test: prefix all test source files with "test-"

They weren't originally prefixed but the various tests were, but now that we
only have one test runner binary anyway, the prefix helps sorting the files
easily within e.g. gcov results.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 853 insertions, 0 deletions

diff --git a/test/test-touch.c b/test/test-touch.c
new file mode 100644
index 00000000..0e091aa3
--- /dev/null
+++ b/test/test-touch.c
@@ -0,0 +1,853 @@
+/*
+ * Copyright © 2013 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <check.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libinput.h>
+#include <libevdev/libevdev.h>
+#include <unistd.h>
+
+#include "libinput-util.h"
+#include "litest.h"
+
+START_TEST(touch_frame_events)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_event *event;
+	int have_frame_event = 0;
+
+	litest_drain_events(dev->libinput);
+
+	litest_touch_down(dev, 0, 10, 10);
+	libinput_dispatch(li);
+
+	while ((event = libinput_get_event(li))) {
+		if (libinput_event_get_type(event) == LIBINPUT_EVENT_TOUCH_FRAME)
+			have_frame_event++;
+		libinput_event_destroy(event);
+	}
+	ck_assert_int_eq(have_frame_event, 1);
+
+	litest_touch_down(dev, 1, 10, 10);
+	libinput_dispatch(li);
+
+	while ((event = libinput_get_event(li))) {
+		if (libinput_event_get_type(event) == LIBINPUT_EVENT_TOUCH_FRAME)
+			have_frame_event++;
+		libinput_event_destroy(event);
+	}
+	ck_assert_int_eq(have_frame_event, 2);
+}
+END_TEST
+
+START_TEST(touch_abs_transform)
+{
+	struct litest_device *dev;
+	struct libinput *libinput;
+	struct libinput_event *ev;
+	struct libinput_event_touch *tev;
+	double fx, fy;
+	bool tested = false;
+
+	struct input_absinfo abs[] = {
+		{ ABS_X, 0, 32767, 75, 0, 10 },
+		{ ABS_Y, 0, 32767, 129, 0, 9 },
+		{ ABS_MT_POSITION_X, 0, 32767, 0, 0, 10 },
+		{ ABS_MT_POSITION_Y, 0, 32767, 0, 0, 9 },
+		{ .value = -1 },
+	};
+
+	dev = litest_create_device_with_overrides(LITEST_WACOM_TOUCH,
+						  "litest Highres touch device",
+						  NULL, abs, NULL);
+
+	libinput = dev->libinput;
+
+	litest_touch_down(dev, 0, 100, 100);
+
+	libinput_dispatch(libinput);
+
+	while ((ev = libinput_get_event(libinput))) {
+		if (libinput_event_get_type(ev) != LIBINPUT_EVENT_TOUCH_DOWN) {
+			libinput_event_destroy(ev);
+			continue;
+		}
+
+		tev = libinput_event_get_touch_event(ev);
+		fx = libinput_event_touch_get_x_transformed(tev, 1920);
+		ck_assert_int_eq(fx, 1919.0);
+		fy = libinput_event_touch_get_y_transformed(tev, 720);
+		ck_assert_int_eq(fy, 719.0);
+
+		tested = true;
+
+		libinput_event_destroy(ev);
+	}
+
+	ck_assert(tested);
+
+	litest_delete_device(dev);
+}
+END_TEST
+
+START_TEST(touch_many_slots)
+{
+	struct libinput *libinput;
+	struct litest_device *dev;
+	struct libinput_event *ev;
+	int slot;
+	const int num_tps = 100;
+	int slot_count = 0;
+	enum libinput_event_type type;
+
+	struct input_absinfo abs[] = {
+		{ ABS_MT_SLOT, 0, num_tps - 1, 0, 0, 0 },
+		{ .value = -1 },
+	};
+
+	dev = litest_create_device_with_overrides(LITEST_WACOM_TOUCH,
+						  "litest Multi-touch device",
+						  NULL, abs, NULL);
+	libinput = dev->libinput;
+
+	for (slot = 0; slot < num_tps; ++slot)
+		litest_touch_down(dev, slot, 0, 0);
+	for (slot = 0; slot < num_tps; ++slot)
+		litest_touch_up(dev, slot);
+
+	libinput_dispatch(libinput);
+	while ((ev = libinput_get_event(libinput))) {
+		type = libinput_event_get_type(ev);
+
+		if (type == LIBINPUT_EVENT_TOUCH_DOWN)
+			slot_count++;
