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// 2003-05-01 Petur Runolfsson  <peturr02@ru.is>

// Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// As a special exception, you may use this file as part of a free software

// library without restriction.  Specifically, if other files instantiate

// templates or use macros or inline functions from this file, or you compile

// this file and link it with other files to produce an executable, this

// file does not by itself cause the resulting executable to be covered by

// the GNU General Public License.  This exception does not however

// invalidate any other reasons why the executable file might be covered by

// the GNU General Public License.

#include <fstream>

#include <iostream>

#include <testsuite_hooks.h>

class gnu_filebuf: public std::wfilebuf

{

  int i;

public:

  gnu_filebuf(int j = 1): i(j) { }

  ~gnu_filebuf() { --i; }

  int get_i() { return i;}

};

const int initial = 4;

gnu_filebuf buf(initial);

// libstdc++/3045, in a vague way.

void test01()

{

  bool test __attribute__((unused)) = true;

  int k1;

  // 1 normal

  k1 = buf.get_i();

  VERIFY( k1 == initial );

  {

    std::wcout.rdbuf(&buf);

  }

  k1 = buf.get_i();

  VERIFY( k1 == initial );

  // 2 syncd off

  k1 = buf.get_i();

  VERIFY( k1 == initial );

  {

    std::wcout.rdbuf(&buf);

    std::ios_base::sync_with_stdio(false); // make sure doesn't clobber buf

  }

  k1 = buf.get_i();

  VERIFY( k1 == initial );

  // 3 callling init

  k1 = buf.get_i();

  VERIFY( k1 == initial );

  {

    std::wcout.rdbuf(&buf);

    std::ios_base::Init make_sure_initialized;

  }

  k1 = buf.get_i();

  VERIFY( k1 == initial );

}

int main()

{

  test01();

  return 0;

}