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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_SPAN_HPP
#define BOOST_HANA_TEST_AUTO_SPAN_HPP
#include <boost/hana/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/span.hpp>
#include "test_case.hpp"
#include <laws/base.hpp>
#include <support/minimal_product.hpp>
TestCase test_span{[]{
namespace hana = boost::hana;
using hana::test::ct_eq;
auto z = ct_eq<999>{};
auto pair = ::minimal_product;
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(), hana::equal.to(z)),
pair(MAKE_TUPLE(), MAKE_TUPLE())
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(ct_eq<0>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(z), hana::equal.to(z)),
pair(MAKE_TUPLE(z), MAKE_TUPLE())
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(ct_eq<0>{}, z), hana::equal.to(z)),
pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(z, ct_eq<0>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<0>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(z, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(z), MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(), MAKE_TUPLE(ct_eq<0>{}, z, ct_eq<2>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(z, z, ct_eq<2>{}), hana::equal.to(z)),
pair(MAKE_TUPLE(z, z), MAKE_TUPLE(ct_eq<2>{}))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span(MAKE_TUPLE(z, z, z), hana::equal.to(z)),
pair(MAKE_TUPLE(z, z, z), MAKE_TUPLE())
));
// span.by
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span.by(hana::equal.to(z), MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z))
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::span.by(hana::equal.to(z))(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
hana::span(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), hana::equal.to(z))
));
}};
#endif // !BOOST_HANA_TEST_AUTO_SPAN_HPP
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