geometry/test/geometries/custom_linestring.cpp
2016-07-27 16:18:00 +02:00

129 lines
4.1 KiB
C++

// 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 <deque>
#include <vector>
#include <geometry_test_common.hpp>
#include <boost/geometry/algorithms/append.hpp>
#include <boost/geometry/algorithms/clear.hpp>
#include <boost/geometry/algorithms/make.hpp>
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/geometries/concepts/linestring_concept.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/register/linestring.hpp>
#include <boost/geometry/geometries/adapted/c_array.hpp>
#include <boost/geometry/geometries/adapted/boost_tuple.hpp>
#include <test_common/test_point.hpp>
BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
BOOST_GEOMETRY_REGISTER_LINESTRING_TEMPLATED(std::vector)
BOOST_GEOMETRY_REGISTER_LINESTRING_TEMPLATED(std::deque)
//#define TEST_FAIL_CLEAR
//#define TEST_FAIL_APPEND
// ----------------------------------------------------------------------------
// First custom linestring, requires ONLY one traits: to register itself as a linestring
template <typename P>
struct custom_linestring1 : std::vector<P> {};
namespace boost { namespace geometry { namespace traits {
template <typename P>
struct tag< custom_linestring1<P> > { typedef linestring_tag type; };
}}} // namespace bg::traits
// ----------------------------------------------------------------------------
// Second custom linestring, decides to implement all edit operations itself
// by specializing the "use_std" traits to false.
// It should therefore implement the traits:: clear / append_point
template <typename P>
struct custom_linestring2 : std::deque<P> // std::pair<typename std::vector<P>::const_iterator, typename std::vector<P>::const_iterator>
{
};
namespace boost { namespace geometry { namespace traits {
template <typename P>
struct tag< custom_linestring2<P> > { typedef linestring_tag type; };
#if ! defined(TEST_FAIL_CLEAR)
template <typename P>
struct clear< custom_linestring2<P> >
{
// does not use std::vector<P>.clear() but something else.
static inline void apply(custom_linestring2<P>& ls) { ls.resize(0); }
};
#endif
}}} // namespace bg::traits
// ----------------------------------------------------------------------------
template <typename G>
void test_linestring()
{
BOOST_CONCEPT_ASSERT( (bg::concepts::Linestring<G>) );
BOOST_CONCEPT_ASSERT( (bg::concepts::ConstLinestring<G>) );
G geometry;
typedef typename bg::point_type<G>::type P;
bg::clear(geometry);
BOOST_CHECK_EQUAL(boost::size(geometry), 0u);
bg::append(geometry, bg::make_zero<P>());
BOOST_CHECK_EQUAL(boost::size(geometry), 1u);
//std::cout << geometry << std::endl;
bg::clear(geometry);
BOOST_CHECK_EQUAL(boost::size(geometry), 0u);
//P p = boost::range::front(geometry);
}
template <typename P>
void test_all()
{
test_linestring<bg::model::linestring<P> >();
test_linestring<bg::model::linestring<P, std::vector> >();
test_linestring<bg::model::linestring<P, std::deque> >();
test_linestring<custom_linestring1<P> >();
test_linestring<custom_linestring2<P> >();
test_linestring<std::vector<P> >();
test_linestring<std::deque<P> >();
//test_linestring<std::list<P> >();
}
int test_main(int, char* [])
{
test_all<test::test_point>();
test_all<boost::tuple<float, float> >();
test_all<bg::model::point<int, 2, bg::cs::cartesian> >();
test_all<bg::model::point<float, 2, bg::cs::cartesian> >();
test_all<bg::model::point<double, 2, bg::cs::cartesian> >();
return 0;
}