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libinput/test/misc.c
Peter Hutterer 0e64837f30 touchpad: parse the TOUCHPAD_RESOLUTION property 
Not all touchpad kernel drivers supply the x/y resolution. Let the udev hwdb
fix this up where possible and read the value from it.

This is intentionally only used on touchpads, touchscreen devices without
resolution should be considered buggy and fixed in the kernel.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
2015-03-17 15:13:55 +10:00

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/*
* Copyright © 2014 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 <check.h>
#include <errno.h>
#include <fcntl.h>
#include <libinput.h>
#include <libinput-util.h>
#include <unistd.h>
#include "litest.h"
static int open_restricted(const char *path, int flags, void *data)
{
int fd = open(path, flags);
return fd < 0 ? -errno : fd;
}
static void close_restricted(int fd, void *data)
{
close(fd);
}
const struct libinput_interface simple_interface = {
.open_restricted = open_restricted,
.close_restricted = close_restricted,
};
static struct libevdev_uinput *
create_simple_test_device(const char *name, ...)
{
va_list args;
struct libevdev_uinput *uinput;
struct libevdev *evdev;
unsigned int type, code;
int rc;
struct input_absinfo abs = {
.value = -1,
.minimum = 0,
.maximum = 100,
.fuzz = 0,
.flat = 0,
.resolution = 100,
};
evdev = libevdev_new();
ck_assert(evdev != NULL);
libevdev_set_name(evdev, name);
va_start(args, name);
while ((type = va_arg(args, unsigned int)) != (unsigned int)-1 &&
(code = va_arg(args, unsigned int)) != (unsigned int)-1) {
const struct input_absinfo *a = NULL;
if (type == EV_ABS)
a = &abs;
libevdev_enable_event_code(evdev, type, code, a);
}
va_end(args);
rc = libevdev_uinput_create_from_device(evdev,
LIBEVDEV_UINPUT_OPEN_MANAGED,
&uinput);
ck_assert_int_eq(rc, 0);
libevdev_free(evdev);
return uinput;
}
START_TEST(event_conversion_device_notify)
{
struct libevdev_uinput *uinput;
struct libinput *li;
struct libinput_event *event;
int device_added = 0, device_removed = 0;
uinput = create_simple_test_device("litest test device",
EV_REL, REL_X,
EV_REL, REL_Y,
EV_KEY, BTN_LEFT,
EV_KEY, BTN_MIDDLE,
EV_KEY, BTN_LEFT,
-1, -1);
li = libinput_path_create_context(&simple_interface, NULL);
libinput_path_add_device(li, libevdev_uinput_get_devnode(uinput));
libinput_dispatch(li);
libinput_suspend(li);
libinput_resume(li);
while ((event = libinput_get_event(li))) {
enum libinput_event_type type;
type = libinput_event_get_type(event);
if (type == LIBINPUT_EVENT_DEVICE_ADDED ||
type == LIBINPUT_EVENT_DEVICE_REMOVED) {
struct libinput_event_device_notify *dn;
struct libinput_event *base;
dn = libinput_event_get_device_notify_event(event);
base = libinput_event_device_notify_get_base_event(dn);
ck_assert(event == base);
if (type == LIBINPUT_EVENT_DEVICE_ADDED)
device_added++;
else if (type == LIBINPUT_EVENT_DEVICE_REMOVED)
device_removed++;
litest_disable_log_handler(li);
ck_assert(libinput_event_get_pointer_event(event) == NULL);
ck_assert(libinput_event_get_keyboard_event(event) == NULL);
ck_assert(libinput_event_get_touch_event(event) == NULL);
