82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_TEST_AREA_HPP
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#define BOOST_GEOMETRY_TEST_AREA_HPP
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#include <geometry_test_common.hpp>
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#include <boost/geometry/algorithms/area.hpp>
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#include <boost/geometry/algorithms/correct.hpp>
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#include <boost/geometry/strategies/strategies.hpp>
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#include <boost/geometry/io/wkt/read.hpp>
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template <typename Geometry>
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void test_area(Geometry const& geometry,
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typename bg::default_area_result<Geometry>::type expected_area)
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{
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typename bg::default_area_result<Geometry>::type area = bg::area(geometry);
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::ostringstream out;
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out << typeid(typename bg::coordinate_type<Geometry>::type).name()
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<< " "
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<< typeid(typename bg::default_area_result<Geometry>::type).name()
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<< " "
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<< "area : " << bg::area(geometry)
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<< std::endl;
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std::cout << out.str();
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#endif
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BOOST_CHECK_CLOSE(area, expected_area, 0.0001);
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// Test with explicitly defined strategies
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bg::strategy::area::cartesian<> strategy1;
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area = bg::area(geometry, strategy1);
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bg::strategy::area::cartesian
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<
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typename bg::coordinate_type<Geometry>::type
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> strategy2;
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area = bg::area(geometry, strategy2);
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}
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template <typename Geometry>
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void test_geometry(std::string const& wkt,
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typename bg::default_area_result<Geometry>::type expected_area)
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{
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Geometry geometry;
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bg::read_wkt(wkt, geometry);
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test_area(geometry, expected_area);
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}
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template <typename Geometry>
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void test_empty_input(Geometry const& geometry)
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{
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try
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{
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bg::area(geometry);
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}
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catch(bg::empty_input_exception const& )
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{
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return;
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}
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BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
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}
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#endif
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