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ea4a0888 MM |
1 | /* Self tests for scoped_fd for GDB, the GNU debugger. |
2 | ||
3 | Copyright (C) 2018 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | ||
22 | #include "common/scoped_fd.h" | |
23 | #include "config.h" | |
ea4a0888 MM |
24 | #include "selftest.h" |
25 | ||
26 | namespace selftests { | |
27 | namespace scoped_fd { | |
28 | ||
29 | /* Test that the file descriptor is closed. */ | |
30 | static void | |
31 | test_destroy () | |
32 | { | |
33 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
34 | int fd = mkstemp (filename); | |
35 | SELF_CHECK (fd >= 0); | |
36 | ||
37 | unlink (filename); | |
38 | errno = 0; | |
39 | { | |
40 | ::scoped_fd sfd (fd); | |
41 | ||
42 | SELF_CHECK (sfd.get () == fd); | |
43 | } | |
44 | ||
45 | SELF_CHECK (close (fd) == -1 && errno == EBADF); | |
46 | } | |
47 | ||
48 | /* Test that the file descriptor can be released. */ | |
49 | static void | |
50 | test_release () | |
51 | { | |
52 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
53 | int fd = mkstemp (filename); | |
54 | SELF_CHECK (fd >= 0); | |
55 | ||
56 | unlink (filename); | |
57 | errno = 0; | |
58 | { | |
59 | ::scoped_fd sfd (fd); | |
60 | ||
61 | SELF_CHECK (sfd.release () == fd); | |
62 | } | |
63 | ||
64 | SELF_CHECK (close (fd) == 0 || errno != EBADF); | |
65 | } | |
66 | ||
67 | /* Run selftests. */ | |
68 | static void | |
69 | run_tests () | |
70 | { | |
71 | test_destroy (); | |
72 | test_release (); | |
73 | } | |
74 | ||
75 | } /* namespace scoped_fd */ | |
76 | } /* namespace selftests */ | |
77 | ||
ea4a0888 MM |
78 | void |
79 | _initialize_scoped_fd_selftests () | |
80 | { | |
ea4a0888 MM |
81 | selftests::register_test ("scoped_fd", |
82 | selftests::scoped_fd::run_tests); | |
ea4a0888 | 83 | } |