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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
- // 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_AREA_HPP
- #define BOOST_GEOMETRY_TEST_AREA_HPP
- #include <geometry_test_common.hpp>
- #include <boost/geometry/algorithms/area.hpp>
- #include <boost/geometry/algorithms/correct.hpp>
- #include <boost/geometry/strategies/strategies.hpp>
- #include <boost/geometry/io/wkt/read.hpp>
- template <typename Geometry>
- void test_area(Geometry const& geometry,
- typename bg::default_area_result<Geometry>::type expected_area)
- {
- typename bg::default_area_result<Geometry>::type area = bg::area(geometry);
- #ifdef BOOST_GEOMETRY_TEST_DEBUG
- std::ostringstream out;
- out << typeid(typename bg::coordinate_type<Geometry>::type).name()
- << " "
- << typeid(typename bg::default_area_result<Geometry>::type).name()
- << " "
- << "area : " << bg::area(geometry)
- << std::endl;
- std::cout << out.str();
- #endif
- BOOST_CHECK_CLOSE(area, expected_area, 0.0001);
- // Test with explicitly defined strategies
- bg::strategy::area::cartesian<> strategy1;
- area = bg::area(geometry, strategy1);
- bg::strategy::area::cartesian
- <
- typename bg::coordinate_type<Geometry>::type
- > strategy2;
- area = bg::area(geometry, strategy2);
- }
- template <typename Geometry>
- void test_geometry(std::string const& wkt,
- typename bg::default_area_result<Geometry>::type expected_area)
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- test_area(geometry, expected_area);
- }
- template <typename Geometry>
- void test_empty_input(Geometry const& geometry)
- {
- try
- {
- bg::area(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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