1// 2003-12-19  Paolo Carlini  <pcarlini@suse.de>
2
3// Copyright (C) 2003-2015 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// 22.2.2.1.1  num_get members
21
22#include <locale>
23#include <sstream>
24#include <testsuite_hooks.h>
25
26void test01()
27{
28  using namespace std;
29  typedef istreambuf_iterator<wchar_t> iterator_type;
30
31  bool test __attribute__((unused)) = true;
32
33  wistringstream iss;
34  const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc());
35  ios_base::iostate err = ios_base::goodbit;
36  iterator_type end;
37  float f = 1.0f;
38  double d = 1.0;
39  long double ld = 1.0l;
40
41  iss.str(L"1e.");
42  err = ios_base::goodbit;
43  end = ng.get(iss.rdbuf(), 0, iss, err, f);
44  VERIFY( err == ios_base::failbit );
45  VERIFY( *end == L'.' );
46  VERIFY( f == 0.0f );
47
48  iss.str(L"3e+");
49  iss.clear();
50  err = ios_base::goodbit;
51  end = ng.get(iss.rdbuf(), 0, iss, err, d);
52  VERIFY( err == (ios_base::failbit | ios_base::eofbit) );
53  VERIFY( d == 0.0 );
54
55  iss.str(L"6e ");
56  iss.clear();
57  err = ios_base::goodbit;
58  end = ng.get(iss.rdbuf(), 0, iss, err, ld);
59  VERIFY( *end == L' ' );
60
61  // libstdc++/37624.  We can't always obtain the required behavior
62  // when sscanf is involved, because of, e.g., glibc/1765.
63#if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD)
64  VERIFY( err == ios_base::failbit );
65  VERIFY( ld == 0.0l );
66#endif
67}
68
69int main()
70{
71  test01();
72  return 0;
73}
74