09a8ba53a7
Remove dependency to is_implemented. Update transform_variant to support MPL sequence input.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/test/included/test_exec_monitor.hpp>
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#include <boost/geometry/util/transform_variant.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/equal.hpp>
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#include <boost/mpl/placeholders.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/type_traits.hpp>
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#include <boost/variant/variant.hpp>
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using boost::mpl::placeholders::_;
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template <typename ExpectedTypes, BOOST_VARIANT_ENUM_PARAMS(typename T)>
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void check(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>)
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{
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BOOST_MPL_ASSERT((
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boost::mpl::equal<
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typename boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>::types,
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ExpectedTypes
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>
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));
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}
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int test_main(int, char* [])
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{
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// Transform Variant to Variant
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typedef boost::geometry::transform_variant<
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boost::variant<int, float, long>,
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boost::add_pointer<_>
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>::type transformed1;
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check<boost::mpl::vector<int*, float*, long*> >(transformed1());
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// Transform Sequence to Variant (without inserter)
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typedef boost::geometry::transform_variant<
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boost::mpl::vector<int, float, long>,
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boost::add_pointer<_>
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>::type transformed2;
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check<boost::mpl::vector<int*, float*, long*> >(transformed2());
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// Transform Sequence to Variant (with inserter)
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typedef boost::geometry::transform_variant<
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boost::mpl::vector<int, float, long>,
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boost::add_pointer<_>,
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boost::mpl::back_inserter<boost::mpl::vector0<> >
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>::type transformed3;
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check<boost::mpl::vector<int*, float*, long*> >(transformed3());
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return 0;
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}
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