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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> | |
2 | ||
3 | // Copyright (C) 2001-2024 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | // 27.8.1.4 Overridden virtual functions | |
21 | ||
22 | // { dg-require-fileio "" } | |
23 | ||
24 | #include <fstream> | |
25 | #include <locale> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
28 | const char name_04[] = "filebuf_virtuals-4.txt"; // empty file, need to create | |
29 | ||
30 | class Cvt_to_upper : public std::codecvt<char, char, mbstate_t> | |
31 | { | |
32 | bool do_always_noconv() const throw() | |
33 | { | |
34 | return false; | |
35 | } | |
36 | }; | |
37 | ||
38 | // libstdc++/9169 | |
39 | // filebuf output fails if codecvt<>::out returns noconv | |
40 | void test10() | |
41 | { | |
42 | using namespace std; | |
43 | ||
44 | locale c_loc = locale::classic(); | |
45 | locale loc(c_loc, new Cvt_to_upper); | |
46 | ||
47 | string str("abcdefghijklmnopqrstuvwxyz"); | |
48 | string tmp; | |
49 | ||
50 | { | |
51 | ofstream out; | |
52 | out.imbue(loc); | |
53 | out.open(name_04); | |
54 | copy(str.begin(), str.end(), ostreambuf_iterator<char>(out)); | |
55 | } | |
56 | ||
57 | { | |
58 | ifstream in; | |
59 | in.open(name_04); | |
60 | copy(istreambuf_iterator<char>(in), istreambuf_iterator<char>(), | |
61 | back_inserter(tmp)); | |
62 | } | |
63 | ||
64 | VERIFY( tmp.size() == str.size() ); | |
65 | VERIFY( tmp == str ); | |
66 | } | |
67 | ||
68 | int main() | |
69 | { | |
70 | test10(); | |
71 | return 0; | |
72 | } |