82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2010.
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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/middle_of.hpp>
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#include <boost/metaparse/is_error.hpp>
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#include <boost/metaparse/start.hpp>
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#include <boost/metaparse/get_result.hpp>
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#include <boost/metaparse/get_message.hpp>
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#include <boost/metaparse/error/unpaired.hpp>
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#include <boost/metaparse/error/literal_expected.hpp>
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#include "common.hpp"
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#include <boost/mpl/equal_to.hpp>
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#include <boost/mpl/apply_wrap.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include "test_case.hpp"
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BOOST_METAPARSE_TEST_CASE(middle_of)
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{
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using boost::metaparse::get_result;
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using boost::metaparse::middle_of;
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using boost::metaparse::start;
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using boost::metaparse::is_error;
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using boost::metaparse::get_message;
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using boost::metaparse::error::unpaired;
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using boost::metaparse::error::literal_expected;
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using boost::is_same;
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using boost::mpl::equal_to;
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using boost::mpl::apply_wrap2;
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// test_three_chars
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BOOST_MPL_ASSERT((
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equal_to<
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get_result<
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apply_wrap2<middle_of<lit_h, lit_e, lit_l>, str_hello, start>
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>::type,
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char_e
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>
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));
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// test_first_fails
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BOOST_MPL_ASSERT((
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is_error<apply_wrap2<middle_of<lit_x, lit_e, lit_l>, str_hello, start> >
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));
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// test_second_fails
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BOOST_MPL_ASSERT((
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is_error<apply_wrap2<middle_of<lit_h, lit_x, lit_l>, str_hello, start> >
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));
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// test_third_fails
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BOOST_MPL_ASSERT((
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is_error<apply_wrap2<middle_of<lit_h, lit_e, lit_x>, str_hello, start> >
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));
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// test_error_message_when_third_fails
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BOOST_MPL_ASSERT((
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is_same<
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unpaired<1, 1, literal_expected<'x'> >,
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get_message<
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apply_wrap2<middle_of<lit_h, lit_e, lit_x>, str_hello, start>
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>::type
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>
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));
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// test_empty_input
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BOOST_MPL_ASSERT((
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is_error<apply_wrap2<middle_of<lit_h, lit_e, lit_l>, str_, start> >
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));
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}
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