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106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
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//
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// Copyright Barend Gehrels 2010, Geodan, Amsterdam, the Netherlands
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <algorithm>
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#include <iterator>
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#include <sstream>
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#include <string>
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#include <geometry_test_common.hpp>
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#include <boost/geometry/util/reversible_view.hpp>
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#include <boost/geometry/extensions/gis/io/wkt/wkt.hpp>
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#include <boost/geometry/util/write_dsv.hpp>
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#include <boost/geometry/geometries/geometries.hpp>
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#include <boost/geometry/geometries/adapted/tuple_cartesian.hpp>
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namespace boost { namespace geometry
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{
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namespace traits
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{
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template<typename Geometry>
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struct tag<boost::range_detail::reverse_range<Geometry> >
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{
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typedef typename geometry::tag<Geometry>::type type;
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};
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}
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}}
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template <bg::iterate_direction Direction, typename Range>
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void test_forward_or_reverse(Range const& range, std::string const& expected)
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{
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typedef typename bg::reversible_view
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<
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Range const,
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Direction
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>::type view_type;
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view_type view(range);
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bool first = true;
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std::ostringstream out;
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for (typename boost::range_iterator<view_type const>::type
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it = boost::begin(view);
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it != boost::end(view);
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++it, first = false)
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{
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out << (first ? "" : " ") << bg::dsv(*it);
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}
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BOOST_CHECK_EQUAL(out.str(), expected);
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}
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template <typename Geometry>
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void test_geometry(std::string const& wkt,
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std::string const& expected_forward, std::string const& expected_reverse)
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{
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Geometry geo;
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bg::read_wkt(wkt, geo);
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test_forward_or_reverse<bg::iterate_forward>(geo, expected_forward);
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test_forward_or_reverse<bg::iterate_reverse>(geo, expected_reverse);
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}
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template <typename P>
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void test_range_adaptor()
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{
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bg::model::linestring<P> ls;
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bg::read_wkt("linestring(1 1,2 2,3 3, 4 4)", ls);
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std::cout << bg::wkt(ls) << std::endl;
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std::cout << bg::wkt(ls | boost::adaptors::reversed) << std::endl;
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std::cout << bg::wkt(boost::range_detail::reverse_range<bg::model::linestring<P> >(ls)) << std::endl;
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}
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template <typename P>
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void test_all()
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{
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//test_range_adaptor<P>();
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test_geometry<bg::model::linestring<P> >(
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"linestring(1 1,2 2,3 3)",
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"(1, 1) (2, 2) (3, 3)",
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"(3, 3) (2, 2) (1, 1)");
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}
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int test_main(int, char* [])
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{
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test_all<bg::model::d2::point_xy<double> >();
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test_all<bg::model::point<int, 2, bg::cs::cartesian> >();
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test_all<boost::tuple<double, double> >();
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return 0;
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}
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