183 lines
6.4 KiB
C++
183 lines
6.4 KiB
C++
// 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_SLICE_HPP
|
|
#define BOOST_HANA_TEST_AUTO_SLICE_HPP
|
|
|
|
#include <boost/hana/assert.hpp>
|
|
#include <boost/hana/equal.hpp>
|
|
#include <boost/hana/integral_constant.hpp>
|
|
#include <boost/hana/range.hpp>
|
|
#include <boost/hana/slice.hpp>
|
|
#include <boost/hana/tuple.hpp>
|
|
|
|
#include "test_case.hpp"
|
|
#include <laws/base.hpp>
|
|
#include <support/seq.hpp>
|
|
|
|
#include <cstddef>
|
|
|
|
|
|
TestCase test_slice{[]{
|
|
namespace hana = boost::hana;
|
|
using hana::test::ct_eq;
|
|
constexpr auto foldable = ::seq;
|
|
|
|
struct undefined { };
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// Test with arbitrary indices
|
|
//////////////////////////////////////////////////////////////////////////
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(),
|
|
foldable()),
|
|
MAKE_TUPLE()
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}),
|
|
foldable()),
|
|
MAKE_TUPLE()
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, undefined{}),
|
|
foldable()),
|
|
MAKE_TUPLE()
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}),
|
|
foldable(hana::size_c<0>)),
|
|
MAKE_TUPLE(ct_eq<0>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}),
|
|
foldable(hana::size_c<0>)),
|
|
MAKE_TUPLE(ct_eq<0>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}),
|
|
foldable(hana::size_c<1>)),
|
|
MAKE_TUPLE(ct_eq<1>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
|
|
foldable(hana::size_c<0>, hana::size_c<1>)),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
|
|
foldable(hana::size_c<1>, hana::size_c<0>)),
|
|
MAKE_TUPLE(ct_eq<1>{}, ct_eq<0>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
|
|
foldable(hana::size_c<0>, hana::size_c<0>)),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
|
|
foldable(hana::size_c<1>, hana::size_c<1>)),
|
|
MAKE_TUPLE(ct_eq<1>{}, ct_eq<1>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
|
|
foldable(hana::size_c<0>, hana::size_c<1>, hana::size_c<2>)),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
|
|
foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>)),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
|
|
foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>)),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
|
|
foldable(hana::size_c<0>, hana::size_c<2>, hana::size_c<1>, hana::size_c<0>, hana::size_c<1>)),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{}, ct_eq<1>{})
|
|
));
|
|
|
|
// Try with a tuple_c
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
|
|
hana::tuple_c<unsigned, 1, 3, 2>),
|
|
MAKE_TUPLE(ct_eq<1>{}, ct_eq<3>{}, ct_eq<2>{})
|
|
));
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// Test with a `range` (check the optimization for contiguous indices)
|
|
//////////////////////////////////////////////////////////////////////////
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(),
|
|
hana::range_c<std::size_t, 0, 0>),
|
|
MAKE_TUPLE()
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}),
|
|
hana::range_c<std::size_t, 0, 0>),
|
|
MAKE_TUPLE()
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, undefined{}),
|
|
hana::range_c<std::size_t, 0, 0>),
|
|
MAKE_TUPLE()
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}),
|
|
hana::range_c<std::size_t, 0, 1>),
|
|
MAKE_TUPLE(ct_eq<0>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, undefined{}),
|
|
hana::range_c<std::size_t, 0, 1>),
|
|
MAKE_TUPLE(ct_eq<0>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}),
|
|
hana::range_c<std::size_t, 1, 2>),
|
|
MAKE_TUPLE(ct_eq<1>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, undefined{}),
|
|
hana::range_c<std::size_t, 1, 2>),
|
|
MAKE_TUPLE(ct_eq<1>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}),
|
|
hana::range_c<std::size_t, 0, 2>),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
|
|
));
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, undefined{}),
|
|
hana::range_c<std::size_t, 0, 2>),
|
|
MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}),
|
|
hana::range_c<std::size_t, 1, 3>),
|
|
MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::slice(MAKE_TUPLE(undefined{}, ct_eq<1>{}, ct_eq<2>{}, undefined{}),
|
|
hana::range_c<std::size_t, 1, 3>),
|
|
MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{})
|
|
));
|
|
}};
|
|
|
|
#endif // !BOOST_HANA_TEST_AUTO_SLICE_HPP
|