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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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