+		else if (type == LIBINPUT_EVENT_TOUCH_UP)
+			break;
+
+		libinput_event_destroy(ev);
+		libinput_dispatch(libinput);
+	}
+
+	ck_assert_notnull(ev);
+	ck_assert_int_gt(slot_count, 0);
+
+	libinput_dispatch(libinput);
+	do {
+		type = libinput_event_get_type(ev);
+		ck_assert_int_ne(type, LIBINPUT_EVENT_TOUCH_DOWN);
+		if (type == LIBINPUT_EVENT_TOUCH_UP)
+			slot_count--;
+
+		libinput_event_destroy(ev);
+		libinput_dispatch(libinput);
+	} while ((ev = libinput_get_event(libinput)));
+
+	ck_assert_int_eq(slot_count, 0);
+
+	litest_delete_device(dev);
+}
+END_TEST
+
+START_TEST(touch_double_touch_down_up)
+{
+	struct libinput *libinput;
+	struct litest_device *dev;
+	struct libinput_event *ev;
+	bool got_down = false;
+	bool got_up = false;
+
+	dev = litest_current_device();
+	libinput = dev->libinput;
+
+	/* note: this test is a false negative, libevdev will filter
+	 * tracking IDs re-used in the same slot. */
+
+	litest_touch_down(dev, 0, 0, 0);
+	litest_touch_down(dev, 0, 0, 0);
+	litest_touch_up(dev, 0);
+	litest_touch_up(dev, 0);
+
+	libinput_dispatch(libinput);
+
+	while ((ev = libinput_get_event(libinput))) {
+		switch (libinput_event_get_type(ev)) {
+		case LIBINPUT_EVENT_TOUCH_DOWN:
+			ck_assert(!got_down);
+			got_down = true;
+			break;
+		case LIBINPUT_EVENT_TOUCH_UP:
+			ck_assert(got_down);
+			ck_assert(!got_up);
+			got_up = true;
+			break;
+		default:
+			break;
+		}
+
+		libinput_event_destroy(ev);
+		libinput_dispatch(libinput);
+	}
+
+	ck_assert(got_down);
+	ck_assert(got_up);
+}
+END_TEST
+
+START_TEST(touch_calibration_scale)
+{
+	struct libinput *li;
+	struct litest_device *dev;
+	struct libinput_event *ev;
+	struct libinput_event_touch *tev;
+	float matrix[6] = {
+		1, 0, 0,
+		0, 1, 0
+	};
+
+	float calibration;
+	double x, y;
+	const int width = 640, height = 480;
+
+	dev = litest_current_device();
+	li = dev->libinput;
+
+	for (calibration = 0.1; calibration < 1; calibration += 0.1) {
+		libinput_device_config_calibration_set_matrix(dev->libinput_device,
+							      matrix);
+		litest_drain_events(li);
+
+		litest_touch_down(dev, 0, 100, 100);
+		litest_touch_up(dev, 0);
+
+		litest_wait_for_event(li);
+		ev = libinput_get_event(li);
+		tev = litest_is_touch_event(ev, LIBINPUT_EVENT_TOUCH_DOWN);
+
+		x = libinput_event_touch_get_x_transformed(tev, width);
+		y = libinput_event_touch_get_y_transformed(tev, height);
+
+		ck_assert_int_eq(round(x), round(width * matrix[0]));
+		ck_assert_int_eq(round(y), round(height * matrix[4]));
+
+		libinput_event_destroy(ev);
+		litest_drain_events(li);
+
+		matrix[0] = calibration;
+		matrix[4] = 1 - calibration;
+	}
+}
+END_TEST
+
+START_TEST(touch_calibration_rotation)
+{
+	struct libinput *li;
+	struct litest_device *dev;
+	struct libinput_event *ev;
+	struct libinput_event_touch *tev;
+	float matrix[6];
+	int i;
+	double x, y;
+	int width = 1024, height = 480;
+
+	dev = litest_current_device();
+	li = dev->libinput;
+
+	for (i = 0; i < 4; i++) {
+		float angle = i * M_PI/2;
+
+		/* [ cos -sin  tx ]
+		   [ sin  cos  ty ]
+		   [  0    0   1  ] */
+		matrix[0] = cos(angle);
+		matrix[1] = -sin(angle);
+		matrix[3] = sin(angle);
+		matrix[4] = cos(angle);
+
+		switch(i) {
+		case 0: /* 0 deg */
+			matrix[2] = 0;
+			matrix[5] = 0;
+			break;
+		case 1: /* 90 deg cw */
+			matrix[2] = 1;
+			matrix[5] = 0;
+			break;
+		case 2: /* 180 deg cw */
+			matrix[2] = 1;
+			matrix[5] = 1;
+			break;
+		case 3: /* 270 deg cw */
