1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 // Unit Test
3
4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
5
6 // Copyright (c) 2016 Oracle and/or its affiliates.
7 // Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
8
9 // Use, modification and distribution is subject to the Boost Software License,
10 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
11 // http://www.boost.org/LICENSE_1_0.txt)
12
13 #ifndef BOOST_GEOMETRY_TEST_LENGTH_HPP
14 #define BOOST_GEOMETRY_TEST_LENGTH_HPP
15
16 #include <geometry_test_common.hpp>
17
18 #include <boost/geometry/algorithms/length.hpp>
19 #include <boost/geometry/io/wkt/wkt.hpp>
20 #include <boost/geometry/strategies/strategies.hpp>
21 #include <boost/variant/variant.hpp>
22
23 template <typename Geometry>
test_length(Geometry const & geometry,long double expected_length)24 void test_length(Geometry const& geometry, long double expected_length)
25 {
26 typename bg::default_length_result<Geometry>::type
27 length = bg::length(geometry);
28
29 #ifdef BOOST_GEOMETRY_TEST_DEBUG
30 std::ostringstream out;
31 out << typeid(typename bg::coordinate_type<Geometry>::type).name()
32 << std::endl
33 << typeid(typename bg::default_length_result<Geometry>::type).name()
34 << std::endl
35 << "length : " << bg::length(geometry)
36 << std::endl;
37 std::cout << out.str();
38 #endif
39
40 BOOST_CHECK_CLOSE(length, expected_length, 0.0001);
41 }
42
43 template <typename Geometry, typename Strategy>
test_length(Geometry const & geometry,long double expected_length,Strategy strategy)44 void test_length(Geometry const& geometry, long double expected_length, Strategy strategy)
45 {
46 typename bg::default_length_result<Geometry>::type
47 length = bg::length(geometry, strategy);
48
49 #ifdef BOOST_GEOMETRY_TEST_DEBUG
50 std::ostringstream out;
51 out << typeid(typename bg::coordinate_type<Geometry>::type).name()
52 << std::endl
53 << typeid(typename bg::default_length_result<Geometry>::type).name()
54 << std::endl
55 << "length : " << bg::length(geometry, strategy)
56 << std::endl;
57 std::cout << out.str();
58 #endif
59
60 BOOST_CHECK_CLOSE(length, expected_length, 0.0001);
61 }
62
63 template <typename Geometry>
test_geometry(std::string const & wkt,double expected_length)64 void test_geometry(std::string const& wkt, double expected_length)
65 {
66 Geometry geometry;
67 bg::read_wkt(wkt, geometry);
68 test_length(geometry, expected_length);
69 #if !defined(BOOST_GEOMETRY_TEST_DEBUG)
70 test_length(boost::variant<Geometry>(geometry), expected_length);
71 #endif
72 }
73
74 template <typename Geometry, typename Strategy>
test_geometry(std::string const & wkt,double expected_length,Strategy strategy)75 void test_geometry(std::string const& wkt, double expected_length, Strategy strategy)
76 {
77 Geometry geometry;
78 bg::read_wkt(wkt, geometry);
79 test_length(geometry, expected_length, strategy);
80 #if !defined(BOOST_GEOMETRY_TEST_DEBUG)
81 test_length(boost::variant<Geometry>(geometry), expected_length, strategy);
82 #endif
83 }
84
85 template <typename Geometry>
test_empty_input(Geometry const & geometry)86 void test_empty_input(Geometry const& geometry)
87 {
88 try
89 {
90 bg::length(geometry);
91 }
92 catch(bg::empty_input_exception const& )
93 {
94 return;
95 }
96 BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
97 }
98
99 #endif
100