82 lines
2.2 KiB
C++
82 lines
2.2 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 <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/box_view.hpp>
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#include <boost/geometry/io/wkt/read.hpp>
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template <typename Box, bool Reverse>
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void test_geometry(std::string const& wkt, std::string const& expected,
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bg::order_selector expected_order)
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{
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Box box;
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bg::read_wkt(wkt, box);
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typedef bg::box_view<Box, Reverse> view_type;
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view_type range(box);
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{
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std::ostringstream out;
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for (typename boost::range_iterator<view_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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typename boost::range_iterator<view_type>::type it = boost::begin(range);
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it++;
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it--;
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// Not verified further, same as segment
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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, 5);
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}
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// Check Boost.Range concept
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BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<view_type>) );
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// Check order
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bg::order_selector order = bg::point_order<view_type>::value;
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BOOST_CHECK_EQUAL(order, expected_order);
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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::box<P>, true> ("polygon((1 1,2 2))", " 11 12 22 21 11", bg::clockwise);
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test_geometry<bg::model::box<P>, false>("polygon((1 1,2 2))", " 11 21 22 12 11", bg::counterclockwise);
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test_geometry<bg::model::box<P>, true> ("polygon((3 3,5 5))", " 33 35 55 53 33", bg::clockwise);
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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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return 0;
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}
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