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// 1999-11-10 bkoz

// Copyright (C) 1999, 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.

// 27.4.2.6 ios_base callbacks

#include <string>

#include <sstream>

#include <testsuite_hooks.h>

const std::string str01("the nubians of plutonia");

std::string str02;

void

callb01(std::ios_base::event,  std::ios_base&, int)

{ str02 += "the nubians"; }

void

callb02(std::ios_base::event,  std::ios_base&, int)

{ str02 += " of "; }

void

callb03(std::ios_base::event,  std::ios_base&, int)

{ str02 += "plutonia"; }

void test01()

{

  bool test __attribute__((unused)) = true;

  std::locale loc("C");

  std::stringbuf        strbuf01;

  std::ios              ios01(&strbuf01);

  ios01.register_callback(callb03, 1);

  ios01.register_callback(callb02, 1);

  ios01.register_callback(callb01, 1);

  ios01.imbue(loc);

  VERIFY( str01 == str02 );

}

int main(void)

{

  test01();

  return 0;

}