1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <sstream>
#include <string>
#include <geometry_test_common.hpp>
#include <boost/geometry/iterators/ever_circling_iterator.hpp>
#include <boost/geometry/core/coordinate_type.hpp>
#include <boost/geometry/io/wkt/read.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
template <typename G>
void test_geometry(std::string const& wkt)
{
G geo;
bg::read_wkt(wkt, geo);
typedef typename boost::range_iterator<G const>::type iterator_type;
// Run 3 times through the geometry
int n = boost::size(geo) * 3;
{
std::ostringstream out;
bg::ever_circling_iterator<iterator_type> it(boost::begin(geo), boost::end(geo));
for (int i = 0; i < n; ++i, ++it)
{
out << bg::get<0>(*it);
}
BOOST_CHECK_EQUAL(out.str(), "123451234512345");
}
{
std::ostringstream out;
// Start somewhere
bg::ever_circling_iterator<iterator_type> it(
boost::begin(geo), boost::end(geo), boost::begin(geo) + 1);
for (int i = 0; i < n; ++i, ++it)
{
out << bg::get<0>(*it);
}
BOOST_CHECK_EQUAL(out.str(), "234512345123451");
}
{
std::ostringstream out;
// Navigate to somewhere
bg::ever_circling_iterator<iterator_type> it(boost::begin(geo), boost::end(geo));
for (int i = 0; i < n; ++i, ++it)
{
const int m = boost::size(geo);
it.moveto(boost::begin(geo) + m - (i % m) - 1);
out << bg::get<0>(*it);
}
BOOST_CHECK_EQUAL(out.str(), "543215432154321");
}
// Check the range_iterator-one
{
std::ostringstream out;
bg::ever_circling_range_iterator<G> it(geo);
for (int i = 0; i < n; ++i, ++it)
{
out << bg::get<0>(*it);
}
BOOST_CHECK_EQUAL(out.str(), "123451234512345");
}
}
template <typename P>
void test_all()
{
test_geometry<bg::model::linestring<P> >("linestring(1 1,2 2,3 3,4 4,5 5)");
}
int test_main(int, char* [])
{
test_all<bg::model::d2::point_xy<double> >();
return 0;
}
|
