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// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001, 2002, 2003, 2004, 2009 Free Software Foundation, Inc.

//

// 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/>.

// 27.7.1.3 Overridden virtual functions

#include <sstream>

#include <testsuite_hooks.h>

void test02(std::wstringbuf& in, bool pass)

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  typedef wstreambuf::pos_type pos_type;

  typedef wstreambuf::off_type off_type;

  pos_type bad = pos_type(off_type(-1));

  pos_type p = 0;

  // seekoff

  p = in.pubseekoff(0, ios_base::beg, ios_base::in);

  if (pass)

    VERIFY( p != bad );

  p = in.pubseekoff(0, ios_base::beg, ios_base::out);

  VERIFY( p == bad );

  p = in.pubseekoff(0, ios_base::beg);

  VERIFY( p == bad );

}

int main()

{

  using namespace std;

  // movie star, submarine scientist!

  wstringbuf in1(L"Hedy Lamarr", ios_base::in);

  wstringbuf in2(ios_base::in);

  wstringbuf in3(L"", ios_base::in);

  test02(in1, true);

  test02(in2, false);

  test02(in3, false);

  return 0;

}