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// 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_erase;
using boost::mp11::mp_erase_c;
using boost::mp11::mp_size_t;
using boost::mp11::mp_iota_c;
using boost::mp11::mp_rename_v;
using _0 = mp_size_t<0>;
using _1 = mp_size_t<1>;
using _2 = mp_size_t<2>;
using _3 = mp_size_t<3>;
using _4 = mp_size_t<4>;
using _5 = mp_size_t<5>;
{
using L1 = V1<>;
BOOST_TEST_TRAIT_SAME(mp_erase_c<L1, 0, 0>, L1);
BOOST_TEST_TRAIT_SAME(mp_erase<L1, _0, _0>, L1);
using L2 = V1<false, 0, true, 1>;
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 0>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 1>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 2>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 3, 3>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 4, 4>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _0>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _1>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _2>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _3, _3>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _4, _4>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 1>, V1<0, true, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 2>, V1<false, true, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 3>, V1<false, 0, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 3, 4>, V1<false, 0, true>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _1>, V1<0, true, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _2>, V1<false, true, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _3>, V1<false, 0, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _3, _4>, V1<false, 0, true>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 2>, V1<true, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 3>, V1<false, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 4>, V1<false, 0>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _2>, V1<true, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _3>, V1<false, 1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _4>, V1<false, 0>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 3>, V1<1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 4>, V1<false>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _3>, V1<1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _4>, V1<false>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 4>, V1<>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _4>, V1<>);
using L3 = mp_rename_v<mp_iota_c<18>, V1>;
BOOST_TEST_TRAIT_SAME(mp_erase_c<L3, 1, 17>, V1<std::size_t(0), std::size_t(17)>);
BOOST_TEST_TRAIT_SAME(mp_erase<L3, mp_size_t<1>, mp_size_t<17>>, V1<std::size_t(0), std::size_t(17)>);
}
{
using L1 = V2<>;
BOOST_TEST_TRAIT_SAME(mp_erase_c<L1, 0, 0>, L1);
BOOST_TEST_TRAIT_SAME(mp_erase<L1, _0, _0>, L1);
using L2 = V2<1, 2, 3, 4, 5>;
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 0>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 1>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 2>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 3, 3>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 4, 4>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 5, 5>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _0>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _1>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _2>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _3, _3>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _4, _4>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _5, _5>, L2);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 1>, V2<2, 3, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 2>, V2<1, 3, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 3>, V2<1, 2, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 3, 4>, V2<1, 2, 3, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 4, 5>, V2<1, 2, 3, 4>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _1>, V2<2, 3, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _2>, V2<1, 3, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _3>, V2<1, 2, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _3, _4>, V2<1, 2, 3, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _4, _5>, V2<1, 2, 3, 4>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 2>, V2<3, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 3>, V2<1, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 4>, V2<1, 2, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 3, 5>, V2<1, 2, 3>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _2>, V2<3, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _3>, V2<1, 4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _4>, V2<1, 2, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _3, _5>, V2<1, 2, 3>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 3>, V2<4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 4>, V2<1, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 2, 5>, V2<1, 2>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _3>, V2<4, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _4>, V2<1, 5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _2, _5>, V2<1, 2>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 4>, V2<5>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 1, 5>, V2<1>);
BOOST_TEST_TRAIT_SAME(mp_erase_c<L2, 0, 5>, V2<>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _4>, V2<5>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _1, _5>, V2<1>);
BOOST_TEST_TRAIT_SAME(mp_erase<L2, _0, _5>, V2<>);
using L3 = mp_rename_v<mp_iota_c<18>, V2>;
BOOST_TEST_TRAIT_SAME(mp_erase_c<L3, 1, 17>, V2<0, 17>);
BOOST_TEST_TRAIT_SAME(mp_erase<L3, mp_size_t<1>, mp_size_t<17>>, V2<0, 17>);
}
return boost::report_errors();
}
#endif
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