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ea4a0888 MM |
1 | /* Self tests for scoped_fd for GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | Copyright (C) 2018-2020 Free Software Foundation, Inc. |
ea4a0888 MM |
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 | ||
268a13a5 TT |
22 | #include "gdbsupport/filestuff.h" |
23 | #include "gdbsupport/scoped_fd.h" | |
ea4a0888 | 24 | #include "config.h" |
268a13a5 | 25 | #include "gdbsupport/selftest.h" |
ea4a0888 MM |
26 | |
27 | namespace selftests { | |
28 | namespace scoped_fd { | |
29 | ||
30 | /* Test that the file descriptor is closed. */ | |
31 | static void | |
32 | test_destroy () | |
33 | { | |
34 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
b3279b60 | 35 | int fd = gdb_mkostemp_cloexec (filename); |
ea4a0888 MM |
36 | SELF_CHECK (fd >= 0); |
37 | ||
38 | unlink (filename); | |
39 | errno = 0; | |
40 | { | |
41 | ::scoped_fd sfd (fd); | |
42 | ||
43 | SELF_CHECK (sfd.get () == fd); | |
44 | } | |
45 | ||
46 | SELF_CHECK (close (fd) == -1 && errno == EBADF); | |
47 | } | |
48 | ||
49 | /* Test that the file descriptor can be released. */ | |
50 | static void | |
51 | test_release () | |
52 | { | |
53 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
b3279b60 | 54 | int fd = gdb_mkostemp_cloexec (filename); |
ea4a0888 MM |
55 | SELF_CHECK (fd >= 0); |
56 | ||
57 | unlink (filename); | |
58 | errno = 0; | |
59 | { | |
60 | ::scoped_fd sfd (fd); | |
61 | ||
62 | SELF_CHECK (sfd.release () == fd); | |
63 | } | |
64 | ||
65 | SELF_CHECK (close (fd) == 0 || errno != EBADF); | |
66 | } | |
67 | ||
36033ef5 TT |
68 | /* Test that the file descriptor can be converted to a FILE *. */ |
69 | static void | |
70 | test_to_file () | |
71 | { | |
72 | char filename[] = "scoped_fd-selftest-XXXXXX"; | |
73 | ||
74 | ::scoped_fd sfd (gdb_mkostemp_cloexec (filename)); | |
75 | SELF_CHECK (sfd.get () >= 0); | |
76 | ||
77 | unlink (filename); | |
78 | ||
79 | gdb_file_up file = sfd.to_file ("rw"); | |
80 | SELF_CHECK (file != nullptr); | |
81 | SELF_CHECK (sfd.get () == -1); | |
82 | } | |
83 | ||
ea4a0888 MM |
84 | /* Run selftests. */ |
85 | static void | |
86 | run_tests () | |
87 | { | |
88 | test_destroy (); | |
89 | test_release (); | |
36033ef5 | 90 | test_to_file (); |
ea4a0888 MM |
91 | } |
92 | ||
93 | } /* namespace scoped_fd */ | |
94 | } /* namespace selftests */ | |
95 | ||
6c265988 | 96 | void _initialize_scoped_fd_selftests (); |
ea4a0888 MM |
97 | void |
98 | _initialize_scoped_fd_selftests () | |
99 | { | |
ea4a0888 MM |
100 | selftests::register_test ("scoped_fd", |
101 | selftests::scoped_fd::run_tests); | |
ea4a0888 | 102 | } |