1// 1999-04-12 bkoz
2
3// Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005
4// Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 2, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING.  If not, write to the Free
19// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20// USA.
21
22// 27.6.1.2.2 arithmetic extractors
23
24#include <istream>
25#include <sstream>
26#include <locale>
27#include <testsuite_hooks.h>
28
29namespace std {
30  class test_numpunct1 : public numpunct<char>
31  {
32  protected:
33    string
34    do_grouping() const
35    { return string(1, '\003'); }
36  };
37} // namespace std
38
39void test07()
40{
41  // manufactured locale, grouping is turned on
42  bool test __attribute__((unused)) = true;
43  unsigned int h4 = 0, h3 = 0, h2 = 0;
44  float f1 = 0.0;
45  const std::string s1("205,199 23,445.25 1,024,365 123,22,24");
46  std::istringstream is(s1);
47  is.imbue(std::locale(std::locale(), new std::test_numpunct1));
48
49  // Basic operation.
50  is >> h4;
51  VERIFY( h4 == 205199 );
52  VERIFY( is.good() );
53
54  is.clear();
55  is >> f1;
56  VERIFY( f1 == 23445.25 );
57  VERIFY( is.good() );
58
59  is.clear();
60  is >> h3;
61  VERIFY( h3 == 1024365 );
62  VERIFY( is.good() );
63
64  is.clear();
65  is >> h2;
66  VERIFY( h2 == 1232224 );
67  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
68  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
69
70  // Stress tests for explicit errors in grouping corner cases.  The
71  // validity of these tests and results have been hammered out in
72  // private email between bkoz and ncm between Jan 25 and Jan 27, 2000.
73  // Thanks nate -- benjamin
74  const std::string s2(",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567");
75  h3 = h4 = h2 = 0;
76  f1 = 0.0;
77  const char c_control = '?';
78  char c = c_control;
79  is.clear();
80  is.str(s2);
81
82  is >> h4;
83  VERIFY( h4 == 0 );
84  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
85  is.clear();
86  is >> c;
87  VERIFY( c == ',' );
88  VERIFY( is.good() );
89
90  is.ignore(3);
91  is >> f1;
92  VERIFY( f1 == 0.0 );
93  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
94  is.clear();
95  is >> c;
96  VERIFY( c == ',' );
97  is >> c;
98  VERIFY( c == '4' );
99  VERIFY( is.good() );
100
101  is >> f1;
102  VERIFY( f1 == 0.25 );
103  VERIFY( is.good() );
104  is >> c;
105  VERIFY( c == ',' );
106  is >> h2;
107  VERIFY( h2 == 345 );
108  VERIFY( is.good() );
109  f1 = 0.0;
110  h2 = 0;
111
112  is >> f1;
113  VERIFY( f1 == 5.0 );
114  VERIFY( is.good() );
115  is >> f1;
116  VERIFY( f1 == .25 );
117  VERIFY( is.good() );
118
119  is >> h3;
120  VERIFY( h3 == 0 );
121  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
122  is.clear();
123  is >> c;
124  VERIFY( c == ',' ); // second one
125  VERIFY( is.good() );
126
127  is >> h2;
128  VERIFY( h2 == 1000000 );
129  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
130  h2 = 0;
131  is.clear();
132
133  is >> h2;
134  VERIFY( h2 == 1000000 );
135  VERIFY( is.good() );
136  h2 = 0;
137
138  is >> h2;
139  VERIFY( h2 == 1234567 );
140  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
141  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
142  is.clear();
143}
144
145int main()
146{
147  test07();
148  return 0;
149}
150