]>
Commit | Line | Data |
---|---|---|
83ffe9cd | 1 | // Copyright (C) 2001-2023 Free Software Foundation, Inc. |
23cac885 BK |
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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
23cac885 BK |
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 | |
748086b7 JJ |
15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
23cac885 | 17 | |
0c20e4ec NS |
18 | // { dg-require-fileio "" } |
19 | ||
23cac885 BK |
20 | // 27.8.1.3 filebuf member functions |
21 | // @require@ %-*.tst %-*.txt | |
22 | // @diff@ %-*.tst %-*.txt | |
23 | ||
24 | // various tests for filebuf::open() and filebuf::close() including | |
25 | // the non-portable functionality in the libstdc++-v3 IO library | |
26 | ||
27 | #include <fstream> | |
28 | #include <ext/stdio_filebuf.h> | |
29 | #include <testsuite_hooks.h> | |
30 | ||
31 | // Verify that std::filebuf doesn't close files that it didn't open | |
32 | // when using the following std::filebuf ctor: | |
33 | // | |
34 | // std::filebuf(__c_file_type* __f, | |
35 | // ios_base::openmode __mode, | |
36 | // int_type __s); | |
37 | // | |
38 | // Thanks to "George T. Talbot" <george@moberg.com> for uncovering | |
39 | // this bug/situation. | |
40 | ||
41 | const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it | |
42 | const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create | |
43 | ||
44 | void test_02() | |
45 | { | |
8b5bc374 | 46 | int close_num = 0; |
23cac885 BK |
47 | |
48 | // read (ext) | |
49 | FILE* f2 = fopen(name_01, "r"); | |
8fc81078 | 50 | VERIFY( f2 ); |
23cac885 BK |
51 | if (f2) |
52 | { | |
53 | __gnu_cxx::stdio_filebuf<char> fb(f2, std::ios_base::in, 512); | |
54 | close_num = fclose(f2); | |
55 | } | |
56 | VERIFY( close_num == 0 ); | |
57 | ||
58 | // read (standard) | |
59 | FILE* f = fopen(name_01, "r"); | |
8fc81078 | 60 | VERIFY( f ); |
23cac885 BK |
61 | if (f) |
62 | { | |
63 | std::ifstream ifstream1(name_01); | |
64 | VERIFY( ifstream1.is_open() ); | |
65 | std::ios_base::iostate st01 = ifstream1.rdstate(); | |
66 | VERIFY( st01 == std::ios_base::goodbit ); | |
67 | close_num = fclose(f); | |
68 | } | |
69 | VERIFY( close_num == 0 ); | |
70 | } | |
71 | ||
72 | int | |
73 | main() | |
74 | { | |
75 | test_02(); | |
76 | return 0; | |
77 | } | |
78 | ||
79 |