libstdc++-v3/testsuite/27_io/ios_base/state/1.cc

   1 // Copyright (C) 1997-2019 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18
  19 #include <sstream>
  20 #include <locale>
  21 #include <testsuite_hooks.h>
  22
  23 void
  24 test02()
  25 {
  26   const std::string strue("true");
  27   const std::string sfalse("false");
  28   std::string str01;
  29   std::string str02;
  30
  31   std::locale loc_c = std::locale::classic();
  32   std::ostringstream ostr01;
  33   ostr01.imbue(loc_c);
  34   ostr01.flags(std::ios_base::boolalpha);
  35
  36   ostr01 << true;
  37   str02 = ostr01.str();
  38   VERIFY( str02 == strue );
  39
  40   ostr01.str(str01);
  41   ostr01 << false;
  42   str02 = ostr01.str();
  43   VERIFY( str02 == sfalse );
  44 }
  45
  46 int
  47 main()
  48 {
  49   test02();
  50   return 0;
  51 }