libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/wchar_t/63199.cc

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // Copyright (C) 2014-2019 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <regex>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_regex.h>
  24
  25 using namespace __gnu_test;
  26 using namespace std;
  27
  28 // libstdc++/63199
  29 void
  30 test01()
  31 {
  32   std::setlocale(LC_ALL, "");
  33
  34   std::wstring current_token(L"II.");
  35
  36   std::vector<std::wregex> regex_vector;
  37
  38   for (int i = 0; i < 4; ++i)
  39   {
  40     std::regex_constants::syntax_option_type flag;
  41     flag = std::regex_constants::ECMAScript | std::regex_constants::icase;
  42
  43     std::wregex reg;
  44     reg.imbue(std::locale(""));
  45     reg.assign(L"^(M*(?:CM|DC{1,3}|D|CD|C{1,3}){0,1}(?:XC|LX{1,3}|L|XL|X{1,3}){0,1}(?:IX|VI{0,3}|IV|I{1,3}){0,1}\\.)$", flag);
  46
  47     regex_vector.emplace_back(reg);
  48   }
  49
  50   for (auto cit = regex_vector.cbegin(); cit != regex_vector.cend(); ++cit)
  51   {
  52     std::wstring::const_iterator it1 = current_token.begin();
  53     std::wstring::const_iterator it2 = current_token.end();
  54     std::wsmatch current_token_match;
  55
  56     regex_match_debug(it1, it2, current_token_match, *cit);
  57     VERIFY(current_token_match[0] == current_token);
  58     VERIFY(current_token_match[1] == current_token);
  59   }
  60 }
  61
  62 int
  63 main()
  64 {
  65   test01();
  66   return 0;
  67 }