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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | // Unit Test | |
3 | ||
4 | // Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
5 | ||
6 | // Use, modification and distribution is subject to the Boost Software License, | |
7 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
8 | // http://www.boost.org/LICENSE_1_0.txt) | |
9 | ||
10 | ||
11 | #include <algorithm> | |
12 | #include <iterator> | |
13 | #include <sstream> | |
14 | #include <string> | |
15 | ||
16 | #include <geometry_test_common.hpp> | |
17 | ||
18 | #include <boost/geometry/views/closeable_view.hpp> | |
19 | #include <boost/geometry/views/reversible_view.hpp> | |
20 | ||
21 | #include <boost/geometry/io/wkt/read.hpp> | |
22 | #include <boost/geometry/io/dsv/write.hpp> | |
23 | #include <boost/geometry/geometries/geometries.hpp> | |
24 | #include <boost/geometry/geometries/point_xy.hpp> | |
25 | #include <boost/geometry/geometries/adapted/boost_tuple.hpp> | |
26 | ||
b32b8144 | 27 | BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian) |
7c673cae FG |
28 | |
29 | ||
30 | template <typename View> | |
31 | void test_option(View const& view, std::string const& expected) | |
32 | { | |
33 | ||
34 | bool first = true; | |
35 | std::ostringstream out; | |
36 | ||
37 | typedef typename boost::range_iterator<View const>::type iterator; | |
38 | ||
39 | iterator end = boost::end(view); | |
40 | for (iterator it = boost::begin(view); it != end; ++it, first = false) | |
41 | { | |
42 | out << (first ? "" : " ") << bg::dsv(*it); | |
43 | } | |
44 | BOOST_CHECK_EQUAL(out.str(), expected); | |
45 | } | |
46 | ||
47 | template <bg::closure_selector Closure, bg::iterate_direction Direction, typename Range> | |
48 | void test_close_reverse(Range const& range, std::string const& expected) | |
49 | { | |
50 | typedef typename bg::reversible_view<Range const, Direction>::type rview; | |
51 | typedef typename bg::closeable_view<rview const, Closure>::type cview; | |
52 | ||
53 | rview view1(range); | |
54 | cview view2(view1); | |
55 | ||
56 | test_option(view2, expected); | |
57 | } | |
58 | ||
59 | ||
60 | template <bg::iterate_direction Direction, bg::closure_selector Closure, typename Range> | |
61 | void test_reverse_close(Range const& range, std::string const& expected) | |
62 | { | |
63 | typedef typename bg::closeable_view<Range const, Closure>::type cview; | |
64 | typedef typename bg::reversible_view<cview const, Direction>::type rview; | |
65 | ||
66 | cview view1(range); | |
67 | rview view2(view1); | |
68 | test_option(view2, expected); | |
69 | } | |
70 | ||
71 | ||
72 | template | |
73 | < | |
74 | bg::iterate_direction Direction1, | |
75 | bg::iterate_direction Direction2, | |
76 | typename Range | |
77 | > | |
78 | void test_reverse_reverse(Range const& range, std::string const& expected) | |
79 | { | |
80 | typedef typename bg::reversible_view<Range const, Direction1>::type rview1; | |
81 | typedef typename bg::reversible_view<rview1 const, Direction2>::type rview2; | |
82 | ||
83 | rview1 view1(range); | |
84 | rview2 view2(view1); | |
85 | test_option(view2, expected); | |
86 | } | |
87 | ||
88 | template | |
89 | < | |
90 | bg::closure_selector Closure1, | |
91 | bg::closure_selector Closure2, | |
92 | typename Range | |
93 | > | |
94 | void test_close_close(Range const& range, std::string const& expected) | |
95 | { | |
96 | typedef typename bg::closeable_view<Range const, Closure1>::type cview1; | |
97 | typedef typename bg::closeable_view<cview1 const, Closure2>::type cview2; | |
98 | ||
99 | cview1 view1(range); | |
100 | cview2 view2(view1); | |
101 | test_option(view2, expected); | |
102 | } | |
103 | ||
104 | ||
105 | template <typename Geometry> | |
106 | void test_geometry(std::string const& wkt, | |
107 | std::string const& expected_n, | |
108 | std::string const& expected_r, | |
109 | std::string const& closing, | |
110 | std::string const& rclosing | |
111 | ) | |
112 | { | |
113 | std::string expected; | |
114 | Geometry geo; | |
115 | bg::read_wkt(wkt, geo); | |
116 | ||
117 | test_close_reverse<bg::closed, bg::iterate_forward>(geo, expected_n); | |
118 | test_close_reverse<bg::open, bg::iterate_forward>(geo, expected_n + closing); | |
119 | test_close_reverse<bg::closed, bg::iterate_reverse>(geo, expected_r); | |
120 | ||
121 | // 13-12-2010, this case was problematic in MSVC | |
122 | // SOLVED: caused by IMPLICIT constructor! It is now explicit and should be kept like that. | |
123 | test_close_reverse<bg::open, bg::iterate_reverse>(geo, expected_r + rclosing); | |
124 | ||
125 | test_reverse_close<bg::iterate_forward, bg::closed>(geo, expected_n); | |
126 | test_reverse_close<bg::iterate_forward, bg::open>(geo, expected_n + closing); | |
127 | test_reverse_close<bg::iterate_reverse, bg::closed>(geo, expected_r); | |
128 | ||
129 | // first closed, then reversed: | |
130 | expected = boost::trim_copy(closing + " " + expected_r); | |
131 | test_reverse_close<bg::iterate_reverse, bg::open>(geo, expected); | |
132 | ||
133 | test_reverse_reverse<bg::iterate_forward, bg::iterate_forward>(geo, expected_n); | |
134 | test_reverse_reverse<bg::iterate_reverse, bg::iterate_reverse>(geo, expected_n); | |
135 | test_reverse_reverse<bg::iterate_forward, bg::iterate_reverse>(geo, expected_r); | |
136 | test_reverse_reverse<bg::iterate_reverse, bg::iterate_forward>(geo, expected_r); | |
137 | ||
138 | test_close_close<bg::closed, bg::closed>(geo, expected_n); | |
139 | test_close_close<bg::open, bg::closed>(geo, expected_n + closing); | |
140 | test_close_close<bg::closed, bg::open>(geo, expected_n + closing); | |
141 | test_close_close<bg::open, bg::open>(geo, expected_n + closing + closing); | |
142 | } | |
143 | ||
144 | ||
145 | template <typename P> | |
146 | void test_all() | |
147 | { | |
148 | test_geometry<bg::model::ring<P> >( | |
149 | "POLYGON((1 1,1 4,4 4,4 1))", | |
150 | "(1, 1) (1, 4) (4, 4) (4, 1)", | |
151 | "(4, 1) (4, 4) (1, 4) (1, 1)", | |
152 | " (1, 1)", // closing | |
153 | " (4, 1)" // rclosing | |
154 | ); | |
155 | } | |
156 | ||
157 | ||
158 | int test_main(int, char* []) | |
159 | { | |
160 | test_all<bg::model::d2::point_xy<double> >(); | |
161 | test_all<bg::model::point<int, 2, bg::cs::cartesian> >(); | |
162 | test_all<boost::tuple<double, double> >(); | |
163 | ||
164 | return 0; | |
165 | } |