diff options
Diffstat (limited to 'src/boost/libs/geometry/test/views/box_view.cpp')
-rw-r--r-- | src/boost/libs/geometry/test/views/box_view.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/boost/libs/geometry/test/views/box_view.cpp b/src/boost/libs/geometry/test/views/box_view.cpp new file mode 100644 index 00000000..ef511fef --- /dev/null +++ b/src/boost/libs/geometry/test/views/box_view.cpp @@ -0,0 +1,81 @@ +// Boost.Geometry (aka GGL, Generic Geometry Library) +// Unit Test + +// Copyright (c) 2010-2012 Barend Gehrels, 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/geometries/geometries.hpp> +#include <boost/geometry/geometries/point_xy.hpp> +#include <boost/geometry/views/box_view.hpp> +#include <boost/geometry/io/wkt/read.hpp> + + + +template <typename Box, bool Reverse> +void test_geometry(std::string const& wkt, std::string const& expected, + bg::order_selector expected_order) +{ + + Box box; + bg::read_wkt(wkt, box); + + typedef bg::box_view<Box, Reverse> view_type; + view_type range(box); + + { + std::ostringstream out; + for (typename boost::range_iterator<view_type>::type it = boost::begin(range); + it != boost::end(range); ++it) + { + out << " " << bg::get<0>(*it) << bg::get<1>(*it); + } + BOOST_CHECK_EQUAL(out.str(), expected); + } + + { + // Check forward/backward behaviour + typename boost::range_iterator<view_type>::type it = boost::begin(range); + it++; + it--; + // Not verified further, same as segment + } + + { + // Check random access behaviour + int const n = boost::size(range); + BOOST_CHECK_EQUAL(n, 5); + } + + // Check Boost.Range concept + BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<view_type>) ); + + // Check order + bg::order_selector order = bg::point_order<view_type>::value; + BOOST_CHECK_EQUAL(order, expected_order); +} + + +template <typename P> +void test_all() +{ + test_geometry<bg::model::box<P>, true> ("polygon((1 1,2 2))", " 11 12 22 21 11", bg::clockwise); + test_geometry<bg::model::box<P>, false>("polygon((1 1,2 2))", " 11 21 22 12 11", bg::counterclockwise); + test_geometry<bg::model::box<P>, true> ("polygon((3 3,5 5))", " 33 35 55 53 33", bg::clockwise); +} + + +int test_main(int, char* []) +{ + test_all<bg::model::d2::point_xy<double> >(); + return 0; +} |