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3rdparty/boost_1_81_0/libs/metaparse/test/lit.cpp 1.87 KB
73ef4ff3   Hu Chunming   提交三方库
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  // Copyright Abel Sinkovics (abel@sinkovics.hu) 2010.
  // 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/is_error.hpp>
  #include <boost/metaparse/start.hpp>
  #include <boost/metaparse/get_result.hpp>
  #include <boost/metaparse/get_remaining.hpp>
  #include <boost/metaparse/get_position.hpp>
  #include <boost/metaparse/get_message.hpp>
  #include <boost/metaparse/error/literal_expected.hpp>
  
  #include "common.hpp"
  
  #include <boost/mpl/equal_to.hpp>
  #include <boost/mpl/apply_wrap.hpp>
  #include <boost/mpl/assert.hpp>
  
  #include <boost/type_traits/is_same.hpp>
  
  #include "test_case.hpp"
  
  BOOST_METAPARSE_TEST_CASE(lit)
  {
    using boost::metaparse::get_result;
    using boost::metaparse::start;
    using boost::metaparse::is_error;
    using boost::metaparse::get_remaining;
    using boost::metaparse::get_position;
    using boost::metaparse::get_message;
  
    using boost::metaparse::error::literal_expected;
    
    using boost::mpl::equal_to;
    using boost::mpl::apply_wrap2;
  
    using boost::is_same;
  
    // test_accept
    BOOST_MPL_ASSERT((
      equal_to<get_result<apply_wrap2<lit_h, str_hello, start> >::type, char_h>
    ));
  
    // test_reject
    BOOST_MPL_ASSERT((is_error<apply_wrap2<lit_h, str_bello, start> >));
  
    // test_with_empty_string
    BOOST_MPL_ASSERT((is_error<apply_wrap2<lit_h, str_, start> >));
  
    // test_error_with_empty_string
    BOOST_MPL_ASSERT((
      is_same<
        literal_expected<'h'>,
        get_message<apply_wrap2<lit_h, str_, start> >::type
      >
    ));
  
    // test_remaining_string
    BOOST_MPL_ASSERT((
      equal_to<
        get_result<
          apply_wrap2<
            lit_e,
            get_remaining<apply_wrap2<lit_h, str_hello, start> >::type,
            get_position<apply_wrap2<lit_h, str_hello, start> >::type
          >
        >::type,
        char_e
      >
    ));
  }