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// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/detail/variadic/split_at.hpp>
#include <boost/hana/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/pair.hpp>
#include <boost/hana/tuple.hpp>
#include <laws/base.hpp>
namespace hana = boost::hana;
namespace vd = hana::detail::variadic;
using hana::test::ct_eq;
auto check = [](auto split, auto xs, auto ys) {
auto result = split([](auto ...xs) {
return [=](auto ...ys) {
return hana::make_pair(hana::make_tuple(xs...), hana::make_tuple(ys...));
};
});
BOOST_HANA_CONSTANT_CHECK(hana::equal(xs, hana::first(result)));
BOOST_HANA_CONSTANT_CHECK(hana::equal(ys, hana::second(result)));
};
int main() {
{
check(
vd::split_at<0>(),
hana::make_tuple(),
hana::make_tuple()
);
check(
vd::split_at<0>(ct_eq<1>{}),
hana::make_tuple(),
hana::make_tuple(ct_eq<1>{})
);
check(
vd::split_at<0>(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple(),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{})
);
check(
vd::split_at<0>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
hana::make_tuple(),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
);
}
{
check(
vd::split_at<1>(ct_eq<1>{}),
hana::make_tuple(ct_eq<1>{}),
hana::make_tuple()
);
check(
vd::split_at<1>(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple(ct_eq<1>{}),
hana::make_tuple(ct_eq<2>{})
);
check(
vd::split_at<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
hana::make_tuple(ct_eq<1>{}),
hana::make_tuple(ct_eq<2>{}, ct_eq<3>{})
);
check(
vd::split_at<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}),
hana::make_tuple(ct_eq<1>{}),
hana::make_tuple(ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{})
);
}
{
check(
vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple()
);
check(
vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple(ct_eq<3>{})
);
check(
vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple(ct_eq<3>{}, ct_eq<4>{})
);
check(
vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
hana::make_tuple(ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{})
);
}
{
check(
vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
hana::make_tuple()
);
check(
vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
hana::make_tuple(ct_eq<8>{})
);
check(
vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
hana::make_tuple(ct_eq<8>{}, ct_eq<9>{})
);
check(
vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
hana::make_tuple(ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{})
);
}
{
check(
vd::split_at<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
hana::make_tuple()
);
check(
vd::split_at<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
hana::make_tuple(ct_eq<9>{})
);
check(
vd::split_at<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
hana::make_tuple(ct_eq<9>{}, ct_eq<10>{})
);
}
{
check(
vd::split_at<9>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
hana::make_tuple()
);
check(
vd::split_at<9>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
hana::make_tuple(ct_eq<10>{})
);
check(
vd::split_at<9>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}, ct_eq<11>{}),
hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
hana::make_tuple(ct_eq<10>{}, ct_eq<11>{})
);
}
}
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