1// Copyright (C) 2004 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 2, 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 COPYING.  If not, write to the Free
16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17// USA.
18
19// 27.6.1.3 unformatted input functions
20
21#include <istream>
22#include <sstream>
23#include <testsuite_hooks.h>
24
25void
26test01()
27{
28  bool test __attribute__((unused)) = true;
29  const std::wstring str_01;
30  const std::wstring str_02(L"soul eyes: john coltrane quartet");
31  std::wstring strtmp;
32
33  std::wstringbuf isbuf_03(str_02, std::ios_base::in);
34  std::wstringbuf isbuf_04(str_02, std::ios_base::in);
35  std::wstringbuf isbuf_05(str_02, std::ios_base::in);
36
37  std::wistream is_00(&isbuf_05);
38  std::wistream is_03(&isbuf_03);
39  std::wistream is_04(&isbuf_04);
40  std::ios_base::iostate state1, state2;
41
42  // istream& putback(char_type c)
43  is_04.ignore(30);
44  is_04.clear();
45  state1 = is_04.rdstate();
46  is_04.putback(L't');
47  VERIFY( is_04.gcount() == 0 );  // DR 60
48  state2 = is_04.rdstate();
49  VERIFY( state1 == state2 );
50  VERIFY( is_04.peek() == L't' );
51
52  // istream& unget()
53  is_04.clear();
54  state1 = is_04.rdstate();
55  is_04.unget();
56  VERIFY( is_04.gcount() == 0 );  // DR 60
57  state2 = is_04.rdstate();
58  VERIFY( state1 == state2 );
59  VERIFY( is_04.peek() == L'r' );
60
61  // int sync()
62  is_00.ignore(10);
63  int count1 = is_00.gcount();
64  is_00.sync();
65  int count2 = is_00.gcount();
66  VERIFY (count1 == count2 );     // DR 60
67}
68
69int
70main()
71{
72  test01();
73  return 0;
74}
75