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arangodb/3rdParty/boost/1.61.0/libs/hana/test/ext/std/array.cpp

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// Copyright Louis Dionne 2013-2016
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/ext/std/array.hpp>
#include <boost/hana/tuple.hpp>
#include <laws/base.hpp>
#include <laws/comparable.hpp>
#include <laws/foldable.hpp>
#include <laws/iterable.hpp>
#include <laws/orderable.hpp>
#include <laws/searchable.hpp>
#include <array>
using namespace boost::hana;
template <int ...i>
constexpr auto array() { return std::array<int, sizeof...(i)>{{i...}}; }
using test::ct_eq;
int main() {
auto int_arrays = make<tuple_tag>(
array<>()
, array<0>()
, array<0, 1>()
, array<0, 1, 2>()
, array<0, 1, 2, 3>()
, array<0, 1, 2, 3, 4>()
);
(void)int_arrays;
#if BOOST_HANA_TEST_PART == 1
//////////////////////////////////////////////////////////////////////////
// Comparable
//////////////////////////////////////////////////////////////////////////
test::TestComparable<ext::std::array_tag>{int_arrays};
#elif BOOST_HANA_TEST_PART == 2
//////////////////////////////////////////////////////////////////////////
// Orderable
//////////////////////////////////////////////////////////////////////////
test::TestOrderable<ext::std::array_tag>{int_arrays};
#elif BOOST_HANA_TEST_PART == 3
//////////////////////////////////////////////////////////////////////////
// Foldable
//////////////////////////////////////////////////////////////////////////
test::TestFoldable<ext::std::array_tag>{int_arrays};
#elif BOOST_HANA_TEST_PART == 4
//////////////////////////////////////////////////////////////////////////
// Iterable
//////////////////////////////////////////////////////////////////////////
{
// is_empty
{
BOOST_HANA_CONSTANT_CHECK(is_empty(array<>()));
BOOST_HANA_CONSTANT_CHECK(not_(is_empty(array<0>())));
BOOST_HANA_CONSTANT_CHECK(not_(is_empty(array<0, 1>())));
}
// front
{
BOOST_HANA_CONSTEXPR_CHECK(front(array<0>()) == 0);
BOOST_HANA_CONSTEXPR_CHECK(front(array<0, 1>()) == 0);
BOOST_HANA_CONSTEXPR_CHECK(front(array<0, 1, 2>()) == 0);
}
// drop_front_exactly
{
BOOST_HANA_CONSTANT_CHECK(equal(
drop_front_exactly(array<0>()),
array<>()
));
BOOST_HANA_CONSTEXPR_CHECK(equal(
drop_front_exactly(array<0, 1>()),
array<1>()
));
BOOST_HANA_CONSTEXPR_CHECK(equal(
drop_front_exactly(array<0, 1, 2>()),
array<1, 2>()
));
BOOST_HANA_CONSTEXPR_CHECK(equal(
drop_front_exactly(array<0, 1, 2, 3>()),
array<1, 2, 3>()
));
BOOST_HANA_CONSTEXPR_CHECK(equal(
drop_front_exactly(array<0, 1, 2, 3>(), size_c<2>),
array<2, 3>()
));
BOOST_HANA_CONSTEXPR_CHECK(equal(
drop_front_exactly(array<0, 1, 2, 3>(), size_c<3>),
array<3>()
));
}
// laws
test::TestIterable<ext::std::array_tag>{int_arrays};
}
#elif BOOST_HANA_TEST_PART == 5
//////////////////////////////////////////////////////////////////////////
// Searchable
//////////////////////////////////////////////////////////////////////////
{
auto eq_arrays = make<tuple_tag>(
std::array<ct_eq<0>, 0>{}
, std::array<ct_eq<0>, 1>{}
, std::array<ct_eq<0>, 2>{}
, std::array<ct_eq<0>, 3>{}
, std::array<ct_eq<0>, 4>{}
);
auto eq_keys = make<tuple_tag>(ct_eq<0>{});
test::TestSearchable<ext::std::array_tag>{eq_arrays, eq_keys};
}
#endif
}