libstdc++-v3/testsuite/27_io/ios_base/sync_with_stdio/9523.cc

   1 // 2003-04-26 Petur Runolfsson  <peturr02@ru.is>
   2
   3 // Copyright (C) 2003-2023 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 27.4.2.4 ios_base static members
  21
  22 #include <testsuite_hooks.h>
  23 #include <iostream>
  24
  25 // libstdc++/9523
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   int index = ios_base::xalloc();
  31
  32   cin.iword(index) = 5;
  33   cout.iword(index) = 6;
  34   cerr.iword(index) = 7;
  35   clog.iword(index) = 8;
  36
  37   ios_base::sync_with_stdio(false);
  38
  39   VERIFY( cin.iword(index) == 5 );
  40   VERIFY( cout.iword(index) == 6 );
  41   VERIFY( cerr.iword(index) == 7 );
  42   VERIFY( clog.iword(index) == 8 );
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   return 0;
  49 }
  50