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1 | // Copyright (C) 2000 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 2, 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 COPYING. If not, write to the Free | |
16 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
17 | // USA. | |
18 | ||
19 | // 27.8.1.3 filebuf member functions | |
db353c2c GDR |
20 | // @require@ %-*.tst %-*.txt |
21 | // @diff@ %-*.tst %-*.txt | |
ba5fbc87 BK |
22 | |
23 | // various tests for filebuf::open() and filebuf::close() including | |
24 | // the non-portable functionality in the libstdc++-v3 IO library | |
25 | ||
26 | #include <fstream> | |
27 | #include <cassert> | |
28 | #include <unistd.h> | |
29 | #include <fcntl.h> | |
aa1b2f7d | 30 | #include <debug_assert.h> |
ba5fbc87 BK |
31 | |
32 | // verify that std::filebuf doesn't close files that it didn't open | |
33 | // when using the following std::filebuf ctor: | |
34 | // | |
35 | // std::filebuf(int __fd, | |
36 | // const char* __unused, | |
37 | // ios_base::openmode __mode); | |
38 | // | |
39 | // thanks to "George T. Talbot" <george@moberg.com> for uncovering | |
40 | // this bug/situation. | |
41 | ||
db353c2c GDR |
42 | const char name_01[] = "filebuf_members-1.tst"; |
43 | const char name_02[] = "filebuf_members-1.txt"; | |
ba5fbc87 BK |
44 | |
45 | int | |
46 | test_01() | |
47 | { | |
48 | bool test = true; | |
49 | int close_num; | |
50 | ||
51 | // read (ext) | |
5fa9abc3 BK |
52 | FILE* f2 = fopen(name_01, "r"); |
53 | VERIFY( f2 != NULL ); | |
ba5fbc87 | 54 | { |
39003c99 | 55 | std::filebuf fb(f2, std::ios_base::in, 512); |
ba5fbc87 | 56 | } |
5fa9abc3 | 57 | close_num = fclose(f2); |
aa1b2f7d | 58 | VERIFY( close_num == 0 ); |
ba5fbc87 BK |
59 | |
60 | ||
61 | // read (standard) | |
644638bc | 62 | FILE* f = fopen(name_01, "r"); |
aa1b2f7d | 63 | VERIFY( f != NULL ); |
ba5fbc87 | 64 | { |
644638bc | 65 | std::ifstream ifstream1(name_01); |
aa1b2f7d | 66 | VERIFY( ifstream1.is_open() ); |
ba5fbc87 | 67 | std::ios_base::iostate st01 = ifstream1.rdstate(); |
aa1b2f7d | 68 | VERIFY( st01 == std::ios_base::goodbit ); |
ba5fbc87 | 69 | } |
ba5fbc87 | 70 | close_num = fclose(f); |
aa1b2f7d | 71 | VERIFY( close_num == 0 ); |
ba5fbc87 BK |
72 | |
73 | ||
74 | #ifdef DEBUG_ASSERT | |
75 | assert(test); | |
76 | #endif | |
77 | ||
78 | return test; | |
79 | } | |
80 | ||
81 | ||
82 | int | |
83 | main() | |
84 | { | |
85 | test_01(); | |
86 | return 0; | |
87 | } |