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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
a945c346 | 3 | // Copyright (C) 2001-2024 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 | // 27.8.1.4 Overridden virtual functions | |
21 | ||
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22 | // { dg-require-fileio "" } |
23 | ||
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24 | #include <fstream> |
25 | #include <locale> | |
45cbe93c | 26 | #include <testsuite_hooks.h> |
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27 | |
28 | const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create | |
29 | ||
30 | class errorcvt : public std::codecvt<char, char, mbstate_t> | |
31 | { | |
32 | protected: | |
33 | std::codecvt_base::result | |
34 | do_out(mbstate_t&, const char* from, const char*, | |
35 | const char*& from_next, char* to, char*, | |
36 | char*& to_next) const | |
37 | { | |
38 | from_next = from; | |
39 | to_next = to; | |
40 | return std::codecvt<char, char, mbstate_t>::error; | |
41 | } | |
42 | ||
43 | virtual bool do_always_noconv() const throw() | |
44 | { | |
45 | return false; | |
46 | } | |
47 | }; | |
48 | ||
49 | // libstdc++/9182 | |
50 | // basic_filebuf<>::sync and overflow do not write out any characters | |
51 | // if codecvt<>::out returns error | |
52 | void test14() | |
53 | { | |
54 | using namespace std; | |
3c4d3154 | 55 | |
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56 | locale loc = locale::classic(); |
57 | loc = locale(loc, new errorcvt); | |
58 | ||
59 | filebuf fbuf1; | |
60 | fbuf1.pubimbue(loc); | |
61 | fbuf1.pubsetbuf(0, 0); | |
62 | fbuf1.open(name_07, ios_base::out | ios_base::trunc); | |
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63 | |
64 | try | |
65 | { | |
66 | fbuf1.sputn("onne", 4); | |
67 | fbuf1.close(); | |
45cbe93c | 68 | VERIFY( false ); |
ac3cadf0 | 69 | } |
3e9b6cf4 | 70 | catch (std::exception&) |
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71 | { |
72 | } | |
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73 | } |
74 | ||
11f10e6b | 75 | int main() |
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76 | { |
77 | test14(); | |
78 | return 0; | |
79 | } |