1// 2000-06-29 bkoz
2
3// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2009 Free Software Foundation
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// 27.6.1.3 unformatted input functions
21// NB: ostream has a particular "seeks" category. Adopt this for istreams too.
22// @require@ %-*.tst %-*.txt
23// @diff@ %-*.tst %-*.txt
24
25#include <istream>
26#include <fstream>
27#include <testsuite_hooks.h>
28
29// fstreams
30void test04(void)
31{
32  bool test __attribute__((unused)) = true;
33  std::istream::pos_type pos01, pos02;
34  const char str_lit01[] = "istream_seeks-1.txt";
35  std::ifstream if01(str_lit01, std::ios_base::in | std::ios_base::out);
36
37  // libstdc++/6414
38  if01.seekg(0, std::ios_base::beg);
39  pos01 = if01.tellg();
40  if01.peek();
41  pos02 = if01.tellg();
42  VERIFY( pos02 == pos01 );
43}
44
45int main()
46{
47  test04();
48  return 0;
49}
50