litest_restore_log_handler(li);
}
libinput_event_destroy(event);
}
libinput_unref(li);
libevdev_uinput_destroy(uinput);
ck_assert_int_gt(device_added, 0);
ck_assert_int_gt(device_removed, 0);
}
END_TEST
START_TEST(event_conversion_pointer)
{
struct litest_device *dev = litest_current_device();
struct libinput *li = dev->libinput;
struct libinput_event *event;
int motion = 0, button = 0;
/* Queue at least two relative motion events as the first one may
* be absorbed by the pointer acceleration filter. */
litest_event(dev, EV_REL, REL_X, -1);
litest_event(dev, EV_REL, REL_Y, -1);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
litest_event(dev, EV_REL, REL_X, -1);
litest_event(dev, EV_REL, REL_Y, -1);
litest_event(dev, EV_KEY, BTN_LEFT, 1);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
libinput_dispatch(li);
while ((event = libinput_get_event(li))) {
enum libinput_event_type type;
type = libinput_event_get_type(event);
if (type == LIBINPUT_EVENT_POINTER_MOTION ||
type == LIBINPUT_EVENT_POINTER_BUTTON) {
struct libinput_event_pointer *p;
struct libinput_event *base;
p = libinput_event_get_pointer_event(event);
base = libinput_event_pointer_get_base_event(p);
ck_assert(event == base);
if (type == LIBINPUT_EVENT_POINTER_MOTION)
motion++;
else if (type == LIBINPUT_EVENT_POINTER_BUTTON)
button++;
litest_disable_log_handler(li);
ck_assert(libinput_event_get_device_notify_event(event) == NULL);
ck_assert(libinput_event_get_keyboard_event(event) == NULL);
ck_assert(libinput_event_get_touch_event(event) == NULL);
litest_restore_log_handler(li);
}
libinput_event_destroy(event);
}
ck_assert_int_gt(motion, 0);
ck_assert_int_gt(button, 0);
}
END_TEST
START_TEST(event_conversion_pointer_abs)
{
struct litest_device *dev = litest_current_device();
struct libinput *li = dev->libinput;
struct libinput_event *event;
int motion = 0, button = 0;
litest_event(dev, EV_ABS, ABS_X, 10);
litest_event(dev, EV_ABS, ABS_Y, 50);
litest_event(dev, EV_KEY, BTN_LEFT, 1);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
litest_event(dev, EV_ABS, ABS_X, 30);
litest_event(dev, EV_ABS, ABS_Y, 30);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
libinput_dispatch(li);
while ((event = libinput_get_event(li))) {
enum libinput_event_type type;
type = libinput_event_get_type(event);
if (type == LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE ||
type == LIBINPUT_EVENT_POINTER_BUTTON) {
struct libinput_event_pointer *p;
struct libinput_event *base;
p = libinput_event_get_pointer_event(event);
base = libinput_event_pointer_get_base_event(p);
ck_assert(event == base);
if (type == LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE)
motion++;
else if (type == LIBINPUT_EVENT_POINTER_BUTTON)
button++;
litest_disable_log_handler(li);
ck_assert(libinput_event_get_device_notify_event(event) == NULL);
ck_assert(libinput_event_get_keyboard_event(event) == NULL);
ck_assert(libinput_event_get_touch_event(event) == NULL);
litest_restore_log_handler(li);
}
libinput_event_destroy(event);
}
ck_assert_int_gt(motion, 0);
ck_assert_int_gt(button, 0);
}
END_TEST
START_TEST(event_conversion_key)
{
