88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
// Copyright Louis Dionne 2013-2017
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
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#define BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
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#include <boost/hana/and.hpp>
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#include <boost/hana/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/is_subset.hpp>
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#include <boost/hana/permutations.hpp>
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#include <laws/base.hpp>
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#include "test_case.hpp"
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TestCase test_permutations{[]{
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namespace hana = boost::hana;
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using hana::test::ct_eq;
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auto is_permutation = [](auto xs, auto ys) {
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return hana::and_(hana::is_subset(xs, ys), hana::is_subset(ys, xs));
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};
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::permutations(MAKE_TUPLE()),
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MAKE_TUPLE(MAKE_TUPLE())
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::permutations(MAKE_TUPLE(ct_eq<0>{})),
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MAKE_TUPLE(MAKE_TUPLE(ct_eq<0>{}))
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));
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BOOST_HANA_CONSTANT_CHECK(is_permutation(
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hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})),
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MAKE_TUPLE(
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{})
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)
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));
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BOOST_HANA_CONSTANT_CHECK(is_permutation(
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hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
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MAKE_TUPLE(
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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)
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));
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BOOST_HANA_CONSTANT_CHECK(is_permutation(
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hana::permutations(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})),
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MAKE_TUPLE(
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<3>{}),
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}, ct_eq<3>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<0>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<0>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<3>{}, ct_eq<0>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{}, ct_eq<0>{}),
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MAKE_TUPLE(ct_eq<3>{}, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<3>{}, ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<3>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<2>{}),
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MAKE_TUPLE(ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<0>{}),
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MAKE_TUPLE(ct_eq<3>{}, ct_eq<2>{}, ct_eq<0>{}, ct_eq<1>{}),
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MAKE_TUPLE(ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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)
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));
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}};
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#endif // !BOOST_HANA_TEST_AUTO_PERMUTATIONS_HPP
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