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

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // Copyright (C) 2015-2020 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
  24 void
  25 test01()
  26 {
  27   std::cmatch m;
  28   std::regex_match("a", m, std::regex("a"));
  29   std::cmatch mm1 = m, mm2;
  30   mm1.swap(mm2);
  31   VERIFY(m == mm2);
  32   std::swap(mm1, mm2);
  33   VERIFY(m == mm1);
  34 }
  35
  36 int
  37 main()
  38 {
  39   test01();
  40   return 0;
  41 }