struct litest_device *dev = litest_current_device();
struct libinput *li = dev->libinput;
struct libinput_event *event;
int key = 0;
litest_event(dev, EV_KEY, KEY_A, 1);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
litest_event(dev, EV_KEY, KEY_A, 0);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
libinput_dispatch(li);
while ((event = libinput_get_event(li))) {
enum libinput_event_type type;
type = libinput_event_get_type(event);
if (type == LIBINPUT_EVENT_KEYBOARD_KEY) {
struct libinput_event_keyboard *k;
struct libinput_event *base;
k = libinput_event_get_keyboard_event(event);
base = libinput_event_keyboard_get_base_event(k);
ck_assert(event == base);
key++;
litest_disable_log_handler(li);
ck_assert(libinput_event_get_device_notify_event(event) == NULL);
ck_assert(libinput_event_get_pointer_event(event) == NULL);
ck_assert(libinput_event_get_touch_event(event) == NULL);
litest_restore_log_handler(li);
}
libinput_event_destroy(event);
}
ck_assert_int_gt(key, 0);
}
END_TEST
START_TEST(event_conversion_touch)
{
struct litest_device *dev = litest_current_device();
struct libinput *li = dev->libinput;
struct libinput_event *event;
int touch = 0;
libinput_dispatch(li);
litest_event(dev, EV_KEY, BTN_TOOL_FINGER, 1);
litest_event(dev, EV_KEY, BTN_TOUCH, 1);
litest_event(dev, EV_ABS, ABS_X, 10);
litest_event(dev, EV_ABS, ABS_Y, 10);
litest_event(dev, EV_ABS, ABS_MT_SLOT, 0);
litest_event(dev, EV_ABS, ABS_MT_TRACKING_ID, 1);
litest_event(dev, EV_ABS, ABS_MT_POSITION_X, 10);
litest_event(dev, EV_ABS, ABS_MT_POSITION_Y, 10);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
libinput_dispatch(li);
while ((event = libinput_get_event(li))) {
enum libinput_event_type type;
type = libinput_event_get_type(event);
if (type >= LIBINPUT_EVENT_TOUCH_DOWN &&
type <= LIBINPUT_EVENT_TOUCH_FRAME) {
struct libinput_event_touch *t;
struct libinput_event *base;
t = libinput_event_get_touch_event(event);
base = libinput_event_touch_get_base_event(t);
ck_assert(event == base);
touch++;
litest_disable_log_handler(li);
ck_assert(libinput_event_get_device_notify_event(event) == NULL);
ck_assert(libinput_event_get_pointer_event(event) == NULL);
ck_assert(libinput_event_get_keyboard_event(event) == NULL);
litest_restore_log_handler(li);
}
libinput_event_destroy(event);
}
ck_assert_int_gt(touch, 0);
}
END_TEST
START_TEST(context_ref_counting)
{
struct libinput *li;
/* These tests rely on valgrind to detect memory leak and use after
* free errors. */
li = libinput_path_create_context(&simple_interface, NULL);
ck_assert_notnull(li);
ck_assert_ptr_eq(libinput_unref(li), NULL);
li = libinput_path_create_context(&simple_interface, NULL);
ck_assert_notnull(li);
ck_assert_ptr_eq(libinput_ref(li), li);
ck_assert_ptr_eq(libinput_unref(li), li);
ck_assert_ptr_eq(libinput_unref(li), NULL);
}
END_TEST
START_TEST(config_status_string)
{
const char *strs[3];
const char *invalid;
size_t i, j;
strs[0] = libinput_config_status_to_str(LIBINPUT_CONFIG_STATUS_SUCCESS);
strs[1] = libinput_config_status_to_str(LIBINPUT_CONFIG_STATUS_UNSUPPORTED);
strs[2] = libinput_config_status_to_str(LIBINPUT_CONFIG_STATUS_INVALID);
for (i = 0; i < ARRAY_LENGTH(strs) - 1; i++)
