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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/closeable_view.hpp>
- #include <boost/geometry/io/wkt/read.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)
- // The closeable view should also work on normal std:: containers
- void test_non_geometry()
- {
- typedef bg::closeable_view
- <
- std::vector<int> const, bg::open
- >::type view_type;
- std::vector<int> v;
- v.push_back(1);
- v.push_back(2);
- v.push_back(3);
- view_type view(v);
- typedef boost::range_iterator<view_type const>::type iterator;
- iterator it = boost::begin(view);
- iterator end = boost::end(view);
- std::ostringstream out;
- for ( ; it != end; ++it)
- {
- out << *it;
- }
- BOOST_CHECK_EQUAL(out.str(), "1231");
- // Check operators =, ++, --, +=, -=
- it = boost::begin(view);
- BOOST_CHECK_EQUAL(*it, 1);
- it += 2;
- BOOST_CHECK_EQUAL(*it, 3);
- it -= 2;
- BOOST_CHECK_EQUAL(*it, 1);
- it++;
- BOOST_CHECK_EQUAL(*it, 2);
- it--;
- BOOST_CHECK_EQUAL(*it, 1);
- // Also check them in the last regions
- it = boost::begin(view) + 3;
- BOOST_CHECK_EQUAL(*it, 1);
- it--;
- BOOST_CHECK_EQUAL(*it, 3);
- it++;
- BOOST_CHECK_EQUAL(*it, 1);
- it -= 2;
- BOOST_CHECK_EQUAL(*it, 2);
- it += 2;
- BOOST_CHECK_EQUAL(*it, 1);
- BOOST_CHECK_EQUAL(boost::size(view), 4u);
- }
- template <bg::closure_selector Closure, typename Range>
- void test_optionally_closing(Range const& range, std::string const& expected)
- {
- typedef typename bg::closeable_view<Range const, Closure>::type view_type;
- typedef typename boost::range_iterator<view_type const>::type iterator;
- view_type view(range);
- bool first = true;
- std::ostringstream out;
- 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 <typename Geometry>
- void test_geometry(std::string const& wkt,
- std::string const& expected_false,
- std::string const& expected_true)
- {
- Geometry geo;
- bg::read_wkt(wkt, geo);
- test_optionally_closing<bg::closed>(geo, expected_false);
- test_optionally_closing<bg::open>(geo, expected_true);
- }
- 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)",
- "(1, 1) (1, 4) (4, 4) (4, 1) (1, 1)");
- }
- int test_main(int, char* [])
- {
- test_non_geometry();
- 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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