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metaparse/test/reject.cpp
2015-06-01 23:14:37 +02:00

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1.2 KiB
C++

// Copyright Abel Sinkovics (abel@sinkovics.hu) 2014.
// Distributed under 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/metaparse/reject.hpp>
#include <boost/metaparse/start.hpp>
#include <boost/metaparse/get_message.hpp>
#include <boost/metaparse/get_position.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits.hpp>
#include <boost/test/unit_test.hpp>
namespace
{
template <class T>
struct returns
{
typedef T type;
};
}
BOOST_AUTO_TEST_CASE(test_reject)
{
using boost::metaparse::reject;
using boost::metaparse::start;
using boost::metaparse::get_message;
using boost::metaparse::get_position;
using boost::is_same;
// test_reject_is_metaprogramming_value
BOOST_MPL_ASSERT((is_same<reject<int, start>, reject<int, start>::type>));
// test_reject_is_lazy
BOOST_MPL_ASSERT((
is_same<reject<int, start>, reject<returns<int>, returns<start> >::type>
));
// test_get_message_of_reject
BOOST_MPL_ASSERT((is_same<int, get_message<reject<int, start> >::type>));
// test_get_position_of_reject
BOOST_MPL_ASSERT((is_same<start, get_position<reject<int, start> >::type>));
}