test_icu.cpp

C++的一个好库。。。现在很流行

                  compare_result(what, what8c, static_cast<boost::mpl::int_<1> const*>(0));
               }
               else if(answer_table[0] >= 0)
               {
                  // we should have had a match but didn't:
                  BOOST_REGEX_TEST_ERROR("Expected match was not found.", UChar32);
               }
            }
         }
      }
      //
      // finally try a grep:
      //
      test_icu_grep(r, search_text);
   }
   catch(const boost::bad_expression& e)
   {
      BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done: " << e.what(), UChar32);
   }
   catch(const std::runtime_error& r)
   {
      BOOST_REGEX_TEST_ERROR("Received an unexpected std::runtime_error: " << r.what(), UChar32);
   }
   catch(const std::exception& r)
   {
      BOOST_REGEX_TEST_ERROR("Received an unexpected std::exception: " << r.what(), UChar32);
   }
   catch(...)
   {
      BOOST_REGEX_TEST_ERROR("Received an unexpected exception of unknown type", UChar32);
   }
}

void test_icu(const wchar_t&, const test_invalid_regex_tag&)
{
   typedef boost::u16_to_u32_iterator<std::wstring::const_iterator, ::UChar32> conv_iterator;
   std::vector< ::UChar32> expression;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
   expression.assign(test_info<wchar_t>::expression().begin(), test_info<wchar_t>::expression().end());
#else
   std::copy(test_info<wchar_t>::expression().begin(), test_info<wchar_t>::expression().end(), std::back_inserter(expression));
#endif
   boost::regex_constants::syntax_option_type syntax_options = test_info<wchar_t>::syntax_options();
   boost::u32regex r;
   if(*test_locale::c_str())
   {
      U_NAMESPACE_QUALIFIER Locale l(test_locale::c_str());
      if(l.isBogus())
         return;
      r.imbue(l);
   }
   //
   // try it with exceptions disabled first:
   //
   try
   {
#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
      if(0 == r.assign(expression.begin(), expression.end(), syntax_options | boost::regex_constants::no_except).status())
#else
      if(expression.size())
         r.assign(&*expression.begin(), expression.size(), syntax_options | boost::regex_constants::no_except);
      else
         r.assign(static_cast<UChar32 const*>(0), static_cast<boost::u32regex::size_type>(0), syntax_options | boost::regex_constants::no_except);
      if(0 == r.status())
#endif
      {
         BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", wchar_t);
      }
   }
   catch(...)
   {
      BOOST_REGEX_TEST_ERROR("Unexpected exception thrown.", wchar_t);
   }
   //
   // now try again with exceptions:
   //
   bool have_catch = false;
   try{
#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
      r.assign(expression.begin(), expression.end(), syntax_options);
#else
      if(expression.size())
         r.assign(&*expression.begin(), expression.size(), syntax_options);
      else
         r.assign(static_cast<UChar32 const*>(0), static_cast<boost::u32regex::size_type>(0), syntax_options);
#endif
#ifdef BOOST_NO_EXCEPTIONS
      if(r.status())
         have_catch = true;
#endif
   }
   catch(const boost::bad_expression&)
   {
      have_catch = true;
   }
   catch(const std::runtime_error& r)
   {
      have_catch = true;
      BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but a std::runtime_error instead: " << r.what(), wchar_t);
   }
   catch(const std::exception& r)
   {
      have_catch = true;
      BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but a std::exception instead: " << r.what(), wchar_t);
   }
   catch(...)
   {
      have_catch = true;
      BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but got an exception of unknown type instead", wchar_t);
   }
   if(!have_catch)
   {
      // oops expected exception was not thrown:
      BOOST_REGEX_TEST_ERROR("Expected an exception, but didn't find one.", wchar_t);
   }

