1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 // Unit Test
3
4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
5 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
6 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
7
8 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
9 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
10
11 // Use, modification and distribution is subject to the Boost Software License,
12 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
13 // http://www.boost.org/LICENSE_1_0.txt)
14
15 #include <algorithm>
16 #include <iterator>
17 #include <sstream>
18 #include <string>
19
20 #include <geometry_test_common.hpp>
21
22 #include <boost/geometry/iterators/closing_iterator.hpp>
23
24 #include <boost/geometry/core/coordinate_type.hpp>
25 #include <boost/geometry/io/wkt/read.hpp>
26 #include <boost/geometry/geometries/geometries.hpp>
27 #include <boost/geometry/geometries/point_xy.hpp>
28
29 #include <boost/range/adaptor/transformed.hpp>
30
31
32 // The closing iterator should also work on normal std:: containers
test_empty_non_geometry()33 void test_empty_non_geometry()
34 {
35 std::vector<int> v;
36
37 typedef bg::closing_iterator
38 <
39 std::vector<int> const
40 > closing_iterator;
41
42
43 closing_iterator it(v);
44 closing_iterator end(v, true);
45
46 std::ostringstream out;
47 for (; it != end; ++it)
48 {
49 out << *it;
50 }
51 BOOST_CHECK_EQUAL(out.str(), "");
52 }
53
test_non_geometry()54 void test_non_geometry()
55 {
56 std::vector<int> v;
57 v.push_back(1);
58 v.push_back(2);
59 v.push_back(3);
60
61 typedef bg::closing_iterator
62 <
63 std::vector<int> const
64 > closing_iterator;
65
66
67 closing_iterator it(v);
68 closing_iterator end(v, true);
69
70 std::ostringstream out;
71 for (; it != end; ++it)
72 {
73 out << *it;
74 }
75 BOOST_CHECK_EQUAL(out.str(), "1231");
76 }
77
test_transformed_non_geometry()78 void test_transformed_non_geometry()
79 {
80 std::vector<int> v;
81 v.push_back(-1);
82 v.push_back(-2);
83 v.push_back(-3);
84
85 typedef boost::transformed_range
86 <
87 std::negate<int>,
88 std::vector<int>
89 > transformed_range;
90
91 typedef bg::closing_iterator
92 <
93 transformed_range const
94 > closing_iterator;
95
96 transformed_range v2 = v | boost::adaptors::transformed(std::negate<int>());
97 closing_iterator it(v2);
98 closing_iterator end(v2, true);
99
100 std::ostringstream out;
101 for (; it != end; ++it)
102 {
103 out << *it;
104 }
105 BOOST_CHECK_EQUAL(out.str(), "1231");
106 }
107
108
109
110
111
112 template <typename Geometry>
test_geometry(std::string const & wkt)113 void test_geometry(std::string const& wkt)
114 {
115 Geometry geometry;
116 bg::read_wkt(wkt, geometry);
117 typedef bg::closing_iterator<Geometry const> closing_iterator;
118
119
120 // 1. Test normal behaviour
121 {
122 closing_iterator it(geometry);
123 closing_iterator end(geometry, true);
124
125 std::ostringstream out;
126 for (; it != end; ++it)
127 {
128 out << " " << bg::get<0>(*it) << bg::get<1>(*it);
129 }
130 BOOST_CHECK_EQUAL(out.str(), " 11 14 44 41 11");
131
132 // Check compilations, it is (since Oct 2010) random access
133 it--;
134 --it;
135 it += 2;
136 it -= 2;
137 }
138
139 // 2: check copy behaviour
140 {
141 typedef typename boost::range_iterator<Geometry const>::type normal_iterator;
142 Geometry copy;
143
144 std::copy<closing_iterator>(
145 closing_iterator(geometry),
146 closing_iterator(geometry, true),
147 std::back_inserter(copy));
148
149 std::ostringstream out;
150 for (normal_iterator cit = boost::begin(copy); cit != boost::end(copy); ++cit)
151 {
152 out << " " << bg::get<0>(*cit) << bg::get<1>(*cit);
153 }
154 BOOST_CHECK_EQUAL(out.str(), " 11 14 44 41 11");
155 }
156 }
157
158
159 template <typename P>
test_all()160 void test_all()
161 {
162 test_empty_non_geometry();
163 test_non_geometry();
164 test_transformed_non_geometry();
165 test_geometry<bg::model::ring<P> >("POLYGON((1 1,1 4,4 4,4 1))");
166 }
167
168
test_main(int,char * [])169 int test_main(int, char* [])
170 {
171 test_all<bg::model::d2::point_xy<double> >();
172
173 return 0;
174 }
175