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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" | |
24 | ||
25 | #ifdef HAVE_UNISTD_H | |
26 | ||
27 | #include "selftest.h" | |
28 | ||
29 | namespace selftests { | |
30 | namespace scoped_fd { | |
31 | ||
32 | /* Test that the file descriptor is closed. */ | |
33 | static void | |
34 | test_destroy () | |
35 | { | |
36 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
37 | int fd = mkstemp (filename); | |
38 | SELF_CHECK (fd >= 0); | |
39 | ||
40 | unlink (filename); | |
41 | errno = 0; | |
42 | { | |
43 | ::scoped_fd sfd (fd); | |
44 | ||
45 | SELF_CHECK (sfd.get () == fd); | |
46 | } | |
47 | ||
48 | SELF_CHECK (close (fd) == -1 && errno == EBADF); | |
49 | } | |
50 | ||
51 | /* Test that the file descriptor can be released. */ | |
52 | static void | |
53 | test_release () | |
54 | { | |
55 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
56 | int fd = mkstemp (filename); | |
57 | SELF_CHECK (fd >= 0); | |
58 | ||
59 | unlink (filename); | |
60 | errno = 0; | |
61 | { | |
62 | ::scoped_fd sfd (fd); | |
63 | ||
64 | SELF_CHECK (sfd.release () == fd); | |
65 | } | |
66 | ||
67 | SELF_CHECK (close (fd) == 0 || errno != EBADF); | |
68 | } | |
69 | ||
70 | /* Run selftests. */ | |
71 | static void | |
72 | run_tests () | |
73 | { | |
74 | test_destroy (); | |
75 | test_release (); | |
76 | } | |
77 | ||
78 | } /* namespace scoped_fd */ | |
79 | } /* namespace selftests */ | |
80 | ||
81 | #endif /* HAVE_UNISTD_H */ | |
82 | ||
83 | void | |
84 | _initialize_scoped_fd_selftests () | |
85 | { | |
86 | #ifdef HAVE_UNISTD_H | |
87 | selftests::register_test ("scoped_fd", | |
88 | selftests::scoped_fd::run_tests); | |
89 | #endif | |
90 | } |