   if(0 == *test_locale::c_str())
   {
      //
      // Now try UTF-16 construction:
      //
      typedef boost::u32_to_u16_iterator<std::vector<UChar32>::const_iterator> u16_conv;
      std::vector<UChar> expression16;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
      expression16.assign(u16_conv(expression.begin()), u16_conv(expression.end()));
#else
      std::copy(u16_conv(expression.begin()), u16_conv(expression.end()), std::back_inserter(expression16));
#endif
      if(0 == boost::make_u32regex(expression16.begin(), expression16.end(), syntax_options | boost::regex_constants::no_except).status())
      {
         BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", wchar_t);
      }
      if(std::find(expression16.begin(), expression16.end(), 0) == expression16.end())
      {
         expression16.push_back(0);
         if(0 == boost::make_u32regex(&*expression16.begin(), syntax_options | boost::regex_constants::no_except).status())
         {
            BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", wchar_t);
         }
      }
      //
      // Now try UTF-8 construction:
      //
      typedef boost::u32_to_u8_iterator<std::vector<UChar32>::const_iterator> u8_conv;
      std::vector<unsigned char> expression8;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
      expression8.assign(u8_conv(expression.begin()), u8_conv(expression.end()));
#else
      std::copy(u8_conv(expression.begin()), u8_conv(expression.end()), std::back_inserter(expression8));
#endif
      if(0 == boost::make_u32regex(expression8.begin(), expression8.end(), syntax_options | boost::regex_constants::no_except).status())
      {
         BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", wchar_t);
      }
      if(std::find(expression8.begin(), expression8.end(), 0) == expression8.end())
      {
         expression8.push_back(0);
         if(0 == boost::make_u32regex(&*expression8.begin(), syntax_options | boost::regex_constants::no_except).status())
         {
            BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", wchar_t);
         }
      }
   }
}

void test_icu(const wchar_t&, const test_regex_replace_tag&)
{
   std::vector< ::UChar32> expression;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
   expression.assign(test_info<wchar_t>::expression().begin(), test_info<wchar_t>::expression().end());
#else
   std::copy(test_info<wchar_t>::expression().begin(), test_info<wchar_t>::expression().end(), std::back_inserter(expression));
#endif
   boost::regex_constants::syntax_option_type syntax_options = test_info<UChar32>::syntax_options();
   boost::u32regex r;
   try{
#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
      r.assign(expression.begin(), expression.end(), syntax_options);
#else
      if(expression.size())
         r.assign(&*expression.begin(), expression.size(), syntax_options);
      else
         r.assign(static_cast<UChar32 const*>(0), static_cast<boost::u32regex::size_type>(0), syntax_options);
#endif
      if(r.status())
      {
         BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done, error code = " << r.status(), UChar32);
      }
      typedef std::vector<UChar32> string_type;
      string_type search_text;
      boost::regex_constants::match_flag_type opts = test_info<UChar32>::match_options();
      string_type format_string;
      string_type result_string;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
      search_text.assign(test_info<UChar32>::search_text().begin(), test_info<UChar32>::search_text().end());
      format_string.assign(test_info<UChar32>::format_string().begin(), test_info<UChar32>::format_string().end());
      format_string.push_back(0);
      result_string.assign(test_info<UChar32>::result_string().begin(), test_info<UChar32>::result_string().end());
#else
      std::copy(test_info<UChar32>::search_text().begin(), test_info<UChar32>::search_text().end(), std::back_inserter(search_text));
      std::copy(test_info<UChar32>::format_string().begin(), test_info<UChar32>::format_string().end(), std::back_inserter(format_string));
      format_string.push_back(0);
      std::copy(test_info<UChar32>::result_string().begin(), test_info<UChar32>::result_string().end(), std::back_inserter(result_string));
#endif
      string_type result;

