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3rdparty/boost_1_81_0/libs/metaparse/test/range.cpp 1.21 KB
73ef4ff3   Hu Chunming   提交三方库
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  // Copyright Abel Sinkovics (abel@sinkovics.hu) 2014.
  // 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/range.hpp>
  #include <boost/metaparse/is_error.hpp>
  #include <boost/metaparse/start.hpp>
  #include <boost/metaparse/get_result.hpp>
  
  #include "common.hpp"
  
  #include <boost/mpl/equal_to.hpp>
  #include <boost/mpl/apply_wrap.hpp>
  #include <boost/mpl/assert.hpp>
  #include <boost/mpl/char.hpp>
  
  #include "test_case.hpp"
  
  BOOST_METAPARSE_TEST_CASE(range)
  {
    using boost::metaparse::is_error;
    using boost::metaparse::range;
    using boost::metaparse::start;
    using boost::metaparse::get_result;
    
    using boost::mpl::apply_wrap2;
    using boost::mpl::equal_to;
    using boost::mpl::char_;
  
    typedef range<char_<'0'>, char_<'9'> > digit_range;
  
    // test_with_text
    BOOST_MPL_ASSERT((is_error<apply_wrap2<digit_range, str_hello, start> >));
    
    // test_with_number
    BOOST_MPL_ASSERT((
      equal_to<
        get_result<apply_wrap2<digit_range, str_1983, start> >::type,
        char_1
      >
    ));
    
    // test_with_empty_string
    BOOST_MPL_ASSERT((is_error<apply_wrap2<digit_range, str_, start> >));
  }