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99dee823 | 1 | // Copyright (C) 2004-2021 Free Software Foundation, Inc. |
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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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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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 | ||
25 | namespace 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 | ||
35 | void test07() | |
36 | { | |
37 | // manufactured locale, grouping is turned on | |
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38 | unsigned int h4 = 0, h3 = 0, h2 = 0; |
39 | float f1 = 0.0; | |
40 | const std::wstring s1(L"205,199 23,445.25 1,024,365 123,22,24"); | |
41 | std::wistringstream is(s1); | |
42 | is.imbue(std::locale(std::locale(), new std::test_numpunct1)); | |
43 | ||
44 | // Basic operation. | |
45 | is >> h4; | |
46 | VERIFY( h4 == 205199 ); | |
47 | VERIFY( is.good() ); | |
48 | ||
49 | is.clear(); | |
50 | is >> f1; | |
51 | VERIFY( f1 == 23445.25 ); | |
52 | VERIFY( is.good() ); | |
53 | ||
54 | is.clear(); | |
55 | is >> h3; | |
56 | VERIFY( h3 == 1024365 ); | |
57 | VERIFY( is.good() ); | |
58 | ||
59 | is.clear(); | |
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60 | is >> h2; |
61 | VERIFY( h2 == 1232224 ); | |
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62 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
63 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); | |
64 | ||
65 | // Stress tests for explicit errors in grouping corner cases. The | |
66 | // validity of these tests and results have been hammered out in | |
67 | // private email between bkoz and ncm between Jan 25 and Jan 27, 2000. | |
68 | // Thanks nate -- benjamin | |
69 | const std::wstring s2(L",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567"); | |
70 | h3 = h4 = h2 = 0; | |
71 | f1 = 0.0; | |
72 | const wchar_t c_control = L'?'; | |
73 | wchar_t c = c_control; | |
74 | is.clear(); | |
75 | is.str(s2); | |
76 | ||
77 | is >> h4; | |
78 | VERIFY( h4 == 0 ); | |
79 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); | |
80 | is.clear(); | |
81 | is >> c; | |
82 | VERIFY( c == L',' ); | |
83 | VERIFY( is.good() ); | |
84 | ||
85 | is.ignore(3); | |
86 | is >> f1; | |
87 | VERIFY( f1 == 0.0 ); | |
88 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); | |
89 | is.clear(); | |
90 | is >> c; | |
91 | VERIFY( c == L',' ); | |
92 | is >> c; | |
93 | VERIFY( c == L'4' ); | |
94 | VERIFY( is.good() ); | |
95 | ||
96 | is >> f1; | |
97 | VERIFY( f1 == 0.25 ); | |
98 | VERIFY( is.good() ); | |
99 | is >> c; | |
100 | VERIFY( c == L',' ); | |
101 | is >> h2; | |
102 | VERIFY( h2 == 345 ); | |
103 | VERIFY( is.good() ); | |
104 | f1 = 0.0; | |
105 | h2 = 0; | |
106 | ||
107 | is >> f1; | |
108 | VERIFY( f1 == 5.0 ); | |
109 | VERIFY( is.good() ); | |
110 | is >> f1; | |
111 | VERIFY( f1 == .25 ); | |
112 | VERIFY( is.good() ); | |
113 | ||
114 | is >> h3; | |
115 | VERIFY( h3 == 0 ); | |
116 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); | |
117 | is.clear(); | |
118 | is >> c; | |
119 | VERIFY( c == L',' ); // second one | |
120 | VERIFY( is.good() ); | |
121 | ||
122 | is >> h2; | |
d04e9b7f | 123 | VERIFY( h2 == 1000000 ); |
cfc45d90 | 124 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
d04e9b7f | 125 | h2 = 0; |
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126 | is.clear(); |
127 | ||
128 | is >> h2; | |
129 | VERIFY( h2 == 1000000 ); | |
130 | VERIFY( is.good() ); | |
131 | h2 = 0; | |
132 | ||
133 | is >> h2; | |
d04e9b7f | 134 | VERIFY( h2 == 1234567 ); |
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135 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); |
136 | VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); | |
137 | is.clear(); | |
138 | } | |
139 | ||
140 | int main() | |
141 | { | |
142 | test07(); | |
143 | return 0; | |
144 | } |