libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/wchar_t/wstring_02.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-namedlocale "en_US.UTF-8" }
   3
   4 //
   5 // 2013-08-29  Tim Shen <timshen91@gmail.com>
   6 //
   7 // Copyright (C) 2013-2020 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // 28.12.2 regex_token_iterator
  25 // Tests regex_token_iterator class over a localized wstring.
  26
  27 #include <regex>
  28 #include <testsuite_hooks.h>
  29
  30 void
  31 test01()
  32 {
  33   std::setlocale(LC_ALL, "en_US.UTF-8");
  34
  35   std::wstring str2 = L"öäü";
  36   std::wregex re2;
  37   re2.assign(L"([[:lower:]]+)");
  38   std::wsmatch m2;
  39
  40   std::wsregex_token_iterator end {};
  41   std::wsregex_token_iterator p{str2.begin(), str2.end(), re2, {1}};
  42
  43   VERIFY(p == end);
  44 }
  45
  46 int
  47 main()
  48 {
  49   test01();
  50   return 0;
  51 }