1// Boost.Geometry (aka GGL, Generic Geometry Library)
2// Unit Test
3
4// Copyright (c) 2007-2019 Barend Gehrels, Amsterdam, the Netherlands.
5// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
6// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
7
8// This file was modified by Oracle on 2016.
9// Modifications copyright (c) 2016, Oracle and/or its affiliates.
10// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
11
12// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
13// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
14
15// Use, modification and distribution is subject to the Boost Software License,
16// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
17// http://www.boost.org/LICENSE_1_0.txt)
18
19
20#include <boost/variant/variant.hpp>
21
22#include "geometry_test_common.hpp"
23
24#include <boost/geometry/algorithms/buffer.hpp>
25#include <boost/geometry/algorithms/equals.hpp>
26#include <boost/geometry/core/coordinate_type.hpp>
27
28#include <boost/geometry/strategies/strategies.hpp>
29
30#include <boost/geometry/geometries/point.hpp>
31#include <boost/geometry/geometries/box.hpp>
32#include "test_common/test_point.hpp"
33
34
35template <typename P>
36void test_all()
37{
38 typedef typename bg::coordinate_type<P>::type coordinate_type;
39
40 P p1(0, 0);
41 P p2(2, 2);
42
43 typedef bg::model::box<P> box_type;
44
45 box_type b1(p1, p2);
46 box_type b2;
47 bg::buffer(b1, b2, coordinate_type(2));
48
49 box_type expected(P(-2, -2), P(4, 4));
50 BOOST_CHECK(bg::equals(b2, expected));
51
52 boost::variant<box_type> v(b1);
53 bg::buffer(v, b2, coordinate_type(2));
54
55 BOOST_CHECK(bg::equals(b2, expected));
56}
57
58int test_main(int, char* [])
59{
60 BoostGeometryWriteTestConfiguration();
61
62 test_all<bg::model::point<default_test_type, 2, bg::cs::cartesian> >();
63
64#if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
65 test_all<bg::model::point<int, 2, bg::cs::cartesian> >();
66 test_all<bg::model::point<float, 2, bg::cs::cartesian> >();
67#endif
68
69 return 0;
70}
71

source code of boost/libs/geometry/test/algorithms/buffer/buffer.cpp