boost/libs/geometry/test/geometries/multi_linestring.cpp
2021-10-05 21:37:46 +02:00

160 lines
4.3 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2020 Digvijay Janartha, Hamirpur, India.
// 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 <iostream>
#include <geometry_test_common.hpp>
#include <boost/core/ignore_unused.hpp>
#include <boost/geometry/algorithms/make.hpp>
#include <boost/geometry/algorithms/append.hpp>
#include <boost/geometry/geometries/point.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/linestring.hpp>
#include <boost/geometry/geometries/multi_linestring.hpp>
#include <boost/geometry/geometries/concepts/multi_linestring_concept.hpp>
#include <boost/geometry/geometries/adapted/c_array.hpp>
#include <boost/geometry/geometries/adapted/boost_tuple.hpp>
#include <boost/geometry/io/dsv/write.hpp>
#include <test_common/test_point.hpp>
BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
#ifdef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
#include <initializer_list>
#endif//BOOST_NO_CXX11_HDR_INITIALIZER_LIST
template <typename P>
bg::model::linestring<P> create_linestring()
{
bg::model::linestring<P> l1;
P p1(1, 2);
bg::append(l1, p1);
return l1;
}
template <typename P, typename L>
bg::model::multi_linestring<L> create_multi_linestring()
{
bg::model::multi_linestring<L> ml1;
L l1(create_linestring<P>());
ml1.push_back(l1);
ml1.push_back(l1);
return ml1;
}
template <typename ML, typename L>
void check_multi_linestring(ML& to_check, L l1)
{
ML cur;
cur.push_back(l1);
cur.push_back(l1);
std::ostringstream out1, out2;
out1 << bg::dsv(to_check);
out2 << bg::dsv(cur);
BOOST_CHECK_EQUAL(out1.str(), out2.str());
}
template <typename P, typename L>
void test_default_constructor()
{
bg::model::multi_linestring<L> ml1(create_multi_linestring<P, L>());
check_multi_linestring(ml1, L(create_linestring<P>()));
}
template <typename P, typename L>
void test_copy_constructor()
{
bg::model::multi_linestring<L> ml1 = create_multi_linestring<P, L>();
check_multi_linestring(ml1, L(create_linestring<P>()));
}
template <typename P, typename L>
void test_copy_assignment()
{
bg::model::multi_linestring<L> ml1(create_multi_linestring<P, L>()), ml2;
ml2 = ml1;
check_multi_linestring(ml2, L(create_linestring<P>()));
}
template <typename L>
void test_concept()
{
typedef bg::model::multi_linestring<L> ML;
BOOST_CONCEPT_ASSERT( (bg::concepts::ConstMultiLinestring<ML>) );
BOOST_CONCEPT_ASSERT( (bg::concepts::MultiLinestring<ML>) );
typedef typename bg::coordinate_type<ML>::type T;
typedef typename bg::point_type<ML>::type PML;
boost::ignore_unused<T, PML>();
}
template <typename P>
void test_all()
{
typedef bg::model::linestring<P> L;
test_default_constructor<P, L>();
test_copy_constructor<P, L>();
test_copy_assignment<P, L>();
test_concept<L>();
}
template <typename P>
void test_custom_multi_linestring(bg::model::linestring<P> IL)
{
typedef bg::model::linestring<P> L;
std::initializer_list<L> LIL = {IL};
bg::model::multi_linestring<L> ml1(LIL);
std::ostringstream out;
out << bg::dsv(ml1);
BOOST_CHECK_EQUAL(out.str(), "(((1, 1), (2, 2), (3, 3), (0, 0), (0, 2), (0, 3)))");
}
template <typename P>
void test_custom()
{
#ifdef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
std::initializer_list<P> IL1 = {P(1, 1), P(2, 2), P(3, 3)};
std::initializer_list<P> IL2 = {P(0, 0), P(0, 2), P(0, 3)};
bg::model::linestring<P> l1;
bg::append(l1, IL1);
bg::append(l1, IL2);
test_custom_multi_linestring<P>(l1);
#endif//BOOST_NO_CXX11_HDR_INITIALIZER_LIST
}
template <typename CS>
void test_cs()
{
test_all<bg::model::point<int, 2, CS> >();
test_all<bg::model::point<float, 2, CS> >();
test_all<bg::model::point<double, 2, CS> >();
test_custom<bg::model::point<double, 2, CS> >();
}
int test_main(int, char* [])
{
test_cs<bg::cs::cartesian>();
test_cs<bg::cs::spherical<bg::degree> >();
test_cs<bg::cs::spherical_equatorial<bg::degree> >();
test_cs<bg::cs::geographic<bg::degree> >();
test_custom<bg::model::d2::point_xy<double> >();
return 0;
}