+			matrix[2] = 0;
+			matrix[5] = 1;
+			break;
+		}
+
+		libinput_device_config_calibration_set_matrix(dev->libinput_device,
+							      matrix);
+		litest_drain_events(li);
+
+		litest_touch_down(dev, 0, 80, 20);
+		litest_touch_up(dev, 0);
+		litest_wait_for_event(li);
+		ev = libinput_get_event(li);
+		tev = litest_is_touch_event(ev, LIBINPUT_EVENT_TOUCH_DOWN);
+
+		x = libinput_event_touch_get_x_transformed(tev, width);
+		y = libinput_event_touch_get_y_transformed(tev, height);
+
+		/* rounding errors... */
+#define almost_equal(a_, b_) \
+		{ ck_assert_int_ge((a_) + 0.5, (b_) - 1); \
+		  ck_assert_int_le((a_) + 0.5, (b_) + 1); }
+		switch(i) {
+		case 0: /* 0 deg */
+			almost_equal(x, width * 0.8);
+			almost_equal(y, height * 0.2);
+			break;
+		case 1: /* 90 deg cw */
+			almost_equal(x, width * 0.8);
+			almost_equal(y, height * 0.8);
+			break;
+		case 2: /* 180 deg cw */
+			almost_equal(x, width * 0.2);
+			almost_equal(y, height * 0.8);
+			break;
+		case 3: /* 270 deg cw */
+			almost_equal(x, width * 0.2);
+			almost_equal(y, height * 0.2);
+			break;
+		}
+#undef almost_equal
+
+		libinput_event_destroy(ev);
+		litest_drain_events(li);
+	}
+}
+END_TEST
+
+START_TEST(touch_calibration_translation)
+{
+	struct libinput *li;
+	struct litest_device *dev;
+	struct libinput_event *ev;
+	struct libinput_event_touch *tev;
+	float matrix[6] = {
+		1, 0, 0,
+		0, 1, 0
+	};
+
+	float translate;
+	double x, y;
+	const int width = 640, height = 480;
+
+	dev = litest_current_device();
+	li = dev->libinput;
+
+	/* translating from 0 up to 1 device width/height */
+	for (translate = 0.1; translate <= 1; translate += 0.1) {
+		libinput_device_config_calibration_set_matrix(dev->libinput_device,
+							      matrix);
+		litest_drain_events(li);
+
+		litest_touch_down(dev, 0, 100, 100);
+		litest_touch_up(dev, 0);
+
+		litest_wait_for_event(li);
+		ev = libinput_get_event(li);
+		tev = litest_is_touch_event(ev, LIBINPUT_EVENT_TOUCH_DOWN);
+
+		x = libinput_event_touch_get_x_transformed(tev, width);
+		y = libinput_event_touch_get_y_transformed(tev, height);
+
+		/* sigh. rounding errors */
+		ck_assert_int_ge(round(x), width + round(width * matrix[2]) - 1);
+		ck_assert_int_ge(round(y), height + round(height * matrix[5]) - 1);
+		ck_assert_int_le(round(x), width + round(width * matrix[2]) + 1);
+		ck_assert_int_le(round(y), height + round(height * matrix[5]) + 1);
+
+		libinput_event_destroy(ev);
+		litest_drain_events(li);
+
+		matrix[2] = translate;
+		matrix[5] = 1 - translate;
+	}
+}
+END_TEST
+
+START_TEST(touch_calibrated_screen_path)
+{
+	struct litest_device *dev = litest_current_device();
+	float matrix[6];
+	int rc;
+
+	rc = libinput_device_config_calibration_has_matrix(dev->libinput_device);
+	ck_assert_int_eq(rc, 1);
+
+	rc = libinput_device_config_calibration_get_matrix(dev->libinput_device,
+							   matrix);
+	ck_assert_int_eq(rc, 1);
+
+	ck_assert_double_eq(matrix[0], 1.2);
+	ck_assert_double_eq(matrix[1], 3.4);
+	ck_assert_double_eq(matrix[2], 5.6);
+	ck_assert_double_eq(matrix[3], 7.8);
+	ck_assert_double_eq(matrix[4], 9.10);
+	ck_assert_double_eq(matrix[5], 11.12);
+}
+END_TEST
+
+static int open_restricted(const char *path, int flags, void *data)
+{
+	int fd;
+	fd = open(path, flags);
+	return fd < 0 ? -errno : fd;
+}
+static void close_restricted(int fd, void *data)
+{
+	close(fd);
+}
+
+static const struct libinput_interface simple_interface = {
+	.open_restricted = open_restricted,
