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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_UNIQUE_HPP
- #define BOOST_HANA_TEST_AUTO_UNIQUE_HPP
- #include <boost/hana/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/unique.hpp>
- #include "test_case.hpp"
- #include <laws/base.hpp>
- #include <support/equivalence_class.hpp>
- TestCase test_unique{[]{
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE()),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{})),
- MAKE_TUPLE(ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{})),
- MAKE_TUPLE(ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{})),
- MAKE_TUPLE(ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<1>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<0>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<1>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(
- ct_eq<0>{}, ct_eq<0>{},
- ct_eq<1>{},
- ct_eq<2>{}, ct_eq<2>{}, ct_eq<2>{},
- ct_eq<3>{}, ct_eq<3>{}, ct_eq<3>{},
- ct_eq<0>{})),
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{})
- ));
- }};
- TestCase test_unique_by{[]{
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- struct undefined { };
- auto a = [](auto z) { return ::equivalence_class(ct_eq<999>{}, z); };
- auto b = [](auto z) { return ::equivalence_class(ct_eq<888>{}, z); };
- auto c = [](auto z) { return ::equivalence_class(ct_eq<777>{}, z); };
- auto pred = [](auto x, auto y) {
- return hana::equal(x.unwrap, y.unwrap);
- };
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(), undefined{}),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<0>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<0>{}), c(ct_eq<0>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<0>{}), c(ct_eq<1>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}), c(ct_eq<1>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<0>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<0>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<1>{}), b(ct_eq<1>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<1>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique(MAKE_TUPLE(
- a(ct_eq<0>{}), b(ct_eq<0>{}),
- a(ct_eq<1>{}),
- a(ct_eq<2>{}), b(ct_eq<2>{}), c(ct_eq<2>{}),
- a(ct_eq<3>{}), b(ct_eq<3>{}), c(ct_eq<3>{}),
- a(ct_eq<0>{})), pred),
- MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}), a(ct_eq<3>{}), a(ct_eq<0>{}))
- ));
- // unique.by
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique.by(pred, MAKE_TUPLE(
- a(ct_eq<0>{}), b(ct_eq<0>{}),
- a(ct_eq<1>{}),
- a(ct_eq<2>{}), b(ct_eq<2>{}), c(ct_eq<2>{}),
- a(ct_eq<3>{}), b(ct_eq<3>{}), c(ct_eq<3>{}),
- a(ct_eq<0>{}))),
- MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}), a(ct_eq<3>{}), a(ct_eq<0>{}))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::unique.by(pred)(MAKE_TUPLE(
- a(ct_eq<0>{}), b(ct_eq<0>{}),
- a(ct_eq<1>{}),
- a(ct_eq<2>{}), b(ct_eq<2>{}), c(ct_eq<2>{}),
- a(ct_eq<3>{}), b(ct_eq<3>{}), c(ct_eq<3>{}),
- a(ct_eq<0>{}))),
- MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}), a(ct_eq<3>{}), a(ct_eq<0>{}))
- ));
- }};
- #endif // !BOOST_HANA_TEST_AUTO_UNIQUE_HPP
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