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libevdev/test/test-uinput.c
Niclas Zeising 4194023122 tests: Add FreeBSD specific tests 
Add two FreeBSD specific tests:
test_uinput_check_devnode_bsd checks that libevdev_uinput_get_devnode()
returns something sensible.  This is modelled on the Linux test
test_uinput_check_syspath_name, but uses devnode instead of syspath, since
reeBSD doesn't have sysfs.
test_uinput_check_syspath_bsd checks that libevdev_uinput_get_syspath()
always returns NULL.

Signed-off-by: Niclas Zeising <zeising@daemonic.se>
2020-08-14 17:50:56 +02:00

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/*
* Copyright © 2013 Red Hat, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include "config.h"
#include <linux/input.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <libevdev/libevdev-uinput.h>
#include "test-common.h"
#define UINPUT_NODE "/dev/uinput"
START_TEST(test_uinput_create_device)
{
struct libevdev *dev, *dev2;
struct libevdev_uinput *uidev;
int fd, uinput_fd;
unsigned int type, code;
int rc;
const char *devnode;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_MAX, NULL);
rc = libevdev_uinput_create_from_device(dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
uinput_fd = libevdev_uinput_get_fd(uidev);
ck_assert_int_gt(uinput_fd, -1);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd = open(devnode, O_RDONLY);
ck_assert_int_gt(fd, -1);
rc = libevdev_new_from_fd(fd, &dev2);
ck_assert_int_eq(rc, 0);
for (type = 0; type < EV_CNT; type++) {
int max = libevdev_event_type_get_max(type);
if (max == -1)
continue;
for (code = 0; code < (unsigned int)max; code++) {
ck_assert_int_eq(libevdev_has_event_code(dev, type, code),
libevdev_has_event_code(dev2, type, code));
}
}
libevdev_free(dev);
libevdev_free(dev2);
libevdev_uinput_destroy(uidev);
close(fd);
/* uinput fd is managed, so make sure it did get closed */
ck_assert_int_eq(close(uinput_fd), -1);
ck_assert_int_eq(errno, EBADF);
}
END_TEST
START_TEST(test_uinput_create_device_invalid)
{
struct libevdev *dev;
struct libevdev_uinput *uidev = NULL;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_set_log_function(test_logfunc_ignore_error, NULL);
rc = libevdev_uinput_create_from_device(dev, -1, &uidev);
ck_assert_int_eq(rc, -EBADF);
ck_assert(uidev == NULL);
libevdev_set_log_function(test_logfunc_abort_on_error, NULL);
libevdev_free(dev);
}
END_TEST
START_TEST(test_uinput_create_device_from_fd)
{
struct libevdev *dev, *dev2;
struct libevdev_uinput *uidev;
int fd, fd2;
unsigned int type, code;
int rc;
const char *devnode;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
ck_assert_int_eq(libevdev_uinput_get_fd(uidev), fd);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd2 = open(devnode, O_RDONLY);
ck_assert_int_gt(fd2, -1);
rc = libevdev_new_from_fd(fd2, &dev2);
ck_assert_int_eq(rc, 0);
for (type = 0; type < EV_CNT; type++) {
int max = libevdev_event_type_get_max(type);
if (max == -1)
continue;
for (code = 0; code < (unsigned int)max; code++) {
ck_assert_int_eq(libevdev_has_event_code(dev, type, code),
libevdev_has_event_code(dev2, type, code));
}
}
libevdev_free(dev);
libevdev_free(dev2);
libevdev_uinput_destroy(uidev);
close(fd);
close(fd2);
}
END_TEST
#ifdef __FreeBSD__
START_TEST(test_uinput_check_devnode_bsd)
{
struct libevdev *dev;
struct libevdev_uinput *uidev, *uidev2;
const char *devnode, *devnode2;
int fd, fd2;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
fd2 = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd2, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
/* create a second one */
libevdev_set_name(dev, TEST_DEVICE_NAME " 2");
rc = libevdev_uinput_create_from_device(dev, fd2, &uidev2);
ck_assert_int_eq(rc, 0);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
/* get syspath twice returns same pointer */
devnode2 = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode == devnode2);
/* second dev has different devnode */
devnode2 = libevdev_uinput_get_devnode(uidev2);
ck_assert(strcmp(devnode, devnode2) != 0);
libevdev_uinput_destroy(uidev2);
libevdev_uinput_destroy(uidev);
close(fd2);
close(fd);
libevdev_free(dev);
}
END_TEST
START_TEST(test_uinput_check_syspath_bsd)
{
struct libevdev *dev;
struct libevdev_uinput *uidev;
const char *syspath;
int fd;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
syspath = libevdev_uinput_get_syspath(uidev);
/* FreeBSD should always return NULL for libevdev_unput_get_syspath() */
ck_assert(syspath == NULL);
libevdev_uinput_destroy(uidev);
close(fd);
libevdev_free(dev);
}
END_TEST
#else /* !__FreeBSD__ */
START_TEST(test_uinput_check_syspath_time)
{
struct libevdev *dev;
struct libevdev_uinput *uidev, *uidev2;
const char *syspath, *syspath2;
int fd, fd2;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
fd2 = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd2, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
/* sleep for 1.5 seconds. sysfs resolution is 1 second, so
creating both devices without delay means
libevdev_uinput_get_syspath can't actually differ between
them. By waiting, we get different ctime for uidev and uidev2,
and exercise that part of the code.
*/
usleep(1500000);
/* create a second one to test the syspath time filtering code */
rc = libevdev_uinput_create_from_device(dev, fd2, &uidev2);
ck_assert_int_eq(rc, 0);
syspath = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath != NULL);
/* get syspath twice returns same pointer */
syspath2 = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath == syspath2);
/* second dev has different syspath */
syspath2 = libevdev_uinput_get_syspath(uidev2);
ck_assert(strcmp(syspath, syspath2) != 0);
libevdev_free(dev);
libevdev_uinput_destroy(uidev);
libevdev_uinput_destroy(uidev2);
close(fd);
close(fd2);
}
END_TEST
START_TEST(test_uinput_check_syspath_name)
{
struct libevdev *dev;
struct libevdev_uinput *uidev, *uidev2;
const char *syspath, *syspath2;
int fd, fd2;
int rc;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
fd2 = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd2, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
/* create a second one to stress the syspath filtering code */
libevdev_set_name(dev, TEST_DEVICE_NAME " 2");
rc = libevdev_uinput_create_from_device(dev, fd2, &uidev2);
ck_assert_int_eq(rc, 0);
syspath = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath != NULL);
/* get syspath twice returns same pointer */
syspath2 = libevdev_uinput_get_syspath(uidev);
ck_assert(syspath == syspath2);
/* second dev has different syspath */
syspath2 = libevdev_uinput_get_syspath(uidev2);
ck_assert(strcmp(syspath, syspath2) != 0);
libevdev_free(dev);
libevdev_uinput_destroy(uidev);
libevdev_uinput_destroy(uidev2);
close(fd);
close(fd2);
}
END_TEST
#endif /* __FreeBSD __ */
START_TEST(test_uinput_events)
{
struct libevdev *dev;
struct libevdev_uinput *uidev;
int fd, fd2;
int rc;
const char *devnode;
int i;
const int nevents = 5;
struct input_event events[] = { {{0, 0}, EV_REL, REL_X, 1},
{{0, 0}, EV_REL, REL_Y, -1},
{{0, 0}, EV_SYN, SYN_REPORT, 0},
{{0, 0}, EV_KEY, BTN_LEFT, 1},
{{0, 0}, EV_SYN, SYN_REPORT, 0}};
struct input_event events_read[nevents];
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_type(dev, EV_KEY);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_enable_event_code(dev, EV_KEY, BTN_LEFT, NULL);
fd = open(UINPUT_NODE, O_RDWR);
ck_assert_int_gt(fd, -1);
rc = libevdev_uinput_create_from_device(dev, fd, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd2 = open(devnode, O_RDONLY);
for (i = 0; i < nevents; i++)
libevdev_uinput_write_event(uidev, events[i].type, events[i].code, events[i].value);
rc = read(fd2, events_read, sizeof(events_read));
ck_assert_int_eq(rc, sizeof(events_read));
for (i = 0; i < nevents; i++) {
ck_assert_int_eq(events[i].type, events_read[i].type);
ck_assert_int_eq(events[i].code, events_read[i].code);
ck_assert_int_eq(events[i].value, events_read[i].value);
}
libevdev_free(dev);
libevdev_uinput_destroy(uidev);
close(fd);
close(fd2);
}
END_TEST
START_TEST(test_uinput_properties)
{
struct libevdev *dev, *dev2;
struct libevdev_uinput *uidev;
int fd;
int rc;
const char *devnode;
dev = libevdev_new();
ck_assert(dev != NULL);
libevdev_set_name(dev, TEST_DEVICE_NAME);
libevdev_enable_event_type(dev, EV_SYN);
libevdev_enable_event_type(dev, EV_REL);
libevdev_enable_event_type(dev, EV_KEY);
libevdev_enable_event_code(dev, EV_REL, REL_X, NULL);
libevdev_enable_event_code(dev, EV_REL, REL_Y, NULL);
libevdev_enable_event_code(dev, EV_KEY, BTN_LEFT, NULL);
libevdev_enable_property(dev, INPUT_PROP_BUTTONPAD);
libevdev_enable_property(dev, INPUT_PROP_MAX);
rc = libevdev_uinput_create_from_device(dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &uidev);
ck_assert_int_eq(rc, 0);
ck_assert(uidev != NULL);
devnode = libevdev_uinput_get_devnode(uidev);
ck_assert(devnode != NULL);
fd = open(devnode, O_RDONLY);
ck_assert_int_gt(fd, -1);
rc = libevdev_new_from_fd(fd, &dev2);
ck_assert_int_eq(rc, 0);
ck_assert(libevdev_has_property(dev2, INPUT_PROP_BUTTONPAD));
ck_assert(libevdev_has_property(dev2, INPUT_PROP_MAX));
libevdev_free(dev);
libevdev_free(dev2);
libevdev_uinput_destroy(uidev);
close(fd);
}
END_TEST
TEST_SUITE_ROOT_PRIVILEGES(uinput_suite)
{
Suite *s = suite_create("libevdev uinput device tests");
add_test(s, test_uinput_create_device);
add_test(s, test_uinput_create_device_invalid);
add_test(s, test_uinput_create_device_from_fd);
#ifdef __FreeBSD__
add_test(s, test_uinput_check_devnode_bsd);
add_test(s, test_uinput_check_syspath_bsd);
#else
add_test(s, test_uinput_check_syspath_time);
add_test(s, test_uinput_check_syspath_name);
#endif
add_test(s, test_uinput_events);
add_test(s, test_uinput_properties);
return s;
}
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