forked from boostorg/mp11
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
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// Copyright 2023 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/mp11/list.hpp>
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#if !defined(BOOST_MP11_HAS_TEMPLATE_AUTO)
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#pragma message("Test skipped because BOOST_MP11_HAS_TEMPLATE_AUTO is not defined")
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int main() {}
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#else
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#include <boost/mp11/integral.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <utility>
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template<auto... A> struct L1 {};
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template<int... I> struct L2 {};
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int main()
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{
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using boost::mp11::mp_list;
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using boost::mp11::mp_list_v;
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using boost::mp11::mp_assign;
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using boost::mp11::mp_false;
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using boost::mp11::mp_true;
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using boost::mp11::mp_int;
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//
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<>, mp_list_v<>>, L1<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<>, mp_list_v<true>>, L1<true>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<>, mp_list_v<true, -4>>, L1<true, -4>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<false, 0>, mp_list_v<>>, L1<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<false, 0>, mp_list_v<false>>, L1<false>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<false, 0>, mp_list_v<false, -4>>, L1<false, -4>);
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//
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<>, L2<>>, L1<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<>, L2<0>>, L1<0>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<>, L2<0, 1>>, L1<0, 1>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<false, 0>, L2<>>, L1<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<false, 0>, L2<0>>, L1<0>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L1<false, 0>, L2<0, 1>>, L1<0, 1>);
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//
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BOOST_TEST_TRAIT_SAME(mp_assign<L2<>, L1<>>, L2<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L2<>, L1<0>>, L2<0>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L2<>, L1<0, 1>>, L2<0, 1>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L2<1, 2>, L1<>>, L2<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L2<1, 2>, L1<0>>, L2<0>);
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BOOST_TEST_TRAIT_SAME(mp_assign<L2<1, 2>, L1<0, 1>>, L2<0, 1>);
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//
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list<>, mp_list_v<>>, mp_list<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list<>, mp_list_v<true>>, mp_list<mp_true>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list<>, mp_list_v<true, -4>>, mp_list<mp_true, mp_int<-4>>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list<void, float>, mp_list_v<>>, mp_list<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list<void, float>, mp_list_v<true>>, mp_list<mp_true>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list<void, float>, mp_list_v<true, -4>>, mp_list<mp_true, mp_int<-4>>);
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BOOST_TEST_TRAIT_SAME(mp_assign<std::pair<int, float>, mp_list_v<true, -4>>, std::pair<mp_true, mp_int<-4>>);
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//
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<>, mp_list<>>, mp_list_v<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<>, mp_list<mp_true>>, mp_list_v<true>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<>, mp_list<mp_true, mp_int<-4>>>, mp_list_v<true, -4>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<false, 0>, mp_list<>>, mp_list_v<>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<false, 0>, mp_list<mp_true>>, mp_list_v<true>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<false, 0>, mp_list<mp_true, mp_int<-4>>>, mp_list_v<true, -4>);
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BOOST_TEST_TRAIT_SAME(mp_assign<mp_list_v<false, 0>, std::pair<mp_true, mp_int<-4>>>, mp_list_v<true, -4>);
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//
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return boost::report_errors();
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}
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#endif
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