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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_LEXICOGRAPHICAL_COMPARE_HPP
- #define BOOST_HANA_TEST_AUTO_LEXICOGRAPHICAL_COMPARE_HPP
- #include <boost/hana/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/lexicographical_compare.hpp>
- #include <boost/hana/not.hpp>
- #include <laws/base.hpp>
- #include "test_case.hpp"
- TestCase test_lexicographical_compare{[]{
- namespace hana = boost::hana;
- using hana::test::ct_ord;
- struct undefined { };
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(),
- MAKE_TUPLE()
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(),
- MAKE_TUPLE(undefined{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(undefined{}),
- MAKE_TUPLE()
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}),
- MAKE_TUPLE(ct_ord<0>{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}),
- MAKE_TUPLE(ct_ord<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<1>{}),
- MAKE_TUPLE(ct_ord<0>{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, undefined{}),
- MAKE_TUPLE(ct_ord<0>{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}),
- MAKE_TUPLE(ct_ord<0>{}, undefined{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<0>{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<0>{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}, undefined{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}, undefined{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<3>{}, undefined{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}, undefined{})
- )));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}, undefined{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<3>{}, undefined{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}, undefined{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<3>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::lexicographical_compare(
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<3>{}),
- MAKE_TUPLE(ct_ord<0>{}, ct_ord<1>{}, ct_ord<2>{}, undefined{})
- )));
- }};
- #endif // !BOOST_HANA_TEST_AUTO_LEXICOGRAPHICAL_COMPARE_HPP
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