1// 2004-08-12  Paolo Carlini  <pcarlini@suse.de>
2
3// Copyright (C) 2004 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 2, 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 COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// 27.7.1.3 Overridden virtual functions
22
23#include <sstream>
24#include <testsuite_hooks.h>
25
26// libstdc++/16956
27void test01()
28{
29  bool test __attribute__((unused)) = true;
30  using namespace std;
31
32  typedef stringbuf::int_type int_type;
33  typedef stringbuf::traits_type traits_type;
34  typedef stringbuf::pos_type pos_type;
35  typedef stringbuf::off_type off_type;
36
37  stringbuf strb_01("lara's place", ios_base::in);
38  pos_type pt_1 = strb_01.pubseekoff(5, ios_base::cur, ios_base::in);
39  int_type c1 = strb_01.sgetc();
40  VERIFY( c1 != traits_type::eof() );
41  pos_type pt_2 = strb_01.pubseekoff(2, ios_base::cur, ios_base::in);
42  pos_type pt_3 = strb_01.pubseekpos(pt_1, ios_base::in);
43  int_type c2 = strb_01.sbumpc();
44  VERIFY( off_type(pt_3) == off_type(pt_2) - 2 );
45  VERIFY( c2 == c1 );
46
47  stringbuf strb_02("-", ios_base::out);
48  pos_type pt_4 = strb_02.pubseekoff(0, ios_base::cur, ios_base::out);
49  strb_02.sputn("red", 3);
50  pos_type pt_5 = strb_02.pubseekoff(-3, ios_base::cur, ios_base::out);
51  strb_02.pubseekpos(pt_5, ios_base::out);
52  VERIFY( off_type(pt_5) == off_type(pt_4) );
53  strb_02.sputn("blu", 3);
54  VERIFY( strb_02.str() == "blu" );
55}
56
57int main()
58{
59  test01();
60  return 0;
61}
62