geometry/test/util/reversible_view.cpp
Barend Gehrels 1f90af482d Updated polygon.hpp, ring_type is now reference because it returns a reference to its rings
Updated many test files to avoid point_2d
Updated boost.polygon adaption

[SVN r67178]
2010-12-11 15:51:38 +00:00

78 lines
2.0 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library) test file
//
// Copyright Barend Gehrels 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 <algorithm>
#include <iterator>
#include <sstream>
#include <string>
#include <geometry_test_common.hpp>
#include <boost/geometry/util/reversible_view.hpp>
#include <boost/geometry/extensions/gis/io/wkt/read_wkt.hpp>
#include <boost/geometry/util/write_dsv.hpp>
#include <boost/geometry/geometries/geometries.hpp>
#include <boost/geometry/geometries/adapted/tuple_cartesian.hpp>
template <bg::iterate_direction Direction, typename Range>
void test_forward_or_reverse(Range const& range, std::string const& expected)
{
typedef bg::reversible_view
<
Range const,
Direction
> view_type;
view_type view(range);
bool first = true;
std::ostringstream out;
for (typename boost::range_iterator<view_type const>::type
it = boost::begin(view);
it != boost::end(view);
++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_forward, std::string const& expected_reverse)
{
Geometry geo;
bg::read_wkt(wkt, geo);
test_forward_or_reverse<bg::iterate_forward>(geo, expected_forward);
test_forward_or_reverse<bg::iterate_reverse>(geo, expected_reverse);
}
template <typename P>
void test_all()
{
test_geometry<bg::model::linestring<P> >(
"linestring(1 1,2 2,3 3)",
"(1, 1) (2, 2) (3, 3)",
"(3, 3) (2, 2) (1, 1)");
}
int test_main(int, char* [])
{
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;
}