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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
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//
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// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
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// Copyright Bruno Lalande 2008, 2009
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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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#include <geometry_test_common.hpp>
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// To be tested:
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#include <boost/geometry/core/ring_type.hpp>
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#include <boost/geometry/core/exterior_ring.hpp>
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#include <boost/geometry/core/interior_rings.hpp>
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// For geometries:
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#include <boost/geometry/core/cs.hpp>
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#include <boost/geometry/geometries/point.hpp>
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#include <boost/geometry/geometries/polygon.hpp>
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#include <boost/geometry/extensions/gis/io/wkt/read_wkt.hpp>
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template <typename P>
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void test_ring(std::string const& wkt,
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int expected_main_count,
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int expected_interior_ring_count,
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int expected_first_interior_count)
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{
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typedef bg::model::polygon<P> the_polygon;
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typedef typename bg::ring_type<the_polygon>::type the_ring;
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typedef typename bg::interior_return_type<the_polygon const>::type the_interior;
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the_polygon poly;
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bg::read_wkt(wkt, poly);
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the_ring ext = bg::exterior_ring(poly);
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the_interior rings = bg::interior_rings(poly);
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BOOST_CHECK_EQUAL(bg::num_interior_rings(poly), std::size_t(expected_interior_ring_count));
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BOOST_CHECK_EQUAL(boost::size(rings), expected_interior_ring_count);
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BOOST_CHECK_EQUAL(boost::size(ext), expected_main_count);
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if (boost::size(rings))
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{
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BOOST_CHECK_EQUAL(boost::size(rings.front()), expected_first_interior_count);
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}
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}
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template <typename P>
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void test_all()
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{
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test_ring<P>("POLYGON((0 0,0 3,3 3,3 0,0 0),(1 1,1 2,2 2,2 1,1 1))", 5, 1, 5);
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test_ring<P>("POLYGON((0 0,0 3,3 3,3 0,0 0),(1 1,2 2,2 1,1 1),(1 1,1 2,2 2,1 1))", 5, 2, 4);
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test_ring<P>("POLYGON((0 0,0 3,3 3,3 0,0 0))", 5, 0, 0);
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}
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int test_main(int, char* [])
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{
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test_all<bg::model::point<double, 2, bg::cs::cartesian> >();
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return 0;
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}
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