You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

146 lines
2.9 KiB

/*
* Copyright (c) 2015 Cedric Hnyda <chnyda@suse.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Create a virtual device (mouse), send events to /dev/uinput
* and check that the events are well received in /dev/input/mice
*/
#include <linux/input.h>
#include <linux/uinput.h>
#include "test.h"
#include "safe_macros.h"
#include "lapi/fcntl.h"
#include "input_helper.h"
#define NB_TEST 10
#define PS2_RIGHT_BTN 0x02
static void setup(void);
static void send_events(void);
static int check_events(void);
static void cleanup(void);
static int fd, fd2;
char *TCID = "input03";
int main(int ac, char **av)
{
int lc;
int pid;
tst_parse_opts(ac, av, NULL, NULL);
setup();
for (lc = 0; TEST_LOOPING(lc); ++lc) {
pid = tst_fork();
switch (pid) {
case 0:
send_events();
exit(0);
case -1:
tst_brkm(TBROK | TERRNO, cleanup, "fork() failed");
default:
if (check_events())
tst_resm(TFAIL, "Wrong data received");
else
tst_resm(TPASS,
"Data received in /dev/input/mice");
break;
}
SAFE_WAITPID(NULL, pid, NULL, 0);
}
cleanup();
tst_exit();
}
static void setup(void)
{
tst_require_root();
fd = open_uinput();
setup_mouse_events(fd);
SAFE_IOCTL(NULL, fd, UI_SET_EVBIT, EV_KEY);
SAFE_IOCTL(NULL, fd, UI_SET_KEYBIT, BTN_RIGHT);
create_device(fd);
fd2 = SAFE_OPEN(NULL, "/dev/input/mice", O_RDONLY);
}
static void send_events(void)
{
int nb;
for (nb = 0; nb < NB_TEST; ++nb) {
send_event(fd, EV_KEY, BTN_RIGHT, 1);
send_event(fd, EV_SYN, 0, 0);
usleep(1000);
send_event(fd, EV_KEY, BTN_RIGHT, 0);
send_event(fd, EV_SYN, 0, 0);
usleep(1000);
}
}
static int check_events(void)
{
int nb, rd, i, pressed = 0;
char buf[30];
nb = 0;
while (nb < NB_TEST) {
rd = read(fd2, buf, sizeof(buf));
if (rd < 0)
tst_brkm(TBROK | TERRNO, NULL, "read() failed");
if (rd % 3) {
tst_resm(TINFO, "read() returned %i", rd);
return 1;
}
for (i = 0; i < rd / 3; i++) {
if (buf[3*i] & PS2_RIGHT_BTN)
pressed = 1;
if (pressed == 1 && !(buf[3*i] & PS2_RIGHT_BTN)) {
pressed = 0;
nb++;
}
}
}
return nb != NB_TEST;
}
static void cleanup(void)
{
if (fd2 > 0 && close(fd2))
tst_resm(TWARN, "close(fd2) failed");
destroy_device(fd);
}