST_TEST_TRAIT_SAME(mp_take<L2, mp_size_t<5>>, V2<1, 2, 3, 4, 5>);
|
|
}
|
|
|
|
using boost::mp11::mp_iota_c;
|
|
using boost::mp11::mp_rename_v;
|
|
|
|
{
|
|
using L1 = mp_rename_v<mp_iota_c<71>, V1>;
|
|
using L2 = mp_rename_v<mp_iota_c<72>, V1>;
|
|
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 72>, L2);
|
|
BOOST_TEST_TRAIT_SAME(mp_take_c<L2, 71>, L1);
|
|
}
|
|
|
|
return boost::report_errors();
|
|
}
|
|
|
|
#endif
|