1// Copyright (C) 2009 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 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// 22.2.2.1.1  num_get members
19
20#include <locale>
21#include <sstream>
22#include <limits>
23#include <testsuite_hooks.h>
24
25// libstdc++/39802
26void test01()
27{
28  using namespace std;
29  typedef istreambuf_iterator<char> iterator_type;
30
31  bool test __attribute__((unused)) = true;
32
33  stringstream ss;
34  const num_get<char>& ng = use_facet<num_get<char> >(ss.getloc());
35  ios_base::iostate err;
36  iterator_type end;
37  const string empty;
38
39  unsigned long ul0 = 1;
40  const unsigned long ul1 = numeric_limits<unsigned long>::max();
41
42  ss << "-0";
43  err = ios_base::goodbit;
44  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);
45  VERIFY( err == ios_base::eofbit );
46  VERIFY( ul0 == 0 );
47
48  ss.clear();
49  ss.str(empty);
50  ss << "-1";
51  err = ios_base::goodbit;
52  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);
53  VERIFY( err == ios_base::eofbit );
54  VERIFY( ul0 == ul1 );
55
56  ss.clear();
57  ss.str(empty);
58  ss << '-' << ul1;
59  err = ios_base::goodbit;
60  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);
61  VERIFY( err == ios_base::eofbit );
62  VERIFY( ul0 == 1 );
63
64  ss.clear();
65  ss.str(empty);
66  ss << '-' << ul1 << '0';
67  err = ios_base::goodbit;
68  end = ng.get(ss.rdbuf(), 0, ss, err, ul0);
69  VERIFY( err == (ios_base::eofbit | ios_base::failbit) );
70  VERIFY( ul0 == ul1 );
71}
72
73int main()
74{
75  test01();
76  return 0;
77}
78