geometry/test/algorithms/num_geometries_multi.cpp
2015-09-08 17:47:23 +02:00

58 lines
1.7 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
//
// Copyright (c) 2011-2015 Barend Gehrels, 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_geometries.hpp>
#include <boost/geometry/io/wkt/wkt.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
template <typename Geometry>
void test_geometry(std::string const& wkt, std::size_t expected)
{
Geometry geometry;
bg::read_wkt(wkt, geometry);
std::size_t detected = bg::num_geometries(geometry);
BOOST_CHECK_MESSAGE(detected == expected,
"num_geometries: " << wkt
<< " -> Expected: " << expected
<< " detected: " << detected);
}
template <typename Point>
void test_all()
{
typedef bg::model::polygon<Point> poly;
typedef bg::model::linestring<Point> ls;
typedef bg::model::multi_point<Point> mpoint;
typedef bg::model::multi_linestring<ls> mls;
typedef bg::model::multi_polygon<poly> mpoly;
test_geometry<Point>("POINT(0 0)", 1);
test_geometry<ls>("LINESTRING(0 0,0 1)", 1);
test_geometry<poly>("POLYGON((0 0,0 1,1 0,0 0))", 1);
test_geometry<mpoint>("MULTIPOINT((0 0),(0 1),(1 0),(0 0))", 4);
test_geometry<mls>("MULTILINESTRING((0 0,0 1),(1 0,0 0))", 2);
test_geometry<mpoly>("MULTIPOLYGON(((0 0,0 1,1 0,0 0)),((10 0,10 1,11 0,10 0)))", 2);
}
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;
}