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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_PARTITION_HPP
#define BOOST_HANA_TEST_AUTO_PARTITION_HPP
#include <boost/hana/assert.hpp>
#include <boost/hana/contains.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/partition.hpp>
#include "test_case.hpp"
#include <laws/base.hpp>
#include <support/minimal_product.hpp>
TestCase test_partition{[]{
namespace hana = boost::hana;
using hana::test::ct_eq;
struct undefined { };
auto pair = ::minimal_product;
auto pred = hana::in ^ MAKE_TUPLE(ct_eq<-1>{}, ct_eq<-2>{}, ct_eq<-3>{}, ct_eq<-4>{}, ct_eq<-5>{});
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(), undefined{}),
pair(MAKE_TUPLE(), MAKE_TUPLE())
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(ct_eq<0>{}), pred),
pair(MAKE_TUPLE(),
MAKE_TUPLE(ct_eq<0>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), pred),
pair(MAKE_TUPLE(),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(ct_eq<-1>{}), pred),
pair(MAKE_TUPLE(ct_eq<-1>{}),
MAKE_TUPLE())
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{}), pred),
pair(MAKE_TUPLE(ct_eq<-1>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(ct_eq<0>{}, ct_eq<-3>{}, ct_eq<2>{}, ct_eq<-5>{}, ct_eq<6>{}), pred),
pair(MAKE_TUPLE(ct_eq<-3>{}, ct_eq<-5>{}),
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<6>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<2>{}, ct_eq<-3>{}, ct_eq<0>{}, ct_eq<-3>{}, ct_eq<4>{}), pred),
pair(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<-3>{}, ct_eq<-3>{}),
MAKE_TUPLE(ct_eq<2>{}, ct_eq<0>{}, ct_eq<4>{}))
));
// partition.by
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition.by(pred, MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{})),
hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{}), pred)
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::partition.by(pred)(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{})),
hana::partition(MAKE_TUPLE(ct_eq<-1>{}, ct_eq<0>{}, ct_eq<2>{}), pred)
));
}};
#endif // !BOOST_HANA_TEST_AUTO_PARTITION_HPP
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