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6e1fc5ee | 1 | // 1999-04-12 bkoz |
2 | ||
fbd26352 | 3 | // Copyright (C) 1999-2019 Free Software Foundation, Inc. |
6e1fc5ee | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
6e1fc5ee | 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 | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
6e1fc5ee | 19 | |
20 | // 27.6.1.2.2 arithmetic extractors | |
21 | ||
6e1fc5ee | 22 | #include <istream> |
6e1fc5ee | 23 | #include <sstream> |
24 | #include <locale> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
6e1fc5ee | 27 | namespace std { |
28 | class test_numpunct1 : public numpunct<char> | |
29 | { | |
30 | protected: | |
31 | string | |
32 | do_grouping() const | |
33 | { return string(1, '\003'); } | |
34 | }; | |
35 | } // namespace std | |
36 | ||
37 | void test07() | |
38 | { | |
39 | // manufactured locale, grouping is turned on | |
6e1fc5ee | 40 | unsigned int h4 = 0, h3 = 0, h2 = 0; |
41 | float f1 = 0.0; | |
42 | const std::string s1("205,199 23,445.25 1,024,365 123,22,24"); | |
43 | std::istringstream is(s1); | |
44 | is.imbue(std::locale(std::locale(), new std::test_numpunct1)); | |
45 | ||
46 | // Basic operation. | |
47 | is >> h4; | |
48 | VERIFY( h4 == 205199 ); | |
49 | VERIFY( is.good() ); | |
50 | ||
51 | is.clear(); | |
52 | is >> f1; | |
53 | VERIFY( f1 == 23445.25 ); | |
54 | VERIFY( is.good() ); | |
55 | ||
56 | is.clear(); | |
57 | is >> h3; | |
58 | VERIFY( h3 == 1024365 ); | |
59 | VERIFY( is.good() ); | |
60 | ||
61 | is.clear(); | |
62 | is >> h2; | |
fbaa96d6 | 63 | VERIFY( h2 == 1232224 ); |
6e1fc5ee | 64 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
65 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); | |
66 | ||
67 | // Stress tests for explicit errors in grouping corner cases. The | |
68 | // validity of these tests and results have been hammered out in | |
69 | // private email between bkoz and ncm between Jan 25 and Jan 27, 2000. | |
70 | // Thanks nate -- benjamin | |
71 | const std::string s2(",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567"); | |
72 | h3 = h4 = h2 = 0; | |
73 | f1 = 0.0; | |
74 | const char c_control = '?'; | |
75 | char c = c_control; | |
76 | is.clear(); | |
77 | is.str(s2); | |
78 | ||
79 | is >> h4; | |
80 | VERIFY( h4 == 0 ); | |
81 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); | |
82 | is.clear(); | |
83 | is >> c; | |
84 | VERIFY( c == ',' ); | |
85 | VERIFY( is.good() ); | |
86 | ||
87 | is.ignore(3); | |
88 | is >> f1; | |
89 | VERIFY( f1 == 0.0 ); | |
90 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); | |
91 | is.clear(); | |
92 | is >> c; | |
93 | VERIFY( c == ',' ); | |
94 | is >> c; | |
95 | VERIFY( c == '4' ); | |
96 | VERIFY( is.good() ); | |
97 | ||
98 | is >> f1; | |
99 | VERIFY( f1 == 0.25 ); | |
100 | VERIFY( is.good() ); | |
101 | is >> c; | |
102 | VERIFY( c == ',' ); | |
103 | is >> h2; | |
104 | VERIFY( h2 == 345 ); | |
105 | VERIFY( is.good() ); | |
106 | f1 = 0.0; | |
107 | h2 = 0; | |
108 | ||
109 | is >> f1; | |
110 | VERIFY( f1 == 5.0 ); | |
111 | VERIFY( is.good() ); | |
112 | is >> f1; | |
113 | VERIFY( f1 == .25 ); | |
114 | VERIFY( is.good() ); | |
115 | ||
116 | is >> h3; | |
117 | VERIFY( h3 == 0 ); | |
118 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); | |
119 | is.clear(); | |
120 | is >> c; | |
121 | VERIFY( c == ',' ); // second one | |
122 | VERIFY( is.good() ); | |
123 | ||
124 | is >> h2; | |
fbaa96d6 | 125 | VERIFY( h2 == 1000000 ); |
6e1fc5ee | 126 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
fbaa96d6 | 127 | h2 = 0; |
6e1fc5ee | 128 | is.clear(); |
129 | ||
130 | is >> h2; | |
131 | VERIFY( h2 == 1000000 ); | |
132 | VERIFY( is.good() ); | |
133 | h2 = 0; | |
134 | ||
135 | is >> h2; | |
fbaa96d6 | 136 | VERIFY( h2 == 1234567 ); |
6e1fc5ee | 137 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
138 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); | |
139 | is.clear(); | |
6e1fc5ee | 140 | } |
141 | ||
142 | int main() | |
143 | { | |
144 | test07(); | |
145 | return 0; | |
146 | } |