libstdc++-v3/testsuite/28_regex/match_results/swap.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 //
   5 // Copyright (C) 2015-2025 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <regex>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   std::cmatch m;
  29   std::regex_match("a", m, std::regex("a"));
  30   std::cmatch mm1 = m, mm2;
  31   mm1.swap(mm2);
  32   VERIFY(m == mm2);
  33   std::swap(mm1, mm2);
  34   VERIFY(m == mm1);
  35 }
  36
  37 int
  38 main()
  39 {
  40   test01();
  41   return 0;
  42 }