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1 | // 2003-02-06 Petur Runolfsson <peturr02@ru.is> |
2 | ||
8d9254fc | 3 | // Copyright (C) 2003-2020 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 | // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] | |
21 | ||
22 | #include <locale> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | bool length_called = false; | |
26 | ||
27 | class length_codecvt : public std::codecvt<char, char, std::mbstate_t> | |
28 | { | |
29 | typedef std::codecvt<char, char, std::mbstate_t> c_codecvt; | |
30 | ||
31 | public: | |
32 | // DR75: type of first argument of do_length is state_type& | |
33 | virtual int do_length(state_type& state, const extern_type* from, | |
34 | const extern_type* end, std::size_t max) const | |
35 | { | |
36 | length_called = true; | |
37 | return c_codecvt::do_length(state, from, end, max); | |
38 | } | |
39 | }; | |
40 | ||
41 | // Required instantiation, degenerate conversion. | |
42 | // codecvt<char, char, mbstate_t> | |
43 | // | |
44 | // libstdc++/9224 | |
45 | void test02() | |
46 | { | |
47 | using namespace std; | |
48 | typedef codecvt_base::result result; | |
49 | typedef codecvt<char, char, mbstate_t> c_codecvt; | |
50 | ||
e61c8e23 | 51 | const char* c_lit = "black pearl jasmine tea"; |
7919bb2f | 52 | int size = 23; |
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53 | |
54 | locale loc (locale::classic(), new length_codecvt); | |
55 | c_codecvt::state_type state; | |
56 | const c_codecvt* cvt = &use_facet<c_codecvt>(loc); | |
57 | ||
58 | length_called = false; | |
59 | cvt->length(state, c_lit, c_lit + size, 5); | |
60 | VERIFY( length_called ); | |
61 | } | |
62 | ||
63 | int main () | |
64 | { | |
65 | test02(); | |
66 | return 0; | |
67 | } |