hana/test/_include/auto/permutations.hpp
2017-01-07 14:14:18 -08:00

88 lines
3.6 KiB
C++

// 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)
#ifndef BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
#define BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
#include <boost/hana/and.hpp>
#include <boost/hana/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/is_subset.hpp>
#include <boost/hana/permutations.hpp>
#include <laws/base.hpp>
#include "test_case.hpp"
TestCase test_permutations{[]{
namespace hana = boost::hana;
using hana::test::ct_eq;
auto is_permutation = [](auto xs, auto ys) {
return hana::and_(hana::is_subset(xs, ys), hana::is_subset(ys, xs));
};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::permutations(MAKE_TUPLE()),
MAKE_TUPLE(MAKE_TUPLE())
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::permutations(MAKE_TUPLE(ct_eq<0>{})),
MAKE_TUPLE(MAKE_TUPLE(ct_eq<0>{}))
));
BOOST_HANA_CONSTANT_CHECK(is_permutation(
hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})),
MAKE_TUPLE(
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{})
)
));
BOOST_HANA_CONSTANT_CHECK(is_permutation(
hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
MAKE_TUPLE(
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
)
));
BOOST_HANA_CONSTANT_CHECK(is_permutation(
hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})),
MAKE_TUPLE(
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<3>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}, ct_eq<3>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<0>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<0>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<3>{}, ct_eq<0>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{}, ct_eq<0>{}),
MAKE_TUPLE(ct_eq<3>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<3>{}, ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<3>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}),
MAKE_TUPLE(ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}),
MAKE_TUPLE(ct_eq<3>{}, ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}),
MAKE_TUPLE(ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
)
));
}};
#endif // !BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP