68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2012.
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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/foldr_start_with_parser.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/is_error.hpp>
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#include <boost/metaparse/get_result.hpp>
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#include <boost/metaparse/fail.hpp>
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#include "common.hpp"
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#include <boost/mpl/apply_wrap.hpp>
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#include <boost/mpl/char.hpp>
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#include <boost/mpl/assert.hpp>
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#include "test_case.hpp"
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namespace
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{
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struct keep_state
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{
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typedef keep_state type;
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template <class S, class C>
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struct apply : S {};
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};
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}
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BOOST_METAPARSE_TEST_CASE(foldr_start_with_parser)
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{
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using boost::metaparse::foldr_start_with_parser;
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using boost::metaparse::start;
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using boost::metaparse::is_error;
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using boost::metaparse::lit_c;
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using boost::metaparse::get_result;
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using boost::mpl::equal_to;
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using boost::mpl::apply_wrap2;
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using boost::mpl::char_;
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typedef foldr_start_with_parser<lit_c<'a'>, lit_c<'b'>, keep_state> p;
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// test_b
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BOOST_MPL_ASSERT((
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equal_to<get_result<apply_wrap2<p, str_b, start> >::type, char_<'b'> >
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));
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// test_ab
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BOOST_MPL_ASSERT((
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equal_to<get_result<apply_wrap2<p, str_ab, start> >::type, char_<'b'> >
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));
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// test_aaaab
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BOOST_MPL_ASSERT((
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equal_to<get_result<apply_wrap2<p, str_aaaab, start> >::type, char_<'b'> >
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));
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// test_c
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BOOST_MPL_ASSERT((is_error<apply_wrap2<p, str_c, start> >));
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// test_ac
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BOOST_MPL_ASSERT((is_error<apply_wrap2<p, str_ac, start> >));
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}
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