| // 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/transform_variant.hpp> |
| #include <boost/mpl/assert.hpp> |
| #include <boost/mpl/equal.hpp> |
| #include <boost/mpl/placeholders.hpp> |
| #include <boost/mpl/vector.hpp> |
| #include <boost/type_traits.hpp> |
| #include <boost/variant/variant.hpp> |
| |
| using boost::mpl::placeholders::_; |
| |
| |
| template <typename ExpectedTypes, BOOST_VARIANT_ENUM_PARAMS(typename T)> |
| void check(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>) |
| { |
| BOOST_MPL_ASSERT(( |
| boost::mpl::equal< |
| typename boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>::types, |
| ExpectedTypes |
| > |
| )); |
| } |
| |
| |
| int test_main(int, char* []) |
| { |
| // Transform Variant to Variant |
| typedef boost::geometry::transform_variant< |
| boost::variant<int, float, long>, |
| boost::add_pointer<_> |
| >::type transformed1; |
| |
| check<boost::mpl::vector<int*, float*, long*> >(transformed1()); |
| |
| // Transform Sequence to Variant (without inserter) |
| typedef boost::geometry::transform_variant< |
| boost::mpl::vector<int, float, long>, |
| boost::add_pointer<_> |
| >::type transformed2; |
| |
| check<boost::mpl::vector<int*, float*, long*> >(transformed2()); |
| |
| // Transform Sequence to Variant (with inserter) |
| typedef boost::geometry::transform_variant< |
| boost::mpl::vector<int, float, long>, |
| boost::add_pointer<_>, |
| boost::mpl::back_inserter<boost::mpl::vector0<> > |
| >::type transformed3; |
| |
| check<boost::mpl::vector<int*, float*, long*> >(transformed3()); |
| |
| return 0; |
| } |