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1 // Copyright (C) 2003-2024 Free Software Foundation, Inc.
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
6 // Free Software Foundation; either version 3, or (at your option)
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
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
17
18 // 27.8.1.3 filebuf member functions
19
20 // { dg-require-fileio "" }
21
22 #include <locale>
23 #include <fstream>
24 #include <testsuite_hooks.h>
25 #include <testsuite_character.h>
26
27 // libstdc++/12790
28 void test01()
29 {
30 using namespace std;
31 using __gnu_test::pod_uchar;
32 typedef basic_filebuf<pod_uchar>::traits_type traits_type;
33
34 const char* name = "tmp_open_12790";
35
36 locale loc(locale::classic(),
37 new codecvt<traits_type::char_type, char,
38 traits_type::state_type>);
39
40 basic_filebuf<pod_uchar> fb;
41 fb.pubimbue(loc);
42
43 fb.open(name, ios_base::out);
44 fb.sputc(pod_uchar::from<char>('b'));
45 fb.close();
46
47 // Check that reopened basic_filebuf begins in the initial state.
48 fb.open(name, ios_base::in);
49 traits_type::int_type c = fb.sbumpc();
50 VERIFY( c != traits_type::eof() );
51 VERIFY( traits_type::eq(traits_type::to_char_type(c),
52 pod_uchar::from<char>('b')) );
53 fb.close();
54 }
55
56 int main()
57 {
58 test01();
59 return 0;
60 }