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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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