libstdc++-v3/testsuite/27_io/objects/char/9.cc

   1 // 2003-05-01  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 <iostream>
  22 #include <cstdio>
  23 #include <testsuite_hooks.h>
  24
  25 void test09()
  26 {
  27   using namespace std;
  28
  29   bool test __attribute__((unused)) = true;
  30   const char* name = "tmp_09";
  31
  32   FILE* fout = fopen(name, "w");
  33   fputs("abc\n", fout);
  34   fclose(fout);
  35
  36   freopen(name, "r", stdin);
  37
  38   // The number of unread characters should be 4 (a, b, c, \\n)
  39   VERIFY( 4 == std::cin.rdbuf()->in_avail() );
  40 }
  41
  42 int
  43 main()
  44 {
  45   test09();
  46   return 0;
  47 }