ceph/src/boost/libs/geometry/test/algorithms/test_is_simple.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2014-2017, Oracle and/or its affiliates.
   5
   6 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
   7 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   8
   9 // Licensed under the Boost Software License version 1.0.
  10 // http://www.boost.org/users/license.html
  11
  12
  13 #include <iostream>
  14 #include <string>
  15
  16 #include <boost/assert.hpp>
  17 #include <boost/variant/variant.hpp>
  18
  19 #include <boost/test/included/unit_test.hpp>
  20
  21 #include <boost/geometry/geometries/point_xy.hpp>
  22 #include <boost/geometry/geometries/segment.hpp>
  23 #include <boost/geometry/geometries/linestring.hpp>
  24 #include <boost/geometry/geometries/polygon.hpp>
  25 #include <boost/geometry/geometries/box.hpp>
  26 #include <boost/geometry/geometries/multi_point.hpp>
  27 #include <boost/geometry/geometries/multi_linestring.hpp>
  28 #include <boost/geometry/geometries/multi_polygon.hpp>
  29
  30 #include <boost/geometry/strategies/strategies.hpp>
  31
  32 #include <boost/geometry/io/wkt/wkt.hpp>
  33
  34 #include <boost/geometry/algorithms/intersection.hpp>
  35 #include <boost/geometry/algorithms/is_valid.hpp>
  36 #include <boost/geometry/algorithms/is_simple.hpp>
  37
  38 #include <from_wkt.hpp>
  39
  40 #ifdef BOOST_GEOMETRY_TEST_DEBUG
  41 #include "pretty_print_geometry.hpp"
  42 #endif
  43
  44 namespace bg = ::boost::geometry;
  45
  46 template <typename Geometry, typename Strategy>
  47 void test_simple_s(Geometry const& geometry,
  48                    Strategy const& strategy,
  49                    bool expected_result,
  50                    bool check_validity = true)
  51 {
  52     bool simple = bg::is_simple(geometry, strategy);
  53     bool valid = ! check_validity || bg::is_valid(geometry, strategy);
  54
  55     BOOST_CHECK_MESSAGE( valid == true,
  56         "Expected valid geometry, "
  57         << " wkt: " << bg::wkt(geometry) );
  58
  59     BOOST_CHECK_MESSAGE( simple == expected_result,
  60         "Expected: " << expected_result
  61         << " detected: " << simple
  62         << " wkt: " << bg::wkt(geometry) );
  63 }
  64
  65 template <typename CSTag, typename Geometry>
  66 void test_simple(Geometry const& geometry, bool expected_result,
  67                  bool check_validity = true)
  68 {
  69 #ifdef BOOST_GEOMETRY_TEST_DEBUG
  70     std::cout << "=======" << std::endl;
  71 #endif
  72
  73     bool simple = bg::is_simple(geometry);
  74     bool valid = ! check_validity || bg::is_valid(geometry);
  75
  76     BOOST_CHECK_MESSAGE( valid == true,
  77         "Expected valid geometry, "
  78         << " wkt: " << bg::wkt(geometry) );
  79
  80     BOOST_CHECK_MESSAGE( simple == expected_result,
  81         "Expected: " << expected_result
  82         << " detected: " << simple
  83         << " wkt: " << bg::wkt(geometry) );
  84
  85     typedef typename bg::strategy::intersection::services::default_strategy
  86         <
  87             CSTag
  88         >::type strategy_type;
  89
  90     test_simple_s(geometry, strategy_type(), expected_result, check_validity);
  91
  92 #ifdef BOOST_GEOMETRY_TEST_DEBUG
  93     std::cout << "Geometry: ";
  94     pretty_print_geometry<Geometry>::apply(std::cout, geometry);
  95     std::cout << std::endl;
  96     std::cout << std::boolalpha;
  97     std::cout << "is simple: " << simple << std::endl;
  98     std::cout << "expected result: " << expected_result << std::endl;
  99     std::cout << "=======" << std::endl;
 100     std::cout << std::endl << std::endl;
 101     std::cout << std::noboolalpha;
 102 #endif
 103 }
 104
 105 template <typename Geometry>
 106 void test_simple(Geometry const& geometry,
 107                  bool expected_result,
 108                  bool check_validity = true)
 109 {
 110     typedef typename bg::cs_tag<Geometry>::type cs_tag;
 111     test_simple<cs_tag>(geometry, expected_result, check_validity);
 112 }
 113
 114 template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
 115 void test_simple(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& variant_geometry,
 116                  bool expected_result,
 117                  bool check_validity = true)
 118 {
 119     typedef typename bg::cs_tag<T0>::type cs_tag;
 120     test_simple<cs_tag>(variant_geometry, expected_result, check_validity);
 121 }