| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| // Unit Test |
| |
| // Copyright (c) 2010 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/closeable_view.hpp> |
| #include <boost/geometry/views/reversible_view.hpp> |
| |
| #include <boost/geometry/domains/gis/io/wkt/read_wkt.hpp> |
| #include <boost/geometry/util/write_dsv.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 <typename View> |
| void test_option(View const& view, std::string const& expected) |
| { |
| |
| bool first = true; |
| std::ostringstream out; |
| |
| typedef typename boost::range_iterator<View const>::type iterator; |
| |
| iterator end = boost::end(view); |
| for (iterator it = boost::begin(view); it != end; ++it, first = false) |
| { |
| out << (first ? "" : " ") << bg::dsv(*it); |
| } |
| BOOST_CHECK_EQUAL(out.str(), expected); |
| } |
| |
| template <bg::closure_selector Closure, bg::iterate_direction Direction, typename Range> |
| void test_close_reverse(Range const& range, std::string const& expected) |
| { |
| typedef typename bg::reversible_view<Range const, Direction>::type rview; |
| typedef typename bg::closeable_view<rview const, Closure>::type cview; |
| |
| rview view1(range); |
| cview view2(view1); |
| |
| test_option(view2, expected); |
| } |
| |
| |
| template <bg::iterate_direction Direction, bg::closure_selector Closure, typename Range> |
| void test_reverse_close(Range const& range, std::string const& expected) |
| { |
| typedef typename bg::closeable_view<Range const, Closure>::type cview; |
| typedef typename bg::reversible_view<cview const, Direction>::type rview; |
| |
| cview view1(range); |
| rview view2(view1); |
| test_option(view2, expected); |
| } |
| |
| |
| template |
| < |
| bg::iterate_direction Direction1, |
| bg::iterate_direction Direction2, |
| typename Range |
| > |
| void test_reverse_reverse(Range const& range, std::string const& expected) |
| { |
| typedef typename bg::reversible_view<Range const, Direction1>::type rview1; |
| typedef typename bg::reversible_view<rview1 const, Direction2>::type rview2; |
| |
| rview1 view1(range); |
| rview2 view2(view1); |
| test_option(view2, expected); |
| } |
| |
| template |
| < |
| bg::closure_selector Closure1, |
| bg::closure_selector Closure2, |
| typename Range |
| > |
| void test_close_close(Range const& range, std::string const& expected) |
| { |
| typedef typename bg::closeable_view<Range const, Closure1>::type cview1; |
| typedef typename bg::closeable_view<cview1 const, Closure2>::type cview2; |
| |
| cview1 view1(range); |
| cview2 view2(view1); |
| test_option(view2, expected); |
| } |
| |
| |
| template <typename Geometry> |
| void test_geometry(std::string const& wkt, |
| std::string const& expected_n, |
| std::string const& expected_r, |
| std::string const& closing, |
| std::string const& rclosing |
| ) |
| { |
| std::string expected; |
| Geometry geo; |
| bg::read_wkt(wkt, geo); |
| |
| test_close_reverse<bg::closed, bg::iterate_forward>(geo, expected_n); |
| test_close_reverse<bg::open, bg::iterate_forward>(geo, expected_n + closing); |
| test_close_reverse<bg::closed, bg::iterate_reverse>(geo, expected_r); |
| |
| // 13-12-2010, this case was problematic in MSVC |
| // SOLVED: caused by IMPLICIT constructor! It is now explicit and should be kept like that. |
| test_close_reverse<bg::open, bg::iterate_reverse>(geo, expected_r + rclosing); |
| |
| test_reverse_close<bg::iterate_forward, bg::closed>(geo, expected_n); |
| test_reverse_close<bg::iterate_forward, bg::open>(geo, expected_n + closing); |
| test_reverse_close<bg::iterate_reverse, bg::closed>(geo, expected_r); |
| |
| // first closed, then reversed: |
| expected = boost::trim_copy(closing + " " + expected_r); |
| test_reverse_close<bg::iterate_reverse, bg::open>(geo, expected); |
| |
| test_reverse_reverse<bg::iterate_forward, bg::iterate_forward>(geo, expected_n); |
| test_reverse_reverse<bg::iterate_reverse, bg::iterate_reverse>(geo, expected_n); |
| test_reverse_reverse<bg::iterate_forward, bg::iterate_reverse>(geo, expected_r); |
| test_reverse_reverse<bg::iterate_reverse, bg::iterate_forward>(geo, expected_r); |
| |
| test_close_close<bg::closed, bg::closed>(geo, expected_n); |
| test_close_close<bg::open, bg::closed>(geo, expected_n + closing); |
| test_close_close<bg::closed, bg::open>(geo, expected_n + closing); |
| test_close_close<bg::open, bg::open>(geo, expected_n + closing + closing); |
| } |
| |
| |
| template <typename P> |
| void test_all() |
| { |
| test_geometry<bg::model::ring<P> >( |
| "POLYGON((1 1,1 4,4 4,4 1))", |
| "(1, 1) (1, 4) (4, 4) (4, 1)", |
| "(4, 1) (4, 4) (1, 4) (1, 1)", |
| " (1, 1)", // closing |
| " (4, 1)" // rclosing |
| ); |
| } |
| |
| |
| 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; |
| } |