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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/list.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/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
template<auto... A> struct L1 {};
template<int... I> struct L2 {};
int main()
{
using boost::mp11::mp_push_front;
using boost::mp11::mp_true;
using boost::mp11::mp_false;
using boost::mp11::mp_int;
BOOST_TEST_TRAIT_SAME(mp_push_front<L1<>>, L1<>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L1<>, mp_false>, L1<false>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L1<>, mp_false, mp_true>, L1<false, true>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L1<-1, -2>>, L1<-1, -2>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L1<-1, -2>, mp_false>, L1<false, -1, -2>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L1<-1, -2>, mp_false, mp_true>, L1<false, true, -1, -2>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L2<>>, L2<>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L2<>, mp_int<0>>, L2<0>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L2<>, mp_int<0>, mp_int<1>>, L2<0, 1>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L2<-1, -2>>, L2<-1, -2>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L2<-1, -2>, mp_int<0>>, L2<0, -1, -2>);
BOOST_TEST_TRAIT_SAME(mp_push_front<L2<-1, -2>, mp_int<0>, mp_int<1>>, L2<0, 1, -1, -2>);
return boost::report_errors();
}
#endif
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