+	.close_restricted = close_restricted,
+};
+
+START_TEST(touch_calibrated_screen_udev)
+{
+	struct libinput *li;
+	struct libinput_event *ev;
+	struct libinput_device *device = NULL;
+	struct udev *udev;
+	float matrix[6];
+	int rc;
+
+	udev = udev_new();
+	ck_assert(udev != NULL);
+
+	li = libinput_udev_create_context(&simple_interface, NULL, udev);
+	ck_assert(li != NULL);
+	ck_assert_int_eq(libinput_udev_assign_seat(li, "seat0"), 0);
+
+	libinput_dispatch(li);
+
+	while ((ev = libinput_get_event(li))) {
+		struct libinput_device *d;
+
+		if (libinput_event_get_type(ev) !=
+		    LIBINPUT_EVENT_DEVICE_ADDED) {
+			libinput_event_destroy(ev);
+			continue;
+		}
+
+		d = libinput_event_get_device(ev);
+
+		if (libinput_device_get_id_vendor(d) == 0x22 &&
+		    libinput_device_get_id_product(d) == 0x33) {
+			device = libinput_device_ref(d);
+			litest_drain_events(li);
+		}
+		libinput_event_destroy(ev);
+	}
+
+	litest_drain_events(li);
+
+	ck_assert_notnull(device);
+	rc = libinput_device_config_calibration_has_matrix(device);
+	ck_assert_int_eq(rc, 1);
+
+	rc = libinput_device_config_calibration_get_matrix(device, matrix);
+	ck_assert_int_eq(rc, 1);
+
+	ck_assert_double_eq(matrix[0], 1.2);
+	ck_assert_double_eq(matrix[1], 3.4);
+	ck_assert_double_eq(matrix[2], 5.6);
+	ck_assert_double_eq(matrix[3], 7.8);
+	ck_assert_double_eq(matrix[4], 9.10);
+	ck_assert_double_eq(matrix[5], 11.12);
+
+	libinput_device_unref(device);
+
+	libinput_unref(li);
+	udev_unref(udev);
+
+}
+END_TEST
+
+START_TEST(touch_no_left_handed)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput_device *d = dev->libinput_device;
+	enum libinput_config_status status;
+	int rc;
+
+	rc = libinput_device_config_left_handed_is_available(d);
+	ck_assert_int_eq(rc, 0);
+
+	rc = libinput_device_config_left_handed_get(d);
+	ck_assert_int_eq(rc, 0);
+
+	rc = libinput_device_config_left_handed_get_default(d);
+	ck_assert_int_eq(rc, 0);
+
+	status = libinput_device_config_left_handed_set(d, 0);
+	ck_assert_int_eq(status, LIBINPUT_CONFIG_STATUS_UNSUPPORTED);
+}
+END_TEST
+
+START_TEST(fake_mt_exists)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_event *event;
+	struct libinput_device *device;
+
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_DEVICE_ADDED, -1);
+	event = libinput_get_event(li);
+	device = libinput_event_get_device(event);
+
+	ck_assert(!libinput_device_has_capability(device,
+						  LIBINPUT_DEVICE_CAP_TOUCH));
+
+	/* This test may need fixing if we add other fake-mt devices that
+	 * have different capabilities */
+	ck_assert(libinput_device_has_capability(device,
+						 LIBINPUT_DEVICE_CAP_POINTER));
+
+	libinput_event_destroy(event);
+}
+END_TEST
+
+START_TEST(fake_mt_no_touch_events)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+
+	litest_drain_events(li);
+
+	litest_touch_down(dev, 0, 50, 50);
+	litest_touch_move_to(dev, 0, 50, 50, 70, 70, 5, 10);
+	litest_touch_up(dev, 0);
+
+	litest_touch_down(dev, 0, 50, 50);
+	litest_touch_down(dev, 1, 70, 70);
+	litest_touch_move_to(dev, 0, 50, 50, 90, 40, 10, 10);
+	litest_touch_move_to(dev, 0, 70, 70, 40, 50, 10, 10);
+	litest_touch_up(dev, 0);
+	litest_touch_up(dev, 1);
+
+	litest_assert_only_typed_events(li,
+					LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE);
+}
+END_TEST
+
+START_TEST(touch_protocol_a_init)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_device *device = dev->libinput_device;
+
+	ck_assert_int_ne(libinput_next_event_type(li),
