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>
test_simple_s(Geometry const & geometry,Strategy const & strategy,bool expected_result,bool check_validity=true)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>
test_simple(Geometry const & geometry,bool expected_result,bool check_validity=true)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>
test_simple(Geometry const & geometry,bool expected_result,bool check_validity=true)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)>
test_simple(boost::variant<BOOST_VARIANT_ENUM_PARAMS (T)> const & variant_geometry,bool expected_result,bool check_validity=true)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 }
122