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f1717362 | 1 | // Copyright (C) 2003-2016 Free Software Foundation, Inc. |
13a05508 | 2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6bc9506f | 6 | // Free Software Foundation; either version 3, or (at your option) |
13a05508 | 7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
13a05508 | 17 | |
18 | // 27.5.2.2.3 Get area | |
19 | ||
b14642ed | 20 | // { dg-require-fileio "" } |
21 | ||
13a05508 | 22 | #include <fstream> |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | class Derived_fbuf : public std::filebuf | |
26 | { | |
27 | public: | |
28 | const char_type* pub_egptr() const | |
29 | { return egptr(); } | |
30 | ||
31 | const char_type* pub_gptr() const | |
32 | { return gptr(); } | |
33 | }; | |
34 | ||
35 | // libstdc++/9701 (in_avail) | |
36 | void test01() | |
37 | { | |
38 | using namespace std; | |
f8ef786c | 39 | bool test __attribute__((unused)) = true; |
13a05508 | 40 | const char* name = "tmp_file1"; |
41 | ||
42 | Derived_fbuf df2; | |
43 | df2.open(name, ios_base::in | ios_base::out | ios_base::trunc); | |
44 | ||
45 | df2.sputn("Comomoc", 7); | |
46 | ||
47 | df2.pubseekoff(0, ios_base::beg); | |
48 | df2.sbumpc(); | |
49 | df2.sputbackc('t'); | |
50 | ||
51 | VERIFY( df2.pub_gptr() < df2.pub_egptr() ); | |
52 | VERIFY( df2.in_avail() == df2.pub_egptr() - df2.pub_gptr() ); | |
53 | } | |
54 | ||
55 | int | |
56 | main() | |
57 | { | |
58 | test01(); | |
59 | return 0; | |
60 | } |