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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2010-2012 Barend Gehrels, 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 <algorithm>
#include <iterator>
#include <sstream>
#include <string>
#include <geometry_test_common.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/views/segment_view.hpp>
#include <boost/geometry/io/wkt/read.hpp>
template <typename Segment>
void test_geometry(std::string const& wkt, std::string const& expected)
{
Segment segment;
bg::read_wkt(wkt, segment);
typedef bg::segment_view<Segment> range_type;
range_type range(segment);
{
std::ostringstream out;
for (typename boost::range_iterator<range_type>::type it = boost::begin(range);
it != boost::end(range); ++it)
{
out << " " << bg::get<0>(*it) << bg::get<1>(*it);
}
BOOST_CHECK_EQUAL(out.str(), expected);
}
{
// Check forward/backward behaviour
std::ostringstream out;
typename boost::range_iterator<range_type>::type it = boost::begin(range);
it++;
it--;
out << " " << bg::get<0>(*it) << bg::get<1>(*it);
typename boost::range_iterator<range_type>::type it2 = boost::end(range);
it2--;
out << " " << bg::get<0>(*it2) << bg::get<1>(*it2);
BOOST_CHECK_EQUAL(out.str(), expected);
}
{
// Check random access behaviour
int const n = boost::size(range);
BOOST_CHECK_EQUAL(n, 2);
}
// Check Boost.Range concept
BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<range_type>) );
}
template <typename P>
void test_all()
{
test_geometry<bg::model::segment<P> >("linestring(1 1,2 2)", " 11 22");
test_geometry<bg::model::segment<P> >("linestring(4 4,3 3)", " 44 33");
}
int test_main(int, char* [])
{
std::vector<int> a;
a.push_back(1);
boost::range_iterator<std::vector<int> const>::type it = a.end();
--it;
std::cout << *it << std::endl;
test_all<bg::model::d2::point_xy<double> >();
return 0;
}
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