ceph/src/boost/libs/geometry/test/algorithms/test_length.hpp

   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>
  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>
  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>
  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>
  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>
  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