1 /*
2 * Copyright (c) 2015 Cedric Hnyda <chnyda@suse.com>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it would 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
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 /*
20 * Create a virtual device (mouse), send empty events to /dev/uinput
21 * and check that the events are not received in /dev/inputX
22 */
23
24 #include <linux/input.h>
25
26 #include "test.h"
27 #include "safe_macros.h"
28 #include "lapi/fcntl.h"
29 #include "input_helper.h"
30
31 #define NB_TEST 20
32
33 static void setup(void);
34 static void send_events(void);
35 static void cleanup(void);
36
37 static int fd, fd2;
38
39 char *TCID = "input04";
40
main(int ac,char ** av)41 int main(int ac, char **av)
42 {
43 int lc;
44 int pid;
45
46 tst_parse_opts(ac, av, NULL, NULL);
47
48 setup();
49
50 for (lc = 0; TEST_LOOPING(lc); ++lc) {
51 pid = tst_fork();
52
53 switch (pid) {
54 case 0:
55 send_events();
56 exit(0);
57 case -1:
58 tst_brkm(TBROK | TERRNO, cleanup, "fork() failed");
59 default:
60 if (no_events_queued(fd2, 1))
61 tst_resm(TPASS,
62 "No data received in /dev/inputX");
63 else
64 tst_resm(TFAIL,
65 "Data received /dev/inputX");
66 break;
67 }
68
69 SAFE_WAITPID(NULL, pid, NULL, 0);
70 }
71
72 cleanup();
73 tst_exit();
74 }
75
setup(void)76 static void setup(void)
77 {
78 tst_require_root();
79
80 fd = open_uinput();
81 setup_mouse_events(fd);
82 create_device(fd);
83
84 fd2 = open_device();
85 }
86
send_events(void)87 static void send_events(void)
88 {
89 int nb;
90
91 for (nb = 0; nb < NB_TEST; ++nb) {
92 send_rel_move(fd, 0, 0);
93 usleep(1000);
94 }
95 }
96
cleanup(void)97 static void cleanup(void)
98 {
99 if (fd2 > 0 && close(fd2))
100 tst_resm(TWARN | TERRNO, "close(fd2)");
101
102 destroy_device(fd);
103 }
104