      boost::u32regex_replace(unnecessary_fix::back_inserter(result), search_text.begin(), search_text.end(), r, &*format_string.begin(), opts);
      if(result != result_string)
      {
         BOOST_REGEX_TEST_ERROR("regex_replace generated an incorrect string result", UChar32);
      }
      //
      // Mixed mode character encoding:
      //
      if(0 == *test_locale::c_str())
      {
         //
         // Now try UTF-16 construction:
         //
         typedef boost::u32_to_u16_iterator<std::vector<UChar32>::const_iterator> u16_conv;
         std::vector<UChar> expression16, text16, format16, result16, found16;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
         expression16.assign(u16_conv(expression.begin()), u16_conv(expression.end()));
         text16.assign(u16_conv(search_text.begin()), u16_conv(search_text.end()));
         format16.assign(u16_conv(format_string.begin()), u16_conv(format_string.end()));
         result16.assign(u16_conv(result_string.begin()), u16_conv(result_string.end()));
#else
         std::copy(u16_conv(expression.begin()), u16_conv(expression.end()), std::back_inserter(expression16));
         std::copy(u16_conv(search_text.begin()), u16_conv(search_text.end()), std::back_inserter(text16));
         std::copy(u16_conv(format_string.begin()), u16_conv(format_string.end()), std::back_inserter(format16));
         std::copy(u16_conv(result_string.begin()), u16_conv(result_string.end()), std::back_inserter(result16));
#endif
         r = boost::make_u32regex(expression16.begin(), expression16.end(), syntax_options);
         boost::u32regex_replace(unnecessary_fix::back_inserter(found16), text16.begin(), text16.end(), r, &*format16.begin(), opts);
         if(result16 != found16)
         {
            BOOST_REGEX_TEST_ERROR("u32regex_replace with UTF-16 string returned incorrect result", UChar32);
         }
         //
         // Now with UnicodeString:
         //
         UnicodeString expression16u, text16u, format16u, result16u, found16u;
         if(expression16.size())
            expression16u.setTo(&*expression16.begin(), expression16.size());
         if(text16.size())
            text16u.setTo(&*text16.begin(), text16.size());
         format16u.setTo(&*format16.begin(), format16.size()-1);
         if(result16.size())
            result16u.setTo(&*result16.begin(), result16.size());
         r = boost::make_u32regex(expression16.begin(), expression16.end(), syntax_options);
         found16u = boost::u32regex_replace(text16u, r, format16u, opts);
         if(result16u != found16u)
         {
            BOOST_REGEX_TEST_ERROR("u32regex_replace with UTF-16 string returned incorrect result", UChar32);
         }

         //
         // Now try UTF-8 construction:
         //
         typedef boost::u32_to_u8_iterator<std::vector<UChar32>::const_iterator, unsigned char> u8_conv;
         std::vector<char> expression8, text8, format8, result8, found8;
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
         expression8.assign(u8_conv(expression.begin()), u8_conv(expression.end()));
         text8.assign(u8_conv(search_text.begin()), u8_conv(search_text.end()));
         format8.assign(u8_conv(format_string.begin()), u8_conv(format_string.end()));
         result8.assign(u8_conv(result_string.begin()), u8_conv(result_string.end()));
#else
         std::copy(u8_conv(expression.begin()), u8_conv(expression.end()), std::back_inserter(expression8));
         std::copy(u8_conv(search_text.begin()), u8_conv(search_text.end()), std::back_inserter(text8));
         std::copy(u8_conv(format_string.begin()), u8_conv(format_string.end()), std::back_inserter(format8));
         std::copy(u8_conv(result_string.begin()), u8_conv(result_string.end()), std::back_inserter(result8));
#endif
         r = boost::make_u32regex(expression8.begin(), expression8.end(), syntax_options);
         boost::u32regex_replace(unnecessary_fix::back_inserter(found8), text8.begin(), text8.end(), r, &*format8.begin(), opts);
         if(result8 != found8)
         {
            BOOST_REGEX_TEST_ERROR("u32regex_replace with UTF-8 string returned incorrect result", UChar32);
         }
         //
         // Now with std::string and UTF-8:
         //
         std::string expression8s, text8s, format8s, result8s, found8s;
         if(expression8.size())
            expression8s.assign(&*expression8.begin(), expression8.size());
         if(text8.size())
            text8s.assign(&*text8.begin(), text8.size());
         format8s.assign(&*format8.begin(), format8.size()-1);
         if(result8.size())
            result8s.assign(&*result8.begin(), result8.size());
         r = boost::make_u32regex(expression8.begin(), expression8.end(), syntax_options);
         found8s = boost::u32regex_replace(text8s, r, format8s, opts);
         if(result8s != found8s)
         {
            BOOST_REGEX_TEST_ERROR("u32regex_replace with UTF-8 string returned incorrect result", UChar32);
         }
      }
   }
   catch(const boost::bad_expression& e)
   {
      BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done: " << e.what(), UChar32);
   }
   catch(const std::runtime_error& r)
   {
      BOOST_REGEX_TEST_ERROR("Received an unexpected std::runtime_error: " << r.what(), UChar32);
   }
   catch(const std::exception& r)
   {
      BOOST_REGEX_TEST_ERROR("Received an unexpected std::exception: " << r.what(), UChar32);
   }
   catch(...)
   {
      BOOST_REGEX_TEST_ERROR("Received an unexpected exception of unknown type", UChar32);
   }
}

#else

#include "test.hpp"

void test_icu(const wchar_t&, const test_regex_search_tag&){}
void test_icu(const wchar_t&, const test_invalid_regex_tag&){}
void test_icu(const wchar_t&, const test_regex_replace_tag&){}

#endif