1// Copyright (C) 2004-2015 Free Software Foundation, Inc.
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// 27.6.1.2.3 character extractors
19
20#include <istream>
21#include <sstream>
22#include <testsuite_hooks.h>
23
24void test02()
25{
26  bool test __attribute__((unused)) = true;
27  std::wstring str_01;
28  const std::wstring str_02(L"or coltrane playing tunji with jimmy garrison");
29  const std::wstring str_03(L"coltrane");
30
31  std::wstringbuf isbuf_01(std::ios_base::in);
32  std::wstringbuf isbuf_02(str_02, std::ios_base::in);
33  std::wistream is_01(0);
34  std::wistream is_02(&isbuf_02);
35  std::ios_base::iostate state1, state2, statefail;
36  statefail = std::ios_base::failbit;
37
38  // template<_CharT, _Traits>
39  //  basic_istream& operator>>(istream&, _CharT&)
40  wchar_t c1 = L'c', c2 = L'c';
41  state1 = is_01.rdstate();
42  is_01 >> c1;
43  state2 = is_01.rdstate();
44  VERIFY( state1 != state2 );
45  VERIFY( c1 == c2 );
46  VERIFY( static_cast<bool>(state2 & statefail) );
47
48  state1 = is_02.rdstate();
49  is_02 >> c1;
50  state2 = is_02.rdstate();
51  VERIFY( state1 == state2 );
52  VERIFY( c1 == L'o' );
53  is_02 >> c1;
54  is_02 >> c1;
55  VERIFY( c1 == L'c' );
56  VERIFY( !static_cast<bool>(state2 & statefail) );
57}
58
59int main()
60{
61  test02();
62  return 0;
63}
64