1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001-2015 Free Software Foundation, Inc.
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// 27.7.1.3 Overridden virtual functions
21
22#include <sstream>
23#include <testsuite_hooks.h>
24
25void test02(std::wstringbuf& in, bool pass)
26{
27  bool test __attribute__((unused)) = true;
28  using namespace std;
29  typedef wstreambuf::pos_type pos_type;
30  typedef wstreambuf::off_type off_type;
31  pos_type bad = pos_type(off_type(-1));
32  pos_type p = 0;
33
34  // seekoff
35  p = in.pubseekoff(0, ios_base::beg, ios_base::in);
36  if (pass)
37    VERIFY( p != bad );
38
39  p = in.pubseekoff(0, ios_base::beg, ios_base::out);
40  VERIFY( p == bad );
41
42  p = in.pubseekoff(0, ios_base::beg);
43  VERIFY( p == bad );
44}
45
46int main()
47{
48  using namespace std;
49
50  // movie star, submarine scientist!
51  wstringbuf in1(L"Hedy Lamarr", ios_base::in);
52  wstringbuf in2(ios_base::in);
53  wstringbuf in3(L"", ios_base::in);
54  test02(in1, true);
55  test02(in2, false);
56  test02(in3, false);
57  return 0;
58}
59