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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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)
#include <boost/test/included/test_exec_monitor.hpp>
#include <boost/geometry/util/compress_variant.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/equal.hpp>
#include <boost/mpl/vector.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/variant/variant.hpp>
template <typename ExpectedTypes, BOOST_VARIANT_ENUM_PARAMS(typename T)>
void check_variant_types(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>)
{
BOOST_MPL_ASSERT((
boost::mpl::equal<
typename boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>::types,
ExpectedTypes
>
));
}
template <typename Variant, typename ExpectedTypes>
void test_variant_result()
{
check_variant_types<ExpectedTypes>(typename boost::geometry::compress_variant<Variant>::type());
}
template <typename Variant, typename ExpectedType>
void test_single_type_result()
{
BOOST_MPL_ASSERT((
boost::is_same<
typename boost::geometry::compress_variant<Variant>::type,
ExpectedType
>
));
}
int test_main(int, char* [])
{
test_variant_result<
boost::variant<int, float, double>,
boost::mpl::vector<int, float, double>
>();
test_variant_result<
boost::variant<int, float, double, int, int, float, double, double, float>,
boost::mpl::vector<int, double, float>
>();
test_single_type_result<
boost::variant<int>,
int
>();
test_single_type_result<
boost::variant<double, double, double, double, double>,
double
>();
return 0;
}
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