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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
99dee823 | 3 | // Copyright (C) 2001-2021 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 | // 27.7.1.3 Overridden virtual functions | |
21 | ||
22 | #include <sstream> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | bool over_called; | |
26 | ||
27 | class Derived_stringbuf : public std::wstringbuf | |
28 | { | |
29 | public: | |
30 | int_type overflow(int_type c) | |
31 | { | |
32 | over_called = true; | |
33 | return std::wstringbuf::overflow(c); | |
34 | } | |
35 | ||
36 | const char_type* pub_epptr() const | |
37 | { | |
38 | return epptr(); | |
39 | } | |
40 | ||
41 | const char_type* pub_pptr() const | |
42 | { | |
43 | return pptr(); | |
44 | } | |
45 | }; | |
46 | ||
47 | // libstdc++/9404 | |
48 | void test04() | |
49 | { | |
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50 | bool over_expected; |
51 | ||
52 | // sputc | |
53 | Derived_stringbuf dsbuf_01; | |
54 | over_called = false; | |
55 | dsbuf_01.sputc(L'i'); | |
56 | VERIFY( over_called ); | |
57 | over_expected = dsbuf_01.pub_epptr() == dsbuf_01.pub_pptr(); | |
58 | over_called = false; | |
59 | dsbuf_01.sputc(L'v'); | |
60 | VERIFY( (!over_expected && !over_called) | |
61 | || (over_expected && over_called) ); | |
62 | dsbuf_01.sputc(L'i'); | |
63 | VERIFY( dsbuf_01.str() == L"ivi" ); // Sanity check. | |
64 | } | |
65 | ||
66 | int main() | |
67 | { | |
68 | test04(); | |
69 | return 0; | |
70 | } |