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133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library) test file
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//
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// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands
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// Copyright Bruno Lalande 2008, 2009
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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 <deque>
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#include <vector>
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#include <geometry_test_common.hpp>
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#include <boost/geometry/algorithms/append.hpp>
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#include <boost/geometry/algorithms/clear.hpp>
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#include <boost/geometry/algorithms/make.hpp>
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/geometries/concepts/linestring_concept.hpp>
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#include <boost/geometry/geometries/geometries.hpp>
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#include <boost/geometry/geometries/adapted/boost_array_as_linestring.hpp>
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#include <boost/geometry/geometries/adapted/std_as_linestring.hpp>
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#include <boost/geometry/geometries/adapted/c_array_cartesian.hpp>
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#include <boost/geometry/geometries/adapted/tuple_cartesian.hpp>
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#include <test_common/test_point.hpp>
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//#define TEST_FAIL_CLEAR
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//#define TEST_FAIL_APPEND
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// ----------------------------------------------------------------------------
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// First custom linestring, requires ONLY one traits: to register itself as a linestring
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template <typename P>
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struct custom_linestring1 : std::vector<P> {};
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namespace boost { namespace geometry { namespace traits {
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template <typename P>
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struct tag< custom_linestring1<P> > { typedef linestring_tag type; };
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}}} // namespace boost::geometry::traits
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// ----------------------------------------------------------------------------
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// Second custom linestring, decides to implement all edit operations itself
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// by specializing the "use_std" traits to false.
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// It should therefore implement the traits:: clear / append_point
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template <typename P>
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struct custom_linestring2 : std::deque<P> {};
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namespace boost { namespace geometry { namespace traits {
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template <typename P>
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struct tag< custom_linestring2<P> > { typedef linestring_tag type; };
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template <typename P>
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struct use_std< custom_linestring2<P> >
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{
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static const bool value = false;
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};
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#if ! defined(TEST_FAIL_CLEAR)
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template <typename P>
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struct clear< custom_linestring2<P> >
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{
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static inline void apply(custom_linestring2<P>& ls) { ls.resize(0); }
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};
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#endif
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#if ! defined(TEST_FAIL_APPEND)
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template <typename P>
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struct append_point< custom_linestring2<P>, P>
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{
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static inline void apply(custom_linestring2<P>& geometry,
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const P& point, int ring_index, int multi_index)
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{
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// does not use push-back but something else.
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geometry.insert(geometry.end(), point);
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}
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};
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#endif
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}}} // namespace boost::geometry::traits
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// ----------------------------------------------------------------------------
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template <typename G>
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void test_linestring()
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{
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BOOST_CONCEPT_ASSERT( (boost::geometry::concept::Linestring<G>) );
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BOOST_CONCEPT_ASSERT( (boost::geometry::concept::ConstLinestring<G>) );
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G geometry;
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typedef typename boost::geometry::point_type<G>::type P;
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boost::geometry::clear(geometry);
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BOOST_CHECK_EQUAL(boost::size(geometry), 0);
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boost::geometry::append(geometry, boost::geometry::make_zero<P>());
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BOOST_CHECK_EQUAL(boost::size(geometry), 1);
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//std::cout << geometry << std::endl;
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boost::geometry::clear(geometry);
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BOOST_CHECK_EQUAL(boost::size(geometry), 0);
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//P p = boost::range::front(geometry);
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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_linestring<boost::geometry::linestring<P> >();
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test_linestring<boost::geometry::linestring<P, std::vector> >();
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test_linestring<boost::geometry::linestring<P, std::deque> >();
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test_linestring<custom_linestring1<P> >();
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test_linestring<custom_linestring2<P> >();
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test_linestring<std::vector<P> >();
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test_linestring<std::deque<P> >();
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//test_linestring<std::list<P> >();
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}
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int test_main(int, char* [])
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{
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test_all<test::test_point>();
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test_all<boost::tuple<float, float> >();
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test_all<boost::geometry::point<int, 2, boost::geometry::cs::cartesian> >();
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test_all<boost::geometry::point<float, 2, boost::geometry::cs::cartesian> >();
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test_all<boost::geometry::point<double, 2, boost::geometry::cs::cartesian> >();
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return 0;
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}
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