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// 2000-06-29 bkoz

// Copyright (C) 2000, 2001, 2002, 2003, 2009 Free Software Foundation

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 27.6.1.3 unformatted input functions

// NB: ostream has a particular "seeks" category. Adopt this for istreams too.

// @require@ %-*.tst %-*.txt

// @diff@ %-*.tst %-*.txt

// { dg-require-fileio "" }

#include <istream>

#include <sstream>

#include <fstream>

#include <testsuite_hooks.h>

void test01()

{

  using namespace std;

  typedef ios::off_type off_type;

  typedef ios::pos_type pos_type;

  bool test __attribute__((unused)) = true;

  const char str_lit01[] = "istream_seeks-1.tst";

  // in

  istringstream ist1;

  pos_type p3 = ist1.tellg();

  ifstream ifs1;

  pos_type p4 = ifs1.tellg();

  // N.B. We implement the resolution of DR 453 and

  // istringstream::tellg() doesn't fail.

  VERIFY( p3 == pos_type(off_type(0)) );

  VERIFY( p4 == pos_type(off_type(-1)) );

  // in

  // test ctors leave things in the same positions...

  istringstream ist2("bob_marley:kaya");

  p3 = ist2.tellg();

  ifstream ifs2(str_lit01);

  p4 = ifs2.tellg();

  VERIFY( p3 == p4 );

}

int main()

{

  test01();

  return 0;

}