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