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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2021.
// Modifications copyright (c) 2021, 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)
#ifndef BOOST_GEOMETRY_TEST_PERIMETER_HPP
#define BOOST_GEOMETRY_TEST_PERIMETER_HPP
#include <boost/variant/variant.hpp>
#include <geometry_test_common.hpp>
#include <boost/geometry/algorithms/perimeter.hpp>
#include <boost/geometry/geometries/geometry_collection.hpp>
#include <boost/geometry/strategies/strategies.hpp>
#include <boost/geometry/io/wkt/read.hpp>
template <typename Geometry>
void test_perimeter(Geometry const& geometry, long double expected_perimeter)
{
typename bg::default_length_result<Geometry>::type
perimeter = bg::perimeter(geometry);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::ostringstream out;
out << typeid(typename bg::coordinate_type<Geometry>::type).name()
<< std::endl
//<< typeid(typename bg::default_perimeter_result<Geometry>::type).name()
<< std::endl
<< "perimeter : " << bg::perimeter(geometry)
<< std::endl;
std::cout << out.str();
#endif
BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
boost::variant<Geometry> v(geometry);
perimeter = bg::perimeter(v);
BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
bg::model::geometry_collection<boost::variant<Geometry>> gc{v};
perimeter = bg::perimeter(gc);
BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
}
template <typename Geometry, typename Strategy>
void test_perimeter(Geometry const& geometry, long double expected_perimeter, Strategy strategy)
{
typename bg::default_length_result<Geometry>::type
perimeter = bg::perimeter(geometry, strategy);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::ostringstream out;
out << typeid(typename bg::coordinate_type<Geometry>::type).name()
<< std::endl
//<< typeid(typename bg::default_perimeter_result<Geometry>::type).name()
<< std::endl
<< "perimeter : " << bg::perimeter(geometry, strategy)
<< std::endl;
std::cout << out.str();
#endif
BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
boost::variant<Geometry> v(geometry);
perimeter = bg::perimeter(v, strategy);
BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
bg::model::geometry_collection<boost::variant<Geometry>> gc{v};
perimeter = bg::perimeter(gc, strategy);
BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
}
template <typename Geometry>
void test_geometry(std::string const& wkt, double expected_perimeter)
{
Geometry geometry;
bg::read_wkt(wkt, geometry);
test_perimeter(geometry, expected_perimeter);
}
template <typename Geometry, typename Strategy>
void test_geometry(std::string const& wkt, double expected_perimeter, Strategy strategy)
{
Geometry geometry;
bg::read_wkt(wkt, geometry);
boost::variant<Geometry> v(geometry);
test_perimeter(geometry, expected_perimeter, strategy);
#if !defined(BOOST_GEOMETRY_TEST_DEBUG)
test_perimeter(v, expected_perimeter, strategy);
#endif
}
template <typename Geometry>
void test_empty_input(Geometry const& geometry)
{
try
{
bg::perimeter(geometry);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
}
#endif
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