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// Copyright (C) 2003, 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/>.
 
// 27.8.1.4 Overridden virtual functions
 
// { dg-require-fileio "" }
 
#include <fstream>
#include <cstdio>
#include <cstring>
#include <testsuite_hooks.h>
 
// libstdc++/12875
void test02()
{
  using namespace std;
  bool test __attribute__((unused)) = true;
 
  const char* name = "tmp_setbuf5";
  static char buf[1024];
 
  filebuf out;
  out.open(name, ios_base::out);
  streamsize r = out.sputn("Hello,", 6);
  VERIFY( r == 6 );
  out.pubsetbuf(buf, 1024);
  r = out.sputn(" world", 6);
  VERIFY( r == 6 );
  VERIFY( out.close() );
 
  FILE* in = fopen(name, "r");
  char str[256];
  VERIFY( fgets(str, 256, in) );
  VERIFY( !strcmp(str, "Hello, world") );
  fclose(in);
}
 
int main()
{
  test02();
  return 0;
}