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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/views/reversible_view.hpp>
#include <boost/geometry/io/wkt/wkt.hpp>
#include <boost/geometry/io/dsv/write.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/adapted/boost_tuple.hpp>
BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
template <bg::iterate_direction Direction, typename Range>
void test_forward_or_reverse(Range const& range, std::string const& expected)
{
typedef typename bg::reversible_view
<
Range const,
Direction
>::type view_type;
view_type view(range);
bool first = true;
std::ostringstream out;
for (typename boost::range_iterator<view_type const>::type
it = boost::begin(view);
it != boost::end(view);
++it, first = false)
{
out << (first ? "" : " ") << bg::dsv(*it);
}
BOOST_CHECK_EQUAL(out.str(), expected);
}
template <typename Geometry>
void test_geometry(std::string const& wkt,
std::string const& expected_forward, std::string const& expected_reverse)
{
Geometry geo;
bg::read_wkt(wkt, geo);
test_forward_or_reverse<bg::iterate_forward>(geo, expected_forward);
test_forward_or_reverse<bg::iterate_reverse>(geo, expected_reverse);
}
template <typename P>
void test_all()
{
test_geometry<bg::model::linestring<P> >(
"linestring(1 1,2 2,3 3)",
"(1, 1) (2, 2) (3, 3)",
"(3, 3) (2, 2) (1, 1)");
}
int test_main(int, char* [])
{
test_all<bg::model::d2::point_xy<double> >();
test_all<bg::model::point<int, 2, bg::cs::cartesian> >();
test_all<boost::tuple<double, double> >();
return 0;
}
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