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1 | // 2004-10-01 Paolo Carlini <pcarlini@suse.de> |
2 | ||
748086b7 | 3 | // Copyright (C) 2004, 2009 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 [lib.stringbuf.virtuals] | |
21 | ||
22 | #include <sstream> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | class my_stringbuf : public std::stringbuf | |
26 | { | |
27 | public: | |
28 | my_stringbuf(const std::string& str, std::ios_base::openmode mode) | |
29 | : std::stringbuf(str, mode) { } | |
30 | ||
31 | int_type | |
32 | pub_pbackfail(int_type c) | |
33 | { return this->pbackfail(c); } | |
34 | }; | |
35 | ||
36 | void test01() | |
37 | { | |
38 | bool test __attribute__((unused)) = true; | |
39 | using namespace std; | |
40 | ||
41 | typedef my_stringbuf::int_type int_type; | |
42 | typedef my_stringbuf::traits_type traits_type; | |
43 | ||
44 | my_stringbuf sbuf("any", ios_base::in | ios_base::out); | |
45 | ||
46 | int_type c = sbuf.sgetc(); | |
47 | VERIFY( c == 'a' ); | |
48 | ||
49 | c = sbuf.pub_pbackfail('z'); | |
50 | VERIFY( c == traits_type::eof() ); | |
51 | c = sbuf.sbumpc(); | |
52 | VERIFY( c == 'a' ); | |
53 | ||
54 | c = sbuf.pub_pbackfail('a'); | |
55 | VERIFY( c == 'a' ); | |
56 | c = sbuf.sbumpc(); | |
57 | VERIFY( c == 'a' ); | |
58 | ||
59 | c = sbuf.pub_pbackfail('x'); | |
60 | VERIFY( c == 'x' ); | |
61 | c = sbuf.sbumpc(); | |
62 | VERIFY( c == 'x' ); | |
63 | ||
64 | const int_type eof = traits_type::eof(); | |
65 | c = sbuf.pub_pbackfail(eof); | |
66 | VERIFY( c == traits_type::not_eof(eof) ); | |
67 | c = sbuf.sgetc(); | |
68 | VERIFY( c == 'x' ); | |
69 | } | |
70 | ||
71 | int main() | |
72 | { | |
73 | test01(); | |
74 | return 0; | |
75 | } |