1// Copyright (C) 2004, 2009 Free Software Foundation
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 3, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// 27.6.1.3 unformatted input functions
19// NB: ostream has a particular "seeks" category. Adopt this for istreams too.
20// @require@ %-*.tst %-*.txt
21// @diff@ %-*.tst %-*.txt
22
23#include <istream>
24#include <fstream>
25#include <testsuite_hooks.h>
26
27// fstreams
28void test04(void)
29{
30  bool test __attribute__((unused)) = true;
31  std::wistream::pos_type pos01, pos02;
32  const char str_lit01[] = "wistream_seeks-1.txt";
33  std::wifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
34
35  // libstdc++/6414
36  if01.seekg(0, std::ios_base::beg);
37  pos01 = if01.tellg();
38  if01.peek();
39  pos02 = if01.tellg();
40  VERIFY( pos02 == pos01 );
41}
42
43int main()
44{
45  test04();
46  return 0;
47}
48