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- // Copyright Abel Sinkovics (abel@sinkovics.hu) 2011.
- // 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/unless_error.hpp>
- #include <boost/metaparse/is_error.hpp>
- #include <boost/metaparse/fail.hpp>
- #include "common.hpp"
- #include <boost/mpl/equal_to.hpp>
- #include <boost/mpl/apply_wrap.hpp>
- #include <boost/mpl/assert.hpp>
- #include "test_case.hpp"
- namespace
- {
- using boost::mpl::apply_wrap2;
- using boost::metaparse::fail;
- typedef apply_wrap2<fail<int1>, int11, int2> err;
- }
- BOOST_METAPARSE_TEST_CASE(util_unless_error)
- {
- using boost::metaparse::is_error;
- using boost::metaparse::unless_error;
-
- using boost::mpl::equal_to;
- // test_error
- BOOST_MPL_ASSERT((is_error<unless_error<err, int13> >));
- // test_not_error
- BOOST_MPL_ASSERT((equal_to<int13, unless_error<int11, int13>::type>));
- }
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