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

56 lines
1.6 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_REVERSE_HPP
#define BOOST_HANA_TEST_AUTO_REVERSE_HPP
#include <boost/hana/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/reverse.hpp>
#include "test_case.hpp"
#include <laws/base.hpp>
TestCase test_reverse{[]{
namespace hana = boost::hana;
using hana::test::ct_eq;
using hana::test::cx_eq;
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::reverse(MAKE_TUPLE()),
MAKE_TUPLE()
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::reverse(MAKE_TUPLE(ct_eq<0>{})),
MAKE_TUPLE(ct_eq<0>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::reverse(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})),
MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::reverse(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
));
#ifndef MAKE_TUPLE_NO_CONSTEXPR
static_assert(hana::equal(
hana::reverse(MAKE_TUPLE(cx_eq<1>{})),
MAKE_TUPLE(cx_eq<1>{})
), "");
static_assert(hana::equal(
hana::reverse(MAKE_TUPLE(cx_eq<1>{}, cx_eq<2>{})),
MAKE_TUPLE(cx_eq<2>{}, cx_eq<1>{})
), "");
static_assert(hana::equal(
hana::reverse(MAKE_TUPLE(cx_eq<1>{}, cx_eq<2>{}, cx_eq<3>{})),
MAKE_TUPLE(cx_eq<3>{}, cx_eq<2>{}, cx_eq<1>{})
), "");
#endif
}};
#endif // !BOOST_HANA_TEST_AUTO_REVERSE_HPP