libstdc++-v3/testsuite/27_io/basic_istream/seekg/wchar_t/8348-2.cc

   1 // Copyright (C) 2004, 2005, 2006 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 27.6.1.3 unformatted input functions
  20 // NB: ostream has a particular "seeks" category. Adopt this for istreams too.
  21
  22 #include <istream>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/8348
  27 void test06(void)
  28 {
  29   using namespace std;
  30   bool test __attribute__((unused)) = true;
  31   wstring num1(L"555");
  32
  33   // seekg
  34   {
  35     wistringstream iss(num1);
  36     wistream::pos_type pos1 = iss.tellg();
  37     int asNum = 0;
  38     iss >> asNum;
  39     VERIFY( test = iss.eof() );
  40     VERIFY( test = !iss.fail() );
  41     iss.clear();
  42     iss.seekg(0, ios_base::beg);
  43     VERIFY( test = !iss.fail() );
  44   }
  45 }
  46
  47 int main()
  48 {
  49   test06();
  50   return 0;
  51 }