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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
- // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
- // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
- // (geolib/GGL), copyright (c) 1995-2010 Geodan, 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/iterators/closing_iterator.hpp>
- #include <boost/geometry/core/coordinate_type.hpp>
- #include <boost/geometry/io/wkt/read.hpp>
- #include <boost/geometry/geometries/geometries.hpp>
- #include <boost/geometry/geometries/point_xy.hpp>
- #include <boost/range/adaptor/transformed.hpp>
- // The closing iterator should also work on normal std:: containers
- void test_empty_non_geometry()
- {
- std::vector<int> v;
- typedef bg::closing_iterator
- <
- std::vector<int> const
- > closing_iterator;
- closing_iterator it(v);
- closing_iterator end(v, true);
- std::ostringstream out;
- for (; it != end; ++it)
- {
- out << *it;
- }
- BOOST_CHECK_EQUAL(out.str(), "");
- }
- void test_non_geometry()
- {
- std::vector<int> v;
- v.push_back(1);
- v.push_back(2);
- v.push_back(3);
- typedef bg::closing_iterator
- <
- std::vector<int> const
- > closing_iterator;
- closing_iterator it(v);
- closing_iterator end(v, true);
- std::ostringstream out;
- for (; it != end; ++it)
- {
- out << *it;
- }
- BOOST_CHECK_EQUAL(out.str(), "1231");
- }
- void test_transformed_non_geometry()
- {
- std::vector<int> v;
- v.push_back(-1);
- v.push_back(-2);
- v.push_back(-3);
- typedef boost::transformed_range
- <
- std::negate<int>,
- std::vector<int>
- > transformed_range;
- typedef bg::closing_iterator
- <
- transformed_range const
- > closing_iterator;
- transformed_range v2 = v | boost::adaptors::transformed(std::negate<int>());
- closing_iterator it(v2);
- closing_iterator end(v2, true);
- std::ostringstream out;
- for (; it != end; ++it)
- {
- out << *it;
- }
- BOOST_CHECK_EQUAL(out.str(), "1231");
- }
- template <typename Geometry>
- void test_geometry(std::string const& wkt)
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- typedef bg::closing_iterator<Geometry const> closing_iterator;
- // 1. Test normal behaviour
- {
- closing_iterator it(geometry);
- closing_iterator end(geometry, true);
- std::ostringstream out;
- for (; it != end; ++it)
- {
- out << " " << bg::get<0>(*it) << bg::get<1>(*it);
- }
- BOOST_CHECK_EQUAL(out.str(), " 11 14 44 41 11");
- // Check compilations, it is (since Oct 2010) random access
- it--;
- --it;
- it += 2;
- it -= 2;
- }
- // 2: check copy behaviour
- {
- typedef typename boost::range_iterator<Geometry const>::type normal_iterator;
- Geometry copy;
- std::copy<closing_iterator>(
- closing_iterator(geometry),
- closing_iterator(geometry, true),
- std::back_inserter(copy));
- std::ostringstream out;
- for (normal_iterator cit = boost::begin(copy); cit != boost::end(copy); ++cit)
- {
- out << " " << bg::get<0>(*cit) << bg::get<1>(*cit);
- }
- BOOST_CHECK_EQUAL(out.str(), " 11 14 44 41 11");
- }
- }
- template <typename P>
- void test_all()
- {
- test_empty_non_geometry();
- test_non_geometry();
- test_transformed_non_geometry();
- test_geometry<bg::model::ring<P> >("POLYGON((1 1,1 4,4 4,4 1))");
- }
- int test_main(int, char* [])
- {
- test_all<bg::model::d2::point_xy<double> >();
- return 0;
- }
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