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// Copyright (C) 2004-2018 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/>.
// 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 "" }
// { dg-require-fileio "" }
// 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;
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;
}
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