boost/libs/geometry/test/algorithms/detail/tupled_output.cpp
2021-10-05 21:37:46 +02:00

117 lines
4.6 KiB
C++

// Boost.Geometry
// Unit Test
// Copyright (c) 2019 Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <geometry_test_common.hpp>
#include <boost/geometry/algorithms/detail/tupled_output.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/util/range.hpp>
namespace bgd = boost::geometry::detail;
namespace bgt = boost::geometry::tuples;
namespace bgr = boost::geometry::range;
template <typename MultiPoint>
void add_points(MultiPoint & mp)
{
typedef typename bg::point_type<MultiPoint>::type point_type;
bg::range::push_back(mp, point_type(1, 2));
bg::range::push_back(mp, point_type(2, 3));
bg::range::push_back(mp, point_type(3, 4));
}
template <typename TupleM, typename TupleS>
void test_range_values()
{
typedef typename bgd::tupled_range_values<TupleM>::type tuple_s;
BOOST_CHECK_EQUAL((boost::is_same<tuple_s, TupleS>::value), true);
}
template <typename TupleM, typename TupleBI>
void test_back_inserters()
{
typedef typename bgd::tupled_back_inserters<TupleM>::type tuple_bi;
BOOST_CHECK_EQUAL((boost::is_same<tuple_bi, TupleBI>::value), true);
TupleM tup;
bgd::tupled_back_inserters<TupleM>::apply(tup);
}
template <typename TuplePoLs, typename TupleLsMPt>
void test_all()
{
BOOST_CHECK_EQUAL((bgd::is_tupled_output<TuplePoLs>::value), false);
BOOST_CHECK_EQUAL((bgd::is_tupled_output<TupleLsMPt>::value), true);
BOOST_CHECK_EQUAL((bgd::tupled_output_has<TuplePoLs, bg::multi_point_tag>::value), false);
BOOST_CHECK_EQUAL((bgd::tupled_output_has<TupleLsMPt, bg::multi_point_tag>::value), true);
BOOST_CHECK_EQUAL((bgd::tupled_output_has<TuplePoLs, bg::multi_polygon_tag>::value), false);
BOOST_CHECK_EQUAL((bgd::tupled_output_has<TupleLsMPt, bg::multi_polygon_tag>::value), false);
TupleLsMPt tup;
add_points(bgd::tupled_output_get<bg::multi_point_tag>(tup));
BOOST_CHECK_EQUAL((boost::size(bgt::get<1>(tup))), 3u);
}
int test_main(int, char* [])
{
typedef bg::model::point<double, 2, bg::cs::cartesian> point;
typedef bg::model::linestring<point> linestring;
typedef bg::model::polygon<point> polygon;
typedef bg::model::multi_point<point> multi_point;
typedef bg::model::multi_linestring<linestring> multi_linestring;
//typedef bg::model::multi_polygon<polygon> multi_polygon;
BOOST_CHECK_EQUAL((bg::range::detail::is_range<int>::value), false);
BOOST_CHECK_EQUAL((bg::range::detail::is_range<linestring>::value), true);
BOOST_CHECK_EQUAL((bg::range::detail::is_range<multi_point>::value), true);
BOOST_CHECK_EQUAL((bgd::is_tupled_output_element<int>::value), false);
BOOST_CHECK_EQUAL((bgd::is_tupled_output_element<linestring>::value), false);
BOOST_CHECK_EQUAL((bgd::is_tupled_output_element<multi_point>::value), true);
test_all<boost::tuple<polygon, linestring>, boost::tuple<linestring, multi_point> >();
test_all<std::pair<polygon, linestring>, std::pair<linestring, multi_point> >();
test_range_values<boost::tuple<multi_linestring, multi_point>,
boost::tuples::cons<linestring,
boost::tuples::cons<point,
boost::tuples::null_type> > >();
test_range_values<std::pair<multi_linestring, multi_point>,
std::pair<linestring, point> >();
test_back_inserters<boost::tuple<multi_linestring, multi_point>,
boost::tuples::cons<bgr::back_insert_iterator<multi_linestring>,
boost::tuples::cons<bgr::back_insert_iterator<multi_point>,
boost::tuples::null_type> > >();
test_back_inserters<std::pair<multi_linestring, multi_point>,
std::pair<bgr::back_insert_iterator<multi_linestring>,
bgr::back_insert_iterator<multi_point> > >();
#if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_VARIADIC_TEMPLATES)
test_all<std::tuple<polygon, linestring>, std::tuple<linestring, multi_point> >();
test_range_values<std::tuple<multi_linestring, multi_point>,
std::tuple<linestring, point> >();
test_back_inserters<std::tuple<multi_linestring, multi_point>,
std::tuple<bgr::back_insert_iterator<multi_linestring>,
bgr::back_insert_iterator<multi_point> > >();
#endif
return 0;
}