1// Copyright (C) 2004, 2005, 2009 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// 27.6.1.2.2 arithmetic extractors
19
20#include <istream>
21#include <sstream>
22#include <locale>
23#include <testsuite_hooks.h>
24
25namespace std {
26  class test_numpunct1 : public numpunct<wchar_t>
27  {
28  protected:
29    string
30    do_grouping() const
31    { return string(1, '\003'); }
32  };
33} // namespace std
34
35void test07()
36{
37  // manufactured locale, grouping is turned on
38  bool test __attribute__((unused)) = true;
39  unsigned int h4 = 0, h3 = 0, h2 = 0;
40  float f1 = 0.0;
41  const std::wstring s1(L"205,199 23,445.25 1,024,365 123,22,24");
42  std::wistringstream is(s1);
43  is.imbue(std::locale(std::locale(), new std::test_numpunct1));
44
45  // Basic operation.
46  is >> h4;
47  VERIFY( h4 == 205199 );
48  VERIFY( is.good() );
49
50  is.clear();
51  is >> f1;
52  VERIFY( f1 == 23445.25 );
53  VERIFY( is.good() );
54
55  is.clear();
56  is >> h3;
57  VERIFY( h3 == 1024365 );
58  VERIFY( is.good() );
59
60  is.clear();
61  is >> h2;
62  VERIFY( h2 == 1232224 );
63  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
64  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
65
66  // Stress tests for explicit errors in grouping corner cases.  The
67  // validity of these tests and results have been hammered out in
68  // private email between bkoz and ncm between Jan 25 and Jan 27, 2000.
69  // Thanks nate -- benjamin
70  const std::wstring s2(L",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567");
71  h3 = h4 = h2 = 0;
72  f1 = 0.0;
73  const wchar_t c_control = L'?';
74  wchar_t c = c_control;
75  is.clear();
76  is.str(s2);
77
78  is >> h4;
79  VERIFY( h4 == 0 );
80  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
81  is.clear();
82  is >> c;
83  VERIFY( c == L',' );
84  VERIFY( is.good() );
85
86  is.ignore(3);
87  is >> f1;
88  VERIFY( f1 == 0.0 );
89  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
90  is.clear();
91  is >> c;
92  VERIFY( c == L',' );
93  is >> c;
94  VERIFY( c == L'4' );
95  VERIFY( is.good() );
96
97  is >> f1;
98  VERIFY( f1 == 0.25 );
99  VERIFY( is.good() );
100  is >> c;
101  VERIFY( c == L',' );
102  is >> h2;
103  VERIFY( h2 == 345 );
104  VERIFY( is.good() );
105  f1 = 0.0;
106  h2 = 0;
107
108  is >> f1;
109  VERIFY( f1 == 5.0 );
110  VERIFY( is.good() );
111  is >> f1;
112  VERIFY( f1 == .25 );
113  VERIFY( is.good() );
114
115  is >> h3;
116  VERIFY( h3 == 0 );
117  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
118  is.clear();
119  is >> c;
120  VERIFY( c == L',' ); // second one
121  VERIFY( is.good() );
122
123  is >> h2;
124  VERIFY( h2 == 1000000 );
125  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
126  h2 = 0;
127  is.clear();
128
129  is >> h2;
130  VERIFY( h2 == 1000000 );
131  VERIFY( is.good() );
132  h2 = 0;
133
134  is >> h2;
135  VERIFY( h2 == 1234567 );
136  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
137  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
138  is.clear();
139}
140
141int main()
142{
143  test07();
144  return 0;
145}
146