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3rdparty/boost_1_81_0/libs/metaparse/test/iterate.cpp 1.71 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/iterate.hpp>
  #include <boost/metaparse/is_error.hpp>
  #include <boost/metaparse/start.hpp>
  #include <boost/metaparse/get_result.hpp>
  #include <boost/metaparse/one_char.hpp>
  
  #include "common.hpp"
  
  #include <boost/mpl/equal_to.hpp>
  #include <boost/mpl/apply_wrap.hpp>
  #include <boost/mpl/equal.hpp>
  #include <boost/mpl/vector_c.hpp>
  #include <boost/mpl/assert.hpp>
  
  #include "test_case.hpp"
  
  BOOST_METAPARSE_TEST_CASE(iterate)
  {
    using boost::metaparse::is_error;
    using boost::metaparse::iterate;
    using boost::metaparse::one_char;
    using boost::metaparse::start;
    using boost::metaparse::get_result;
    
    using boost::mpl::apply_wrap2;
    using boost::mpl::equal;
    using boost::mpl::list;
    using boost::mpl::vector_c;
  
    // test_empty_input
    BOOST_MPL_ASSERT((
      is_error<apply_wrap2<iterate<one_char, int13>, str_, start> >
    ));
  
    // test0
    BOOST_MPL_ASSERT((
      equal<
        get_result<apply_wrap2<iterate<one_char, int0>, str_hello, start> >::type,
        list<>
      >
    ));
  
    // test1
    BOOST_MPL_ASSERT((
      equal<
        get_result<apply_wrap2<iterate<one_char, int1>, str_hello, start> >::type,
        vector_c<char, 'h'>
      >
    ));
  
    // test2
    BOOST_MPL_ASSERT((
      equal<
        get_result<apply_wrap2<iterate<one_char, int2>, str_hello, start> >::type,
        vector_c<char, 'h', 'e'>
      >
    ));
  
    // test3
    BOOST_MPL_ASSERT((
      equal<
        get_result<apply_wrap2<iterate<one_char, int3>, str_hello, start> >::type,
        vector_c<char, 'h', 'e', 'l'>
      >
    ));
  }