+			 LIBINPUT_EVENT_NONE);
+
+	ck_assert(libinput_device_has_capability(device,
+						 LIBINPUT_DEVICE_CAP_TOUCH));
+}
+END_TEST
+
+START_TEST(touch_protocol_a_touch)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_event *ev;
+	struct libinput_event_touch *tev;
+	double x, y, oldx, oldy;
+
+	litest_drain_events(li);
+
+	litest_touch_down(dev, 0, 5, 95);
+
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_DOWN, -1);
+
+	ev = libinput_get_event(li);
+	tev = litest_is_touch_event(ev, LIBINPUT_EVENT_TOUCH_DOWN);
+
+	oldx = libinput_event_touch_get_x(tev);
+	oldy = libinput_event_touch_get_y(tev);
+
+	libinput_event_destroy(ev);
+
+	litest_touch_move_to(dev, 0, 10, 90, 90, 10, 20, 1);
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_MOTION, -1);
+
+	while ((ev = libinput_get_event(li))) {
+		if (libinput_event_get_type(ev) ==
+		    LIBINPUT_EVENT_TOUCH_FRAME) {
+			libinput_event_destroy(ev);
+			continue;
+		}
+		ck_assert_int_eq(libinput_event_get_type(ev),
+				 LIBINPUT_EVENT_TOUCH_MOTION);
+
+		tev = libinput_event_get_touch_event(ev);
+		x = libinput_event_touch_get_x(tev);
+		y = libinput_event_touch_get_y(tev);
+
+		ck_assert_int_gt(x, oldx);
+		ck_assert_int_lt(y, oldy);
+
+		oldx = x;
+		oldy = y;
+
+		libinput_event_destroy(ev);
+	}
+
+	litest_touch_up(dev, 0);
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_UP, -1);
+}
+END_TEST
+
+START_TEST(touch_protocol_a_2fg_touch)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_event *ev;
+	struct libinput_event_touch *tev;
+	int pos;
+
+	litest_drain_events(li);
+
+	litest_push_event_frame(dev);
+	litest_touch_down(dev, 0, 5, 95);
+	litest_touch_down(dev, 0, 95, 5);
+	litest_pop_event_frame(dev);
+
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_DOWN, -1);
+
+	ev = libinput_get_event(li);
+	libinput_event_destroy(ev);
+
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_DOWN, -1);
+
+	ev = libinput_get_event(li);
+	libinput_event_destroy(ev);
+
+	for (pos = 10; pos < 100; pos += 10) {
+		litest_push_event_frame(dev);
+		litest_touch_move_to(dev, 0, pos, 100 - pos, pos, 100 - pos, 1, 1);
+		litest_touch_move_to(dev, 0, 100 - pos, pos, 100 - pos, pos, 1, 1);
+		litest_pop_event_frame(dev);
+		litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_MOTION, -1);
+		ev = libinput_get_event(li);
+		tev = libinput_event_get_touch_event(ev);
+		ck_assert_int_eq(libinput_event_touch_get_slot(tev),
+				0);
+		libinput_event_destroy(ev);
+
+		litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_MOTION, -1);
+		ev = libinput_get_event(li);
+		tev = libinput_event_get_touch_event(ev);
+		ck_assert_int_eq(libinput_event_touch_get_slot(tev),
+				1);
+		libinput_event_destroy(ev);
+	}
+
+	litest_event(dev, EV_SYN, SYN_MT_REPORT, 0);
+	litest_event(dev, EV_SYN, SYN_REPORT, 0);
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_UP, -1);
+	litest_wait_for_event_of_type(li, LIBINPUT_EVENT_TOUCH_UP, -1);
+}
+END_TEST
+
+START_TEST(touch_initial_state)
+{
+	struct litest_device *dev;
+	struct libinput *libinput1, *libinput2;
+	struct libinput_event *ev1 = NULL;
+	struct libinput_event *ev2 = NULL;
+	struct libinput_event_touch *t1, *t2;
+	struct libinput_device *device1, *device2;
+	int axis = _i; /* looped test */
+
+	dev = litest_current_device();
+	device1 = dev->libinput_device;
+	libinput_device_config_tap_set_enabled(device1,
+					       LIBINPUT_CONFIG_TAP_DISABLED);
+
+	libinput1 = dev->libinput;
+	litest