1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 // Unit Test
3
4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
5 // Use, modification and distribution is subject to the Boost Software License,
6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8
9 #ifndef BOOST_GEOMETRY_TEST_PERIMETER_HPP
10 #define BOOST_GEOMETRY_TEST_PERIMETER_HPP
11
12
13 #include <boost/variant/variant.hpp>
14
15 #include <geometry_test_common.hpp>
16
17 #include <boost/geometry/algorithms/perimeter.hpp>
18 #include <boost/geometry/strategies/strategies.hpp>
19 #include <boost/geometry/io/wkt/read.hpp>
20
21
22 template <typename Geometry>
test_perimeter(Geometry const & geometry,long double expected_perimeter)23 void test_perimeter(Geometry const& geometry, long double expected_perimeter)
24 {
25 typename bg::default_length_result<Geometry>::type
26 perimeter = bg::perimeter(geometry);
27
28 #ifdef BOOST_GEOMETRY_TEST_DEBUG
29 std::ostringstream out;
30 out << typeid(typename bg::coordinate_type<Geometry>::type).name()
31 << std::endl
32 //<< typeid(typename bg::default_perimeter_result<Geometry>::type).name()
33 << std::endl
34 << "perimeter : " << bg::perimeter(geometry)
35 << std::endl;
36 std::cout << out.str();
37 #endif
38
39 BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
40 }
41
42
43 template <typename Geometry, typename Strategy>
test_perimeter(Geometry const & geometry,long double expected_perimeter,Strategy strategy)44 void test_perimeter(Geometry const& geometry, long double expected_perimeter, Strategy strategy)
45 {
46 typename bg::default_length_result<Geometry>::type
47 perimeter = bg::perimeter(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_perimeter_result<Geometry>::type).name()
54 << std::endl
55 << "perimeter : " << bg::perimeter(geometry, strategy)
56 << std::endl;
57 std::cout << out.str();
58 #endif
59
60 BOOST_CHECK_CLOSE(perimeter, expected_perimeter, 0.0001);
61 }
62
63 template <typename Geometry>
test_geometry(std::string const & wkt,double expected_perimeter)64 void test_geometry(std::string const& wkt, double expected_perimeter)
65 {
66 Geometry geometry;
67 bg::read_wkt(wkt, geometry);
68 boost::variant<Geometry> v(geometry);
69
70 test_perimeter(geometry, expected_perimeter);
71 #if !defined(BOOST_GEOMETRY_TEST_DEBUG)
72 test_perimeter(v, expected_perimeter);
73 #endif
74 }
75
76 template <typename Geometry, typename Strategy>
test_geometry(std::string const & wkt,double expected_perimeter,Strategy strategy)77 void test_geometry(std::string const& wkt, double expected_perimeter, Strategy strategy)
78 {
79 Geometry geometry;
80 bg::read_wkt(wkt, geometry);
81 boost::variant<Geometry> v(geometry);
82
83 test_perimeter(geometry, expected_perimeter, strategy);
84 #if !defined(BOOST_GEOMETRY_TEST_DEBUG)
85 test_perimeter(v, expected_perimeter, strategy);
86 #endif
87 }
88
89 template <typename Geometry>
test_empty_input(Geometry const & geometry)90 void test_empty_input(Geometry const& geometry)
91 {
92 try
93 {
94 bg::perimeter(geometry);
95 }
96 catch(bg::empty_input_exception const& )
97 {
98 return;
99 }
100 BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
101 }
102
103 #endif
104