1// 1999-04-12 bkoz
2
3// Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2009
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 3, 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 COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21// 27.6.1.2.2 arithmetic extractors
22
23#include <istream>
24#include <sstream>
25#include <locale>
26#include <testsuite_hooks.h>
27
28namespace std {
29  class test_numpunct1 : public numpunct<char>
30  {
31  protected:
32    string
33    do_grouping() const
34    { return string(1, '\003'); }
35  };
36} // namespace std
37
38void test07()
39{
40  // manufactured locale, grouping is turned on
41  bool test __attribute__((unused)) = true;
42  unsigned int h4 = 0, h3 = 0, h2 = 0;
43  float f1 = 0.0;
44  const std::string s1("205,199 23,445.25 1,024,365 123,22,24");
45  std::istringstream is(s1);
46  is.imbue(std::locale(std::locale(), new std::test_numpunct1));
47
48  // Basic operation.
49  is >> h4;
50  VERIFY( h4 == 205199 );
51  VERIFY( is.good() );
52
53  is.clear();
54  is >> f1;
55  VERIFY( f1 == 23445.25 );
56  VERIFY( is.good() );
57
58  is.clear();
59  is >> h3;
60  VERIFY( h3 == 1024365 );
61  VERIFY( is.good() );
62
63  is.clear();
64  is >> h2;
65  VERIFY( h2 == 1232224 );
66  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
67  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
68
69  // Stress tests for explicit errors in grouping corner cases.  The
70  // validity of these tests and results have been hammered out in
71  // private email between bkoz and ncm between Jan 25 and Jan 27, 2000.
72  // Thanks nate -- benjamin
73  const std::string s2(",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567");
74  h3 = h4 = h2 = 0;
75  f1 = 0.0;
76  const char c_control = '?';
77  char c = c_control;
78  is.clear();
79  is.str(s2);
80
81  is >> h4;
82  VERIFY( h4 == 0 );
83  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
84  is.clear();
85  is >> c;
86  VERIFY( c == ',' );
87  VERIFY( is.good() );
88
89  is.ignore(3);
90  is >> f1;
91  VERIFY( f1 == 0.0 );
92  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
93  is.clear();
94  is >> c;
95  VERIFY( c == ',' );
96  is >> c;
97  VERIFY( c == '4' );
98  VERIFY( is.good() );
99
100  is >> f1;
101  VERIFY( f1 == 0.25 );
102  VERIFY( is.good() );
103  is >> c;
104  VERIFY( c == ',' );
105  is >> h2;
106  VERIFY( h2 == 345 );
107  VERIFY( is.good() );
108  f1 = 0.0;
109  h2 = 0;
110
111  is >> f1;
112  VERIFY( f1 == 5.0 );
113  VERIFY( is.good() );
114  is >> f1;
115  VERIFY( f1 == .25 );
116  VERIFY( is.good() );
117
118  is >> h3;
119  VERIFY( h3 == 0 );
120  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
121  is.clear();
122  is >> c;
123  VERIFY( c == ',' ); // second one
124  VERIFY( is.good() );
125
126  is >> h2;
127  VERIFY( h2 == 1000000 );
128  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
129  h2 = 0;
130  is.clear();
131
132  is >> h2;
133  VERIFY( h2 == 1000000 );
134  VERIFY( is.good() );
135  h2 = 0;
136
137  is >> h2;
138  VERIFY( h2 == 1234567 );
139  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
140  VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
141  is.clear();
142}
143
144int main()
145{
146  test07();
147  return 0;
148}
149