124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2010-2012 Barend Gehrels, 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 <geometry_test_common.hpp>
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#include <boost/geometry/geometry.hpp>
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#include <boost/geometry/geometries/geometries.hpp>
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#include <boost/geometry/geometries/point_xy.hpp>
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#include <boost/geometry/geometries/adapted/boost_range/adjacent_filtered.hpp>
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#include <boost/geometry/geometries/adapted/boost_range/filtered.hpp>
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#include <boost/geometry/geometries/adapted/boost_range/reversed.hpp>
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#include <boost/geometry/geometries/adapted/boost_range/strided.hpp>
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#include <boost/geometry/geometries/adapted/boost_range/sliced.hpp>
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#include <boost/geometry/geometries/adapted/boost_range/uniqued.hpp>
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#include <boost/geometry/io/wkt/wkt.hpp>
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#include <sstream>
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#ifdef BOOST_GEOMETRY_TEST_QUARANTINED
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struct not_two
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{
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template <typename P>
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bool operator()(P const& p) const
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{
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return boost::geometry::get<0>(p) != 2.0;
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}
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};
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struct sum_not_five
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{
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template <typename P>
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bool operator()(P const& p1, P const& p2) const
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{
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return boost::geometry::get<0>(p1) + boost::geometry::get<0>(p2) != 5.0;
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}
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};
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#endif
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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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{
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std::ostringstream out;
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out << bg::wkt(ls);
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BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,2 2,3 3,4 4)");
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}
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{
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std::ostringstream out;
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out << bg::wkt(ls | boost::adaptors::reversed);
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BOOST_CHECK_EQUAL(out.str(), "LINESTRING(4 4,3 3,2 2,1 1)");
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}
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{
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std::ostringstream out;
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out << bg::wkt(ls | boost::adaptors::strided(2));
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BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,3 3)");
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}
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{
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std::ostringstream out;
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out << bg::wkt(ls | boost::adaptors::sliced(1,3));
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BOOST_CHECK_EQUAL(out.str(), "LINESTRING(2 2,3 3)");
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}
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#ifdef BOOST_GEOMETRY_TEST_QUARANTINED
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// range filter adaptor does not support boost::size()
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// This makes it in practice not applicable, boost::geometry calls boost::size
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// in most if not all algorithms
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{
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std::ostringstream out;
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out << bg::wkt(ls | boost::adaptors::filtered(not_two()));
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BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,3 3,4 4)");
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}
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{
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std::ostringstream out;
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out << bg::wkt(ls | boost::adaptors::adjacent_filtered(sum_not_five()));
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BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,3 3,4 4)");
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}
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{
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bg::model::linestring<P> ls2;
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bg::read_wkt("LINESTRING(1 1,1 1,2 2,3 3,3 3,4 4)", ls2);
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std::ostringstream out;
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// uniqued needs == operator, equals
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//out << bg::wkt(ls | boost::adaptors::uniqued);
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//BOOST_CHECK_EQUAL(out.str(), "LINESTRING(1 1,2 2,3 3,4 4)");
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}
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#endif
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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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}
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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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return 0;
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}
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