mirror of
https://github.com/boostorg/geometry.git
synced 2025-05-10 07:34:03 +00:00
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
// Unit Test
|
|
|
|
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
|
|
// Use, modification and distribution is subject to the Boost Software License,
|
|
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#ifndef BOOST_GEOMETRY_TEST_LENGTH_HPP
|
|
#define BOOST_GEOMETRY_TEST_LENGTH_HPP
|
|
|
|
#include <geometry_test_common.hpp>
|
|
|
|
#include <boost/geometry/algorithms/length.hpp>
|
|
#include <boost/geometry/io/wkt/read.hpp>
|
|
#include <boost/geometry/strategies/strategies.hpp>
|
|
#include <boost/typeof/typeof.hpp>
|
|
#include <boost/variant/variant.hpp>
|
|
|
|
|
|
template <typename Geometry>
|
|
void test_length(Geometry const& geometry, long double expected_length)
|
|
{
|
|
BOOST_AUTO(length, bg::length(geometry));
|
|
|
|
#ifdef GEOMETRY_TEST_DEBUG
|
|
std::ostringstream out;
|
|
out << typeid(typename bg::coordinate_type<Geometry>::type).name()
|
|
<< std::endl
|
|
<< typeid(typename bg::default_length_result<Geometry>::type).name()
|
|
<< std::endl
|
|
<< "length : " << bg::length(geometry)
|
|
<< std::endl;
|
|
std::cout << out.str();
|
|
#endif
|
|
|
|
BOOST_CHECK_CLOSE(length, expected_length, 0.0001);
|
|
}
|
|
|
|
|
|
template <typename Geometry>
|
|
void test_geometry(std::string const& wkt, double expected_length)
|
|
{
|
|
Geometry geometry;
|
|
bg::read_wkt(wkt, geometry);
|
|
test_length(geometry, expected_length);
|
|
test_length(boost::variant<Geometry>(geometry), expected_length);
|
|
}
|
|
|
|
template <typename Geometry>
|
|
void test_empty_input(Geometry const& geometry)
|
|
{
|
|
try
|
|
{
|
|
bg::length(geometry);
|
|
}
|
|
catch(bg::empty_input_exception const& )
|
|
{
|
|
return;
|
|
}
|
|
BOOST_CHECK_MESSAGE(false, "A empty_input_exception should have been thrown" );
|
|
}
|
|
|
|
#endif
|