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1 | // 2001-11-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
8d9254fc | 3 | // Copyright (C) 2001-2020 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 22.2.2.1.1 num_get members | |
21 | ||
22 | #include <locale> | |
23 | #include <sstream> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | // 2002-01-10 David Seymour <seymour_dj@yahoo.com> | |
27 | // libstdc++/5331 | |
28 | void test04() | |
29 | { | |
30 | using namespace std; | |
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31 | |
32 | // Check num_get works with other iterators besides streambuf | |
33 | // output iterators. (As long as output_iterator requirements are met.) | |
34 | typedef string::const_iterator iter_type; | |
35 | typedef num_get<char, iter_type> num_get_type; | |
36 | const ios_base::iostate goodbit = ios_base::goodbit; | |
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37 | ios_base::iostate err = ios_base::goodbit; |
38 | const locale loc_c = locale::classic(); | |
39 | const string str("20000106 Elizabeth Durack"); | |
40 | const string str2("0 true 0xbffff74c Durack"); | |
41 | ||
42 | istringstream iss; // need an ios, add my num_get facet | |
43 | iss.imbue(locale(loc_c, new num_get_type)); | |
44 | ||
45 | // Iterator advanced, state, output. | |
46 | const num_get_type& ng = use_facet<num_get_type>(iss.getloc()); | |
47 | ||
48 | // 01 get(long) | |
49 | // 02 get(long double) | |
50 | // 03 get(bool) | |
51 | // 04 get(void*) | |
52 | ||
53 | // 01 get(long) | |
54 | long i = 0; | |
55 | err = goodbit; | |
56 | iter_type end1 = ng.get(str.begin(), str.end(), iss, err, i); | |
57 | string rem1(end1, str.end()); | |
58 | VERIFY( err == goodbit ); | |
59 | VERIFY( i == 20000106); | |
60 | VERIFY( rem1 == " Elizabeth Durack" ); | |
61 | ||
62 | // 02 get(long double) | |
63 | long double ld = 0.0; | |
64 | err = goodbit; | |
65 | iter_type end2 = ng.get(str.begin(), str.end(), iss, err, ld); | |
66 | string rem2(end2, str.end()); | |
67 | VERIFY( err == goodbit ); | |
68 | VERIFY( ld == 20000106); | |
69 | VERIFY( rem2 == " Elizabeth Durack" ); | |
70 | ||
71 | // 03 get(bool) | |
72 | bool b = 1; | |
73 | iss.clear(); | |
74 | err = goodbit; | |
75 | iter_type end3 = ng.get(str2.begin(), str2.end(), iss, err, b); | |
76 | string rem3(end3, str2.end()); | |
77 | VERIFY( err == goodbit ); | |
78 | VERIFY( b == 0 ); | |
79 | VERIFY( rem3 == " true 0xbffff74c Durack" ); | |
80 | ||
81 | iss.clear(); | |
82 | err = goodbit; | |
83 | iss.setf(ios_base::boolalpha); | |
84 | iter_type end4 = ng.get(++end3, str2.end(), iss, err, b); | |
85 | string rem4(end4, str2.end()); | |
86 | VERIFY( err == goodbit ); | |
87 | VERIFY( b == true ); | |
88 | VERIFY( rem4 == " 0xbffff74c Durack" ); | |
89 | ||
90 | // 04 get(void*) | |
91 | void* v; | |
92 | iss.clear(); | |
93 | err = goodbit; | |
94 | iss.setf(ios_base::fixed, ios_base::floatfield); | |
95 | iter_type end5 = ng.get(++end4, str2.end(), iss, err, v); | |
96 | string rem5(end5, str2.end()); | |
97 | VERIFY( err == goodbit ); | |
98 | VERIFY( b == true ); | |
99 | VERIFY( rem5 == " Durack" ); | |
100 | } | |
101 | ||
102 | int main() | |
103 | { | |
104 | test04(); | |
105 | return 0; | |
106 | } | |
107 | ||
108 | ||
109 | // Kathleen Hannah, humanitarian, woman, art-thief |