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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)
- #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
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