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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_DROP_WHILE_HPP
- #define BOOST_HANA_TEST_AUTO_DROP_WHILE_HPP
- #include <boost/hana/assert.hpp>
- #include <boost/hana/bool.hpp>
- #include <boost/hana/drop_while.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/functional/id.hpp>
- #include <boost/hana/not_equal.hpp>
- #include <laws/base.hpp>
- #include "test_case.hpp"
- TestCase test_drop_while{[]{
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(), hana::id),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(hana::true_c), hana::id),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(hana::false_c), hana::id),
- MAKE_TUPLE(hana::false_c)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(hana::true_c, hana::true_c), hana::id),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(hana::true_c, hana::false_c), hana::id),
- MAKE_TUPLE(hana::false_c)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(hana::false_c, hana::true_c), hana::id),
- MAKE_TUPLE(hana::false_c, hana::true_c)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(hana::false_c, hana::false_c), hana::id),
- MAKE_TUPLE(hana::false_c, hana::false_c)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::not_equal.to(ct_eq<99>{})),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::not_equal.to(ct_eq<1>{})),
- MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), hana::not_equal.to(ct_eq<3>{})),
- MAKE_TUPLE(ct_eq<3>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::drop_while(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), hana::not_equal.to(ct_eq<0>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
- ));
- }};
- #endif // !BOOST_HANA_TEST_AUTO_DROP_WHILE_HPP
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