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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2014, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
#define BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
#include <iostream>
#include <string>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_integral.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/geometry/geometries/point.hpp>
#include <boost/geometry/geometries/point_xy.hpp>
#include <boost/geometry/geometries/segment.hpp>
#include <boost/geometry/geometries/linestring.hpp>
#include <boost/geometry/geometries/polygon.hpp>
#include <boost/geometry/geometries/ring.hpp>
#include <boost/geometry/geometries/box.hpp>
#include <boost/geometry/multi/geometries/multi_point.hpp>
#include <boost/geometry/multi/geometries/multi_linestring.hpp>
#include <boost/geometry/multi/geometries/multi_polygon.hpp>
#include <boost/geometry/io/wkt/write.hpp>
#include <boost/geometry/multi/io/wkt/write.hpp>
#include <boost/geometry/io/dsv/write.hpp>
#include <boost/geometry/multi/io/dsv/write.hpp>
#include <boost/geometry/algorithms/num_interior_rings.hpp>
#include <boost/geometry/algorithms/distance.hpp>
#include <boost/geometry/algorithms/comparable_distance.hpp>
#include <from_wkt.hpp>
#include <string_from_type.hpp>
#include "distance_brute_force.hpp"
namespace bg = ::boost::geometry;
static const double earth_radius_km = 6371.0;
static const double earth_radius_miles = 3959.0;
//========================================================================
template <typename T>
struct check_equal
{
template <typename Value, typename = void>
struct equal_to
{
static inline void apply(Value const& x, Value const& y)
{
BOOST_CHECK(x == y);
}
};
template <typename Dummy>
struct equal_to<double, Dummy>
{
static inline void apply(double x, double y)
{
BOOST_CHECK_CLOSE(x, y, 0.001);
}
};
template <typename Geometry1, typename Geometry2>
static inline void apply(std::string const& /*case_id*/,
std::string const& /*subcase_id*/,
Geometry1 const& /*geometry1*/,
Geometry2 const& /*geometry2*/,
T const& detected,
T const& expected)
{
equal_to<T>::apply(expected, detected);
/*
TODO:
Ideally we would want the following, but it does not work well
approximate equality test.
BOOST_CHECK_MESSAGE(equal_to<T>::apply(expected, detected),
"case ID: " << case_id << "-" << subcase_id << "; "
<< "G1: " << bg::wkt(geometry1)
<< " - "
<< "G2: " << bg::wkt(geometry2)
<< " -> Detected: " << detected
<< "; Expected: " << expected);
*/
}
};
//========================================================================
template
<
typename Geometry1, typename Geometry2,
int id1 = bg::geometry_id<Geometry1>::value,
int id2 = bg::geometry_id<Geometry2>::value
>
struct test_distance_of_geometries
: public test_distance_of_geometries<Geometry1, Geometry2, 0, 0>
{};
template <typename Geometry1, typename Geometry2>
struct test_distance_of_geometries<Geometry1, Geometry2, 0, 0>
{
template
<
typename DistanceType,
typename ComparableDistanceType,
typename Strategy
>
static inline
void apply(std::string const& case_id,
std::string const& wkt1,
std::string const& wkt2,
DistanceType const& expected_distance,
ComparableDistanceType const& expected_comparable_distance,
Strategy const& strategy,
bool test_reversed = true)
{
Geometry1 geometry1 = from_wkt<Geometry1>(wkt1);
Geometry2 geometry2 = from_wkt<Geometry2>(wkt2);
apply(case_id, geometry1, geometry2,
expected_distance, expected_comparable_distance,
strategy, test_reversed);
}
template <typename DistanceType, typename Strategy>
static inline
void apply(std::string const& case_id,
std::string const& wkt1,
std::string const& wkt2,
DistanceType const& expected_distance,
Strategy const& strategy,
bool test_reversed = true)
{
Geometry1 geometry1 = from_wkt<Geometry1>(wkt1);
Geometry2 geometry2 = from_wkt<Geometry2>(wkt2);
apply(case_id, geometry1, geometry2,
expected_distance, expected_distance,
strategy, test_reversed);
}
template
<
typename DistanceType,
typename ComparableDistanceType,
typename Strategy
>
static inline
void apply(std::string const& case_id,
Geometry1 const& geometry1,
Geometry2 const& geometry2,
DistanceType const& expected_distance,
ComparableDistanceType const& expected_comparable_distance,
Strategy const& strategy,
bool test_reversed = true)
{
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << "case ID: " << case_id << "; "
<< "G1: " << bg::wkt(geometry1)
<< " - "
<< "G2: " << bg::wkt(geometry2)
<< std::endl;
#endif
