libs/geometry/test/multi/algorithms/multi_num_interior_rings.cpp

// Boost.Geometry (aka GGL, Generic Geometry Library)
//
// Copyright 2011 Barend Gehrels (barend@xs4all.nl), Amsterdam, the Netherlands
// 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 <geometry_test_common.hpp>

#include <boost/geometry/algorithms/num_interior_rings.hpp>
#include <boost/geometry/multi/algorithms/num_interior_rings.hpp>

#include <boost/geometry/domains/gis/io/wkt/wkt.hpp>

#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/multi/geometries/multi_point.hpp>
#include <boost/geometry/multi/geometries/multi_linestring.hpp>
#include <boost/geometry/multi/geometries/multi_polygon.hpp>

template <typename Geometry>
void test_geometry(std::string const& wkt, int expected)
{
    Geometry geometry;
    bg::read_wkt(wkt, geometry);
    int detected = bg::num_interior_rings(geometry);
    BOOST_CHECK_MESSAGE(detected == expected,
        "num_interior_rings: " << wkt
        << " -> Expected: " << expected
        << " detected: " << detected);
}


template <typename Point>
void test_all()
{
    typedef bg::model::polygon<Point> poly;
    typedef bg::model::multi_polygon<poly> mpoly;

    test_geometry<poly>("POLYGON((0 0,0 10,10 0,0 0),(1 1,1 9,9 1,1 1))", 1);
    test_geometry<mpoly>("MULTIPOLYGON(((0 0,0 10,10 0,0 0),(1 1,1 9,9 1,1 1)),((0 0,0 10,10 0,0 0),(1 1,1 4,4 1,1 1),(5 1,5 4,9 1,5 1)))", 3);
}


int test_main( int , char* [] )
{
    test_all<bg::model::d2::point_xy<double> >();

#ifdef HAVE_TTMATH
    test_all<bg::model::d2::point_xy<ttmath_big> >();
#endif

    return 0;
}