libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/wchar_t/26181.cc

   1 // Copyright (C) 2006-2024 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 #include <istream>
  19 #include <sstream>
  20 #include <testsuite_hooks.h>
  21
  22 // libstdc++/26181
  23 void test01()
  24 {
  25   using namespace std;
  26
  27   typedef wistringstream::pos_type pos_type;
  28
  29   wistringstream iss(L"Territoires de l'Oubli");
  30   wostringstream oss;
  31
  32   VERIFY( iss.tellg() == pos_type(0) );
  33
  34   iss >> oss.rdbuf();
  35   VERIFY( iss.rdstate() == iss.eofbit );
  36
  37   iss.clear();
  38   VERIFY( iss.tellg() == pos_type(22) );
  39
  40   iss.get();
  41   VERIFY( iss.tellg() == pos_type(-1) );
  42 }
  43
  44 int main()
  45 {
  46   test01();
  47   return 0;
  48 }