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test: add uinput creation tests

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Peter Hutterer 2013-07-26 14:35:54 +10:00
parent 1acbfb3579
commit 21356cca57
3 changed files with 348 additions and 0 deletions
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1
test/Makefile.am
View file

@ -26,6 +26,7 @@ test_libevdev_SOURCES = \
test-libevdev-has-event.c \
test-int-queue.c \
test-libevdev-events.c \
test-uinput.c \
$(common_sources)
test_libevdev_LDADD = $(CHECK_LIBS) $(GCOV_LDFLAGS)

2
test/test-main.c
View file

@ -28,6 +28,7 @@ extern Suite *libevdev_init_test(void);
extern Suite *queue_suite(void);
extern Suite *libevdev_has_event_test(void);
extern Suite *libevdev_events(void);
extern Suite *uinput_suite(void);
int main(int argc, char **argv)
{
@ -38,6 +39,7 @@ int main(int argc, char **argv)
srunner_add_suite(sr, libevdev_init_test());
srunner_add_suite(sr, queue_suite());
srunner_add_suite(sr, event_name_suite());
srunner_add_suite(sr, uinput_suite());
srunner_run_all(sr, CK_NORMAL);
failed = srunner_ntests_failed(sr);

345
test/test-uinput.c Normal file
View file

@ -0,0 +1,345 @@
/*
* 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.
*/
#define _GNU_SOURCE
#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);
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_MAX; type++) {
int max = libevdev_get_event_type_max(type);
if (max == -1)
continue;
for (code = 0; code < 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);
rc = libevdev_uinput_create_from_device(dev, -1, &uidev);
ck_assert_int_eq(rc, -EBADF);
ck_assert(uidev == 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_MAX; type++) {
int max = libevdev_get_event_type_max(type);
if (max == -1)
continue;
for (code = 0; code < 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
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
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
Suite *
uinput_suite(void)
{
Suite *s = suite_create("libevdev uinput device tests");
TCase *tc = tcase_create("device creation");
tcase_add_test(tc, test_uinput_create_device);
tcase_add_test(tc, test_uinput_create_device_invalid);
tcase_add_test(tc, test_uinput_create_device_from_fd);
tcase_add_test(tc, test_uinput_check_syspath_time);
tcase_add_test(tc, test_uinput_check_syspath_name);
suite_add_tcase(s, tc);
tc = tcase_create("device events");
tcase_add_test(tc, test_uinput_events);
suite_add_tcase(s, tc);
return s;
}