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// Copyright (C) 2004, 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/>.

// The ARM simulator does not provide support for "fstat", which

// causes "in_avail" to return an incorrect value.

// { dg-do run { xfail arm*-*-elf arm*-*-eabi } }

// { dg-require-binary-io "" }

// 27.6.1.3 unformatted input functions

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

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

#include <istream>

#include <fstream>

#include <testsuite_hooks.h>

// libstdc++/6746   

void test13()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  streamsize sum = 0;

  wifstream ifs("wistream_unformatted-1.tst");

  // test01

  size_t i = ifs.rdbuf()->in_avail();

  VERIFY( i != 0 );

  // test02

  streamsize extracted;

  do

    {

      wchar_t buf[1024];

      extracted = ifs.readsome(buf, sizeof(buf) / sizeof(wchar_t));

      sum += extracted;

    }

  while (ifs.good() && extracted);

  VERIFY( sum != 0 );

}

int

main()

{

  test13();

  return 0;

}