diff options
Diffstat (limited to 'src/boost/libs/hana/test/_include/auto/take_back.hpp')
-rw-r--r-- | src/boost/libs/hana/test/_include/auto/take_back.hpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/take_back.hpp b/src/boost/libs/hana/test/_include/auto/take_back.hpp new file mode 100644 index 000000000..11a795e00 --- /dev/null +++ b/src/boost/libs/hana/test/_include/auto/take_back.hpp @@ -0,0 +1,82 @@ +// 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_TAKE_BACK_HPP +#define BOOST_HANA_TEST_AUTO_TAKE_BACK_HPP + +#include <boost/hana/assert.hpp> +#include <boost/hana/equal.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/take_back.hpp> + +#include "test_case.hpp" +#include <laws/base.hpp> + + +TestCase test_take_back{[]{ + namespace hana = boost::hana; + using hana::test::ct_eq; + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(), hana::size_c<0>), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(), hana::size_c<1>), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(), hana::size_c<2>), + MAKE_TUPLE() + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<0>), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<1>), + MAKE_TUPLE(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<2>), + MAKE_TUPLE(ct_eq<0>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}), hana::size_c<3>), + MAKE_TUPLE(ct_eq<0>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<0>), + MAKE_TUPLE() + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<1>), + MAKE_TUPLE(ct_eq<1>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<2>), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) + )); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::size_c<3>), + MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), hana::size_c<3>), + MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}) + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::take_back(MAKE_TUPLE( + ct_eq<0>{}, 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::size_c<5>), + MAKE_TUPLE(ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}) + )); +}}; + +#endif // !BOOST_HANA_TEST_AUTO_TAKE_BACK_HPP |