libstdc++-v3/testsuite/27_io/objects/wchar_t/9661-2_xin.cc

   1 // 2003-04-30  Petur Runolfsson <peturr02@ru.is>
   2
   3 // Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 #include <testsuite_hooks.h>
  22 #include <cstdio>
  23 #include <iostream>
  24 #include <cwchar>
  25
  26 void test02()
  27 {
  28   using namespace std;
  29
  30   bool test __attribute__((unused)) = true;
  31
  32   wint_t c1 = fgetwc(stdin);
  33   wint_t c2 = wcin.rdbuf()->sputbackc(c1);
  34   VERIFY( c2 == c1 );
  35
  36   wint_t c3 = fgetwc(stdin);
  37   VERIFY( c3 == c1 );
  38   ungetwc(c3, stdin);
  39
  40   wint_t c4 = wcin.rdbuf()->sgetc();
  41   VERIFY( c4 == c3 );
  42 }
  43
  44 int main()
  45 {
  46   test02();
  47   return 0;
  48 }