namespace services = bg::strategy::distance::services;
using bg::unit_test::distance_brute_force;
typedef typename bg::default_distance_result
<
Geometry1, Geometry2
>::type default_distance_result;
typedef typename services::return_type
<
Strategy, Geometry1, Geometry2
>::type distance_result_from_strategy;
static const bool same_regular = boost::is_same
<
default_distance_result,
distance_result_from_strategy
>::type::value;
BOOST_CHECK(same_regular);
typedef typename bg::default_comparable_distance_result
<
Geometry1, Geometry2
>::type default_comparable_distance_result;
typedef typename services::return_type
<
typename services::comparable_type<Strategy>::type,
Geometry1,
Geometry2
>::type comparable_distance_result_from_strategy;
static const bool same_comparable = boost::is_same
<
default_comparable_distance_result,
comparable_distance_result_from_strategy
>::type::value;
BOOST_CHECK( same_comparable );
// check distance with passed strategy
distance_result_from_strategy dist =
bg::distance(geometry1, geometry2, strategy);
check_equal
<
distance_result_from_strategy
>::apply(case_id, "a", geometry1, geometry2,
dist, expected_distance);
// check against the comparable distance computed in a
// brute-force manner
default_distance_result dist_brute_force
= distance_brute_force(geometry1, geometry2, strategy);
check_equal
<
default_distance_result
>::apply(case_id, "b", geometry1, geometry2,
dist_brute_force, expected_distance);
// check comparable distance with passed strategy
comparable_distance_result_from_strategy cdist =
bg::comparable_distance(geometry1, geometry2, strategy);
check_equal
<
default_comparable_distance_result
>::apply(case_id, "c", geometry1, geometry2,
cdist, expected_comparable_distance);
// check against the comparable distance computed in a
// brute-force manner
default_comparable_distance_result cdist_brute_force
= distance_brute_force(geometry1,
geometry2,
services::get_comparable
<
Strategy
>::apply(strategy));
check_equal
<
default_comparable_distance_result
>::apply(case_id, "d", geometry1, geometry2,
cdist_brute_force, expected_comparable_distance);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << string_from_type<typename bg::coordinate_type<Geometry1>::type>::name()
<< string_from_type<typename bg::coordinate_type<Geometry2>::type>::name()
<< " -> "
<< string_from_type<default_distance_result>::name()
<< string_from_type<default_comparable_distance_result>::name()
<< std::endl;
std::cout << "strategy radius: " << strategy.radius() << std::endl;
std::cout << "expected distance = "
<< expected_distance << " ; "
<< "expected comp. distance = "
<< expected_comparable_distance
<< std::endl;
std::cout << "distance = "
<< dist << " ; "
<< "comp. distance = "
<< cdist
<< std::endl;
if ( !test_reversed )
{
std::cout << std::endl;
}
#endif
if ( test_reversed )
{
// check distance with given strategy
dist = bg::distance(geometry2, geometry1, strategy);
check_equal
<
default_distance_result
>::apply(case_id, "ra", geometry2, geometry1,
dist, expected_distance);
// check comparable distance with given strategy
cdist = bg::comparable_distance(geometry2, geometry1, strategy);
check_equal
<
default_comparable_distance_result
>::apply(case_id, "rc", geometry2, geometry1,
cdist, expected_comparable_distance);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
std::cout << "distance[reversed args] = "
<< dist << " ; "
<< "comp. distance[reversed args] = "
<< cdist
<< std::endl;
std::cout << std::endl;
#endif
}
}
};
//========================================================================
template <typename Geometry1, typename Geometry2, typename Strategy>
void test_empty_input(Geometry1 const& geometry1,
Geometry2 const& geometry2,
Strategy const& strategy)
{
try
{
bg::distance(geometry1, geometry2);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false,
"A empty_input_exception should have been thrown");
try
{
bg::distance(geometry2, geometry1);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false,
"A empty_input_exception should have been thrown");
try
{
bg::distance(geometry1, geometry2, strategy);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false,
"A empty_input_exception should have been thrown");
try
{
bg::distance(geometry2, geometry1, strategy);
}
catch(bg::empty_input_exception const& )
{
return;
}
BOOST_CHECK_MESSAGE(false,
"A empty_input_exception should have been thrown");
}
#endif // BOOST_GEOMETRY_TEST_DISTANCE_SE_COMMON_HPP
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