for (j = i + 1; j < ARRAY_LENGTH(strs); j++)
ck_assert_str_ne(strs[i], strs[j]);
invalid = libinput_config_status_to_str(LIBINPUT_CONFIG_STATUS_INVALID + 1);
ck_assert(invalid == NULL);
invalid = libinput_config_status_to_str(LIBINPUT_CONFIG_STATUS_SUCCESS - 1);
ck_assert(invalid == NULL);
}
END_TEST
START_TEST(matrix_helpers)
{
struct matrix m1, m2, m3;
float f[6] = { 1, 2, 3, 4, 5, 6 };
int x, y;
int row, col;
matrix_init_identity(&m1);
for (row = 0; row < 3; row++) {
for (col = 0; col < 3; col++) {
ck_assert_int_eq(m1.val[row][col],
(row == col) ? 1 : 0);
}
}
ck_assert(matrix_is_identity(&m1));
matrix_from_farray6(&m2, f);
ck_assert_int_eq(m2.val[0][0], 1);
ck_assert_int_eq(m2.val[0][1], 2);
ck_assert_int_eq(m2.val[0][2], 3);
ck_assert_int_eq(m2.val[1][0], 4);
ck_assert_int_eq(m2.val[1][1], 5);
ck_assert_int_eq(m2.val[1][2], 6);
ck_assert_int_eq(m2.val[2][0], 0);
ck_assert_int_eq(m2.val[2][1], 0);
ck_assert_int_eq(m2.val[2][2], 1);
x = 100;
y = 5;
matrix_mult_vec(&m1, &x, &y);
ck_assert_int_eq(x, 100);
ck_assert_int_eq(y, 5);
matrix_mult(&m3, &m1, &m1);
ck_assert(matrix_is_identity(&m3));
matrix_init_scale(&m2, 2, 4);
ck_assert_int_eq(m2.val[0][0], 2);
ck_assert_int_eq(m2.val[0][1], 0);
ck_assert_int_eq(m2.val[0][2], 0);
ck_assert_int_eq(m2.val[1][0], 0);
ck_assert_int_eq(m2.val[1][1], 4);
ck_assert_int_eq(m2.val[1][2], 0);
ck_assert_int_eq(m2.val[2][0], 0);
ck_assert_int_eq(m2.val[2][1], 0);
ck_assert_int_eq(m2.val[2][2], 1);
matrix_mult_vec(&m2, &x, &y);
ck_assert_int_eq(x, 200);
ck_assert_int_eq(y, 20);
matrix_init_translate(&m2, 10, 100);
ck_assert_int_eq(m2.val[0][0], 1);
ck_assert_int_eq(m2.val[0][1], 0);
ck_assert_int_eq(m2.val[0][2], 10);
ck_assert_int_eq(m2.val[1][0], 0);
ck_assert_int_eq(m2.val[1][1], 1);
ck_assert_int_eq(m2.val[1][2], 100);
ck_assert_int_eq(m2.val[2][0], 0);
ck_assert_int_eq(m2.val[2][1], 0);
ck_assert_int_eq(m2.val[2][2], 1);
matrix_mult_vec(&m2, &x, &y);
ck_assert_int_eq(x, 210);
ck_assert_int_eq(y, 120);
matrix_to_farray6(&m2, f);
ck_assert_int_eq(f[0], 1);
ck_assert_int_eq(f[1], 0);
ck_assert_int_eq(f[2], 10);
ck_assert_int_eq(f[3], 0);
ck_assert_int_eq(f[4], 1);
ck_assert_int_eq(f[5], 100);
}
END_TEST
START_TEST(ratelimit_helpers)
{
struct ratelimit rl;
unsigned int i, j;
/* 10 attempts every 100ms */
ratelimit_init(&rl, 100, 10);
for (j = 0; j < 3; ++j) {
/* a burst of 9 attempts must succeed */
for (i = 0; i < 9; ++i) {
ck_assert_int_eq(ratelimit_test(&rl),
RATELIMIT_PASS);
}
/* the 10th attempt reaches the threshold */
ck_assert_int_eq(ratelimit_test(&rl), RATELIMIT_THRESHOLD);
/* ..then further attempts must fail.. */
ck_assert_int_eq(ratelimit_test(&rl), RATELIMIT_EXCEEDED);
/* ..regardless of how often we try. */
for (i = 0; i < 100; ++i) {
ck_assert_int_eq(ratelimit_test(&rl),
RATELIMIT_EXCEEDED);
}
/* ..even after waiting 20ms */
msleep(20);
for (i = 0; i < 100; ++i) {
ck_assert_int_eq(ratelimit_test(&rl),
RATELIMIT_EXCEEDED);
}
/* but after 100ms the counter is reset */
msleep(90); /* +10ms to account for time drifts */
}
}
END_TEST
struct parser_test {
char *tag;
int expected_value;
};
START_TEST(dpi_parser)
{
struct parser_test tests[] = {
{ "450 *1800 3200", 1800 },
{ "*450 1800 3200", 450 },
{ "450 1800 *3200", 3200 },
{ "450 1800 3200", 3200 },
{ "450 1800 failboat", 0 },
{ "450 1800 *failboat", 0 },
{ "0 450 1800 *3200", 0 },
{ "450@37 1800@12 *3200@6", 3200 },
{ "450@125 1800@125 *3200@125 ", 3200 },
{ "450@125 *1800@125 3200@125", 1800 },
{ "*this @string fails", 0 },
{ "12@34 *45@", 0 },
{ "12@a *45@", 0 },
{ "12@a *45@25", 0 },
{ " * 12, 450, 800", 0 },
{ " *12, 450, 800", 12 },
{ "*12, *450, 800", 12 },
{ "*-23412, 450, 800", 0 },
{ "112@125, 450@125, 800@125, 900@-125", 0 },
{ "", 0 },
{ " ", 0 },
{ "* ", 0 },
{ NULL, 0 }
};
int i, dpi;
for (i = 0; tests[i].tag != NULL; i++) {
dpi = parse_mouse_dpi_property(tests[i].tag);
ck_assert_int_eq(dpi, tests[i].expected_value);
}
}
END_TEST
START_TEST(wheel_click_parser)
{
struct parser_test tests[] = {
{ "1", 1 },
{ "10", 10 },
{ "-12", -12 },
{ "360", 360 },
{ "66 ", 66 },
{ " 100 ", 100 },
{ "0", 0 },
{ "-0", 0 },
{ "a", 0 },
{ "10a", 0 },
{ "10-", 0 },
{ "sadfasfd", 0 },
{ "361", 0 },
{ NULL, 0 }
};
int i, angle;
for (i = 0; tests[i].tag != NULL; i++) {
angle = parse_mouse_wheel_click_angle_property(tests[i].tag);
ck_assert_int_eq(angle, tests[i].expected_value);
}
}
END_TEST
struct res_parser_test {
const char *value;
int retvalue;
int rx, ry;
};
START_TEST(touchpad_resolution_parser)
{
struct res_parser_test tests[] = {
{ "43x85", 0, 43, 85},
{ "242x428", 0, 242, 428 },
{ "1x1", -1, 0, 0},
{ "abcd", -1, 0, 0},
{ "", -1, 0, 0 },
{ "x", -1, 0, 0 },
{ "23x", -1, 0, 0 },
{ "x58", -1, 0, 0 },
{ "1x1", -1, 0, 0 },
{ "9x9", -1, 0, 0 },
{ "-34x-19", -1, 0, 0 },
{ "-34x19", -1, 0, 0 },
{ "34x-19", -1, 0, 0 },
{ NULL, 0, 0, 0 }
};
struct res_parser_test *test = tests;
int rc;
unsigned int rx, ry;
while (test->value != NULL) {
rx = 0xab;
ry = 0xcd;
rc = parse_touchpad_resolution_property(test->value, &rx, &ry);
ck_assert_int_eq(rc, test->retvalue);
if (rc == 0) {
ck_assert_int_eq(rx, test->rx);
ck_assert_int_eq(ry, test->ry);
} else {
ck_assert_int_eq(rx, 0xab);
ck_assert_int_eq(ry, 0xcd);
}
test++;
}
}
END_TEST
int main (int argc, char **argv) {
litest_add_no_device("events:conversion", event_conversion_device_notify);
litest_add_for_device("events:conversion", event_conversion_pointer, LITEST_MOUSE);
litest_add_for_device("events:conversion", event_conversion_pointer, LITEST_MOUSE);
litest_add_for_device("events:conversion", event_conversion_pointer_abs, LITEST_XEN_VIRTUAL_POINTER);
litest_add_for_device("events:conversion", event_conversion_key, LITEST_KEYBOARD);
litest_add_for_device("events:conversion", event_conversion_touch, LITEST_WACOM_TOUCH);
litest_add_no_device("context:refcount", context_ref_counting);
litest_add_no_device("config:status string", config_status_string);
litest_add_no_device("misc:matrix", matrix_helpers);
litest_add_no_device("misc:ratelimit", ratelimit_helpers);
litest_add_no_device("misc:dpi parser", dpi_parser);
litest_add_no_device("misc:wheel click parser", wheel_click_parser);
litest_add_no_device("misc:touchpad resolution parser", touchpad_resolution_parser);
return litest_run(argc, argv);
}
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