87 lines
2.3 KiB
C++
87 lines
2.3 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 <algorithm>
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#include <iterator>
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#include <sstream>
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#include <string>
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#include <geometry_test_common.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/views/segment_view.hpp>
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#include <boost/geometry/io/wkt/read.hpp>
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template <typename Segment>
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void test_geometry(std::string const& wkt, std::string const& expected)
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{
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Segment segment;
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bg::read_wkt(wkt, segment);
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typedef bg::segment_view<Segment> range_type;
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range_type range(segment);
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{
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std::ostringstream out;
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for (typename boost::range_iterator<range_type>::type it = boost::begin(range);
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it != boost::end(range); ++it)
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{
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out << " " << bg::get<0>(*it) << bg::get<1>(*it);
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}
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BOOST_CHECK_EQUAL(out.str(), expected);
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}
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{
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// Check forward/backward behaviour
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std::ostringstream out;
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typename boost::range_iterator<range_type>::type it = boost::begin(range);
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it++;
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it--;
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out << " " << bg::get<0>(*it) << bg::get<1>(*it);
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typename boost::range_iterator<range_type>::type it2 = boost::end(range);
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it2--;
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out << " " << bg::get<0>(*it2) << bg::get<1>(*it2);
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BOOST_CHECK_EQUAL(out.str(), expected);
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}
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{
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// Check random access behaviour
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int const n = boost::size(range);
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BOOST_CHECK_EQUAL(n, 2);
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}
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// Check Boost.Range concept
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BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<range_type>) );
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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_geometry<bg::model::segment<P> >("linestring(1 1,2 2)", " 11 22");
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test_geometry<bg::model::segment<P> >("linestring(4 4,3 3)", " 44 33");
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}
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int test_main(int, char* [])
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{
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std::vector<int> a;
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a.push_back(1);
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boost::range_iterator<std::vector<int> const>::type it = a.end();
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--it;
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std::cout << *it << std::endl;
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test_all<bg::model::d2::point_xy<double> >();
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return 0;
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}
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