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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_CARTESIAN_PRODUCT_HPP
- #define BOOST_HANA_TEST_AUTO_CARTESIAN_PRODUCT_HPP
- #include <boost/hana/assert.hpp>
- #include <boost/hana/cartesian_product.hpp>
- #include <boost/hana/equal.hpp>
- #include <laws/base.hpp>
- #include "test_case.hpp"
- TestCase test_cartesian_product{[]{
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- // 0 lists
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE()),
- MAKE_TUPLE()
- ));
- // 1 list
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE()
- )),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{}),
- MAKE_TUPLE(ct_eq<1>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{}),
- MAKE_TUPLE(ct_eq<1>{}),
- MAKE_TUPLE(ct_eq<2>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<0>{}),
- MAKE_TUPLE(ct_eq<1>{}),
- MAKE_TUPLE(ct_eq<2>{}),
- MAKE_TUPLE(ct_eq<3>{})
- )
- ));
- // 2 lists
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(),
- MAKE_TUPLE()
- )),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}),
- MAKE_TUPLE()
- )),
- MAKE_TUPLE()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}),
- MAKE_TUPLE(ct_eq<10>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<01>{}),
- MAKE_TUPLE(ct_eq<10>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}),
- MAKE_TUPLE(ct_eq<01>{}, ct_eq<10>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}),
- MAKE_TUPLE(ct_eq<10>{}, ct_eq<11>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}),
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<11>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<01>{}),
- MAKE_TUPLE(ct_eq<10>{}, ct_eq<11>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}),
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<11>{}),
- MAKE_TUPLE(ct_eq<01>{}, ct_eq<10>{}),
- MAKE_TUPLE(ct_eq<01>{}, ct_eq<11>{})
- )
- ));
- // misc
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}),
- MAKE_TUPLE(ct_eq<10>{}),
- MAKE_TUPLE(ct_eq<20>{}),
- MAKE_TUPLE(ct_eq<30>{}, ct_eq<31>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}, ct_eq<20>{}, ct_eq<30>{}),
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}, ct_eq<20>{}, ct_eq<31>{})
- )
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}),
- MAKE_TUPLE(ct_eq<10>{}),
- MAKE_TUPLE(ct_eq<20>{}, ct_eq<21>{}),
- MAKE_TUPLE(ct_eq<30>{}, ct_eq<31>{})
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}, ct_eq<20>{}, ct_eq<30>{}),
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}, ct_eq<20>{}, ct_eq<31>{}),
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}, ct_eq<21>{}, ct_eq<30>{}),
- MAKE_TUPLE(ct_eq<00>{}, ct_eq<10>{}, ct_eq<21>{}, ct_eq<31>{})
- )
- ));
- // cartesian_product in a constexpr context
- #ifndef MAKE_TUPLE_NO_CONSTEXPR
- static_assert(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(1),
- MAKE_TUPLE('a', 'b')
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(1, 'a'),
- MAKE_TUPLE(1, 'b')
- )
- ), "");
- static_assert(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(1, 2),
- MAKE_TUPLE('a')
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(1, 'a'),
- MAKE_TUPLE(2, 'a')
- )
- ), "");
- static_assert(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(1, 2),
- MAKE_TUPLE('a', 'b')
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(1, 'a'),
- MAKE_TUPLE(1, 'b'),
- MAKE_TUPLE(2, 'a'),
- MAKE_TUPLE(2, 'b')
- )
- ), "");
- static_assert(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(1),
- MAKE_TUPLE('a'),
- MAKE_TUPLE(1.f),
- MAKE_TUPLE(1l, 2l)
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(1, 'a', 1.f, 1l),
- MAKE_TUPLE(1, 'a', 1.f, 2l)
- )
- ), "");
- static_assert(hana::equal(
- hana::cartesian_product(MAKE_TUPLE(
- MAKE_TUPLE(1),
- MAKE_TUPLE('a'),
- MAKE_TUPLE(1.f),
- MAKE_TUPLE(1l, 2l),
- MAKE_TUPLE(nullptr)
- )),
- MAKE_TUPLE(
- MAKE_TUPLE(1, 'a', 1.f, 1l, nullptr),
- MAKE_TUPLE(1, 'a', 1.f, 2l, nullptr)
- )
- ), "");
- #endif
- }};
- #endif // !BOOST_HANA_TEST_AUTO_CARTESIAN_PRODUCT_HPP
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