fdo-mirrors/libinput
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/libinput/libinput.git synced 2026-05-07 17:48:03 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

test: ghost touch test, based on HW recording

Browse source
This commit is contained in:
Matt Mayfield 2026-03-08 09:48:04 -04:00
parent 1e232e3f91
commit c17790d29b
1 changed files with 75 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

75
test/test-touchpad.c
View file

@ -5528,6 +5528,80 @@ START_TEST(touchpad_thumb_no_double_revive)
}
END_TEST
START_TEST(touchpad_thumb_no_revive_after_ghost_touch)
{
struct litest_device *dev = litest_current_device();
struct libinput *li = dev->libinput;
if (!has_thumb_detect(dev))
return LITEST_NOT_APPLICABLE;
litest_disable_tap(dev->libinput_device);
litest_disable_hold_gestures(dev->libinput_device);
if (litest_has_clickfinger(dev))
litest_enable_clickfinger(dev);
litest_drain_events(li);
/* 1. Thumb rests in thumb area at bottom center */
litest_touch_down(dev, 0, 45, 97);
litest_touch_move_to(dev, 0, 45, 97, 45, 97, 10);
litest_assert_empty_queue(li);
/* 2. Finger touches far above thumb and scrolls up */
msleep(200);
litest_dispatch(li);
litest_touch_down(dev, 1, 46, 41);
litest_dispatch(li);
litest_touch_move_to(dev, 1, 46, 41, 49, 14, 15);
litest_dispatch(li);
litest_drain_events(li);
/* 3. Lift the scroll finger */
litest_touch_up(dev, 1);
litest_dispatch(li);
msleep(340);
/* 4. Move the thumb significantly — it should become REVIVED */
litest_touch_move_to(dev, 0, 45, 97, 50, 83, 20);
litest_assert_only_typed_events(li, LIBINPUT_EVENT_POINTER_MOTION);
/* 5. Ghost touch: a single-frame phantom contact very close to
* the thumb, as seen in real hardware recording. The ghost
* appears while the thumb is actively moving and disappears
* within one frame.
*/
litest_touch_down(dev, 1, 52, 87);
litest_dispatch(li);
litest_touch_up(dev, 1);
litest_dispatch(li);
litest_drain_events(li);
/* 6. Real second finger arrives and scrolls */
msleep(234);
litest_dispatch(li);
litest_touch_down(dev, 1, 53, 44);
litest_dispatch(li);
litest_touch_move_to(dev, 1, 53, 44, 51, 11, 15);
litest_dispatch(li);
litest_drain_events(li);
/* 7. Lift the real second finger */
litest_touch_up(dev, 1);
litest_drain_events(li);
/* 8. Move the thumb again. After the ghost touch triggered a
* spurious state reset and a real second finger followed,
* the thumb must be DEAD and produce no motion.
*/
litest_touch_move_to(dev, 0, 50, 83, 60, 55, 30);
litest_assert_empty_queue(li);
litest_touch_up(dev, 0);
}
END_TEST
START_TEST(touchpad_tool_tripletap_touch_count)
{
struct litest_device *dev = litest_current_device();
@ -7239,6 +7313,7 @@ TEST_COLLECTION(touchpad)
litest_add(touchpad_thumb_area_btnarea, LITEST_CLICKPAD, LITEST_ANY);
litest_add(touchpad_thumb_no_doublethumb, LITEST_CLICKPAD, LITEST_ANY);
litest_add(touchpad_thumb_no_double_revive, LITEST_CLICKPAD, LITEST_SINGLE_TOUCH|LITEST_SEMI_MT);
litest_add(touchpad_thumb_no_revive_after_ghost_touch, LITEST_CLICKPAD, LITEST_SINGLE_TOUCH|LITEST_SEMI_MT);
litest_add_for_device(touchpad_tool_tripletap_touch_count, LITEST_SYNAPTICS_TOPBUTTONPAD);
litest_add_for_device(touchpad_tool_tripletap_touch_count_late, LITEST_SYNAPTICS_TOPBUTTONPAD);