mirror of https://gitee.com/bigwinds/arangodb
81 lines
2.2 KiB
C++
Executable File
81 lines
2.2 KiB
C++
Executable File
// Copyright David Abrahams 2006. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include "basics.hpp"
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#include <boost/mpl/list.hpp>
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#include <boost/mpl/for_each.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/size.hpp>
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#include <boost/type_traits/add_pointer.hpp>
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# include <boost/mpl/contains.hpp>
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namespace test
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{
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namespace mpl = boost::mpl;
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template <class Set>
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struct assert_in_set
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{
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template <class T>
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void operator()(T*)
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{
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BOOST_MPL_ASSERT((mpl::contains<Set,T>));
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}
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};
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template<class Expected, class Params>
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void f_impl(Params const& p BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Expected))
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{
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BOOST_MPL_ASSERT_RELATION(
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mpl::size<Expected>::value
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, ==
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, mpl::size<Params>::value
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);
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mpl::for_each<Params, boost::add_pointer<mpl::_1> >(assert_in_set<Expected>());
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}
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template<class Expected, class Tester, class Name, class Value, class Index>
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void f(Tester const& t, const Name& name_,
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const Value& value_, const Index& index_ BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Expected))
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{
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f_impl<Expected>(f_parameters()(t, name_, value_, index_));
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}
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template<class Expected, class Tester, class Name, class Value>
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void f(Tester const& t, const Name& name_, const Value& value_ BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Expected))
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{
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f_impl<Expected>(f_parameters()(t, name_, value_));
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}
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template<class Expected, class Tester, class Name>
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void f(Tester const& t, const Name& name_ BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(Expected))
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{
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f_impl<Expected>(f_parameters()(t, name_));
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}
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void run()
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{
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typedef test::tag::tester tester_;
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typedef test::tag::name name_;
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typedef test::tag::value value_;
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typedef test::tag::index index_;
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f<mpl::list4<tester_,name_,value_,index_> >(1, 2, 3, 4);
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f<mpl::list3<tester_,name_,index_> >(1, 2, index = 3);
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f<mpl::list3<tester_,name_,index_> >(1, index = 2, name = 3);
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f<mpl::list2<name_,value_> >(name = 3, value = 4);
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f_impl<mpl::list1<value_> >(value = 4);
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}
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}
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int main()
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{
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test::run();
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return 0;
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}
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