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2aa89cbb | 1 | // { dg-options "-Wno-deprecated" } |
a945c346 | 2 | // Copyright (C) 2003-2024 Free Software Foundation, Inc. |
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3 | // |
4 | // This file is part of the GNU ISO C++ Library. This library is free | |
5 | // software; you can redistribute it and/or modify it under the | |
6 | // terms of the GNU General Public License as published by the | |
748086b7 | 7 | // Free Software Foundation; either version 3, or (at your option) |
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8 | // any later version. |
9 | ||
10 | // This library is distributed in the hope that it will be useful, | |
11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | // GNU General Public License for more details. | |
14 | ||
15 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
16 | // with this library; see the file COPYING3. If not see |
17 | // <http://www.gnu.org/licenses/>. | |
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18 | |
19 | #include <strstream> | |
20 | #include <testsuite_hooks.h> | |
21 | ||
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22 | class Buf : public std::strstreambuf |
23 | { | |
24 | public: | |
25 | Buf(const char* p, std::streamsize n) | |
26 | : std::strstreambuf(p, n) | |
27 | { } | |
28 | ||
29 | int_type pub_pbackfail(int_type c = traits_type::eof()) | |
30 | { | |
31 | return pbackfail(c); | |
32 | } | |
33 | }; | |
34 | ||
35 | // libstdc++/11460 | |
36 | void test01() | |
37 | { | |
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38 | typedef std::strstreambuf::traits_type Traits; |
39 | const char str[] = "a\xff"; | |
40 | ||
41 | Buf buf(str, 2); | |
42 | ||
43 | Traits::int_type a = Traits::to_int_type('a'); | |
44 | VERIFY( buf.sbumpc() == a ); | |
45 | VERIFY( buf.sungetc() == a ); | |
46 | VERIFY( buf.sbumpc() == a ); | |
47 | VERIFY( buf.sputbackc('a') == a ); | |
48 | VERIFY( buf.sbumpc() == a ); | |
49 | VERIFY( buf.pub_pbackfail() != Traits::eof() ); | |
50 | VERIFY( buf.sbumpc() == a ); | |
51 | VERIFY( buf.pub_pbackfail(a) == a ); | |
52 | buf.sbumpc(); | |
53 | ||
54 | Traits::int_type xff = Traits::to_int_type('\xff'); | |
55 | VERIFY( buf.sbumpc() == xff ); | |
56 | VERIFY( buf.sungetc() == xff ); | |
57 | VERIFY( buf.sbumpc() == xff ); | |
58 | VERIFY( buf.sputbackc('\xff') == xff ); | |
59 | VERIFY( buf.sbumpc() == xff ); | |
60 | VERIFY( buf.pub_pbackfail() != Traits::eof() ); | |
61 | VERIFY( buf.sbumpc() == xff ); | |
62 | VERIFY( buf.pub_pbackfail(xff) == xff ); | |
63 | } | |
64 | ||
65 | int main() | |
66 | { | |
67 | test01(); | |
68 | return 0; | |
69 | } |