libs/geometry/test/algorithms/test_intersects.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Use, modification and distribution is subject to the Boost Software License,
   6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #ifndef BOOST_GEOMETRY_TEST_INTERSECTS_HPP
  10 #define BOOST_GEOMETRY_TEST_INTERSECTS_HPP
  11
  12
  13 #include <geometry_test_common.hpp>
  14
  15 #include <boost/geometry/core/ring_type.hpp>
  16 #include <boost/geometry/algorithms/intersects.hpp>
  17 #include <boost/geometry/strategies/strategies.hpp>
  18 #include <boost/geometry/geometries/ring.hpp>
  19 #include <boost/geometry/geometries/polygon.hpp>
  20
  21 #include <boost/geometry/io/wkt/read.hpp>
  22
  23
  24 template <typename Geometry1, typename Geometry2>
  25 void test_geometry(std::string const& wkt1,
  26         std::string const& wkt2, bool expected)
  27 {
  28     Geometry1 geometry1;
  29     Geometry2 geometry2;
  30
  31     bg::read_wkt(wkt1, geometry1);
  32     bg::read_wkt(wkt2, geometry2);
  33
  34     bool detected = bg::intersects(geometry1, geometry2);
  35
  36     BOOST_CHECK_MESSAGE(detected == expected,
  37         "intersects: " << wkt1
  38         << " with " << wkt2
  39         << " -> Expected: " << expected
  40         << " detected: " << detected);
  41 }
  42
  43
  44 template <typename Geometry>
  45 void test_self_intersects(std::string const& wkt, bool expected)
  46 {
  47     Geometry geometry;
  48
  49     bg::read_wkt(wkt, geometry);
  50
  51     bool detected = bg::intersects(geometry);
  52
  53     BOOST_CHECK_MESSAGE(detected == expected,
  54         "intersects: " << wkt
  55         << " -> Expected: " << expected
  56         << " detected: " << detected);
  57 }
  58
  59
  60
  61 #endif