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1 | // 2004-08-22 Paolo Carlini <pcarlini@suse.de> |
2 | ||
99dee823 | 3 | // Copyright (C) 2004-2021 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 | // 22.2.2.2.1 num_put members | |
21 | ||
22 | #include <locale> | |
23 | #include <sstream> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | // According to 22.2.2.2.2, p23 and the resolution of DR 359 | |
27 | // val must be casted to a signed type: this can be revealed | |
28 | // by ios_base::showpos, which is effective only for signed | |
29 | // types (also see libstdc++/15565 about this). | |
30 | void test01() | |
31 | { | |
32 | using namespace std; | |
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33 | |
34 | // basic construction | |
35 | locale loc_c = locale::classic(); | |
36 | ||
37 | // sanity check the data is correct. | |
38 | const string empty; | |
39 | ||
40 | // cache the num_put facet | |
41 | ostringstream oss; | |
42 | oss.imbue(loc_c); | |
43 | const num_put<char>& np = use_facet<num_put<char> >(oss.getloc()); | |
44 | ||
45 | bool b = true; | |
46 | np.put(oss.rdbuf(), oss, ' ', b); | |
47 | VERIFY( oss.str() == "1" ); | |
48 | ||
49 | oss.str(empty); | |
50 | oss.clear(); | |
51 | oss.setf(ios_base::showpos); | |
52 | np.put(oss.rdbuf(), oss, ' ', b); | |
53 | VERIFY( oss.str() == "+1" ); | |
54 | } | |
55 | ||
56 | int main() | |
57 | { | |
58 | test01(); | |
59 | return 0; | |
60 | } |