72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2014.
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// Distributed under the Boost Software License, Version 1.0.
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// (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/metaparse/accept.hpp>
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#include <boost/metaparse/start.hpp>
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#include <boost/metaparse/string.hpp>
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#include <boost/metaparse/get_result.hpp>
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#include <boost/metaparse/get_position.hpp>
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#include <boost/metaparse/get_remaining.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/type_traits.hpp>
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#include "test_case.hpp"
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namespace
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{
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template <class T>
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struct returns
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{
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typedef T type;
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};
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template <class T>
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struct gets_foo
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{
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typedef typename T::foo type;
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};
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}
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BOOST_METAPARSE_TEST_CASE(accept)
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{
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using boost::metaparse::accept;
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using boost::metaparse::start;
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using boost::metaparse::string;
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using boost::metaparse::get_result;
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using boost::metaparse::get_position;
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using boost::metaparse::get_remaining;
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using boost::is_same;
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typedef string<'H','e','l','l','o'> s;
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// test_accept_is_metaprogramming_value
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BOOST_MPL_ASSERT((
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is_same<accept<int, s, start>, accept<int, s, start>::type>
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));
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// test_accept_is_not_lazy
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BOOST_MPL_ASSERT((
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is_same<
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accept<gets_foo<int>, s, start>,
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accept<gets_foo<int>, returns<s>, returns<start> >::type
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>
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));
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// test_get_result_of_accept
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BOOST_MPL_ASSERT((is_same<int, get_result<accept<int, s, start> >::type>));
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// test_get_remaining_of_accept
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BOOST_MPL_ASSERT((is_same<s, get_remaining<accept<int, s, start> >::type>));
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// test_get_position_of_accept
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BOOST_MPL_ASSERT((
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is_same<start, get_position<accept<int, s, start> >::type>
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));
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}
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