/Src/Dependencies/Boost/libs/geometry/test/geometries/boost_range.cpp
http://hadesmem.googlecode.com/ · C++ · 116 lines · 80 code · 27 blank · 9 comment · 2 complexity · dd1b0d92c6bd1b9426c6e0b22a0cd2e7 MD5 · raw file
- // 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 <geometry_test_common.hpp>
- #include <boost/geometry/geometry.hpp>
- #include <boost/geometry/geometries/geometries.hpp>
- #include <boost/geometry/geometries/point_xy.hpp>
- #include <boost/geometry/geometries/adapted/boost_range/adjacent_filtered.hpp>
- #include <boost/geometry/geometries/adapted/boost_range/filtered.hpp>
- #include <boost/geometry/geometries/adapted/boost_range/reversed.hpp>
- #include <boost/geometry/geometries/adapted/boost_range/strided.hpp>
- #include <boost/geometry/geometries/adapted/boost_range/sliced.hpp>
- #include <boost/geometry/geometries/adapted/boost_range/uniqued.hpp>
- #include <boost/geometry/domains/gis/io/wkt/wkt.hpp>
- #include <sstream>
- struct not_two
- {
- template <typename P>
- bool operator()(P const& p) const
- {
- return boost::geometry::get<0>(p) != 2.0;
- }
- };
- struct sum_not_five
- {
- template <typename P>
- bool operator()(P const& p1, P const& p2) const
- {
- return boost::geometry::get<0>(p1) + boost::geometry::get<0>(p2) != 5.0;
- }
- };
- template <typename P>
- void test_range_adaptor()
- {
- bg::model::linestring<P> ls;
- bg::read_wkt("LINESTRING(1 1,2 2,3 3,4 4)", ls);
- {
- std::ostringstream out;
- out << bg::wkt(ls);
- BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,2 2,3 3,4 4)");
- }
- {
- std::ostringstream out;
- out << bg::wkt(ls | boost::adaptors::reversed);
- BOOST_CHECK_EQUAL(out.str(), "LINESTRING(4 4,3 3,2 2,1 1)");
- }
- {
- std::ostringstream out;
- out << bg::wkt(ls | boost::adaptors::strided(2));
- BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,3 3)");
- }
- {
- std::ostringstream out;
- out << bg::wkt(ls | boost::adaptors::sliced(1,3));
- BOOST_CHECK_EQUAL(out.str(), "LINESTRING(2 2,3 3)");
- }
- {
- std::ostringstream out;
- out << bg::wkt(ls | boost::adaptors::filtered(not_two()));
- BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,3 3,4 4)");
- }
- {
- std::ostringstream out;
- out << bg::wkt(ls | boost::adaptors::adjacent_filtered(sum_not_five()));
- BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,3 3,4 4)");
- }
- {
- bg::model::linestring<P> ls2;
- bg::read_wkt("LINESTRING(1 1,1 1,2 2,3 3,3 3,4 4)", ls2);
- std::ostringstream out;
- // uniqued needs == operator, equals
- //out << bg::wkt(ls | boost::adaptors::uniqued);
- //BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,2 2,3 3,4 4)");
- }
- }
- template <typename P>
- void test_all()
- {
- test_range_adaptor<P>();
- }
- int test_main(int, char* [])
- {
- test_all<bg::model::d2::point_xy<double> >();
- test_all<bg::model::point<int, 2, bg::cs::cartesian> >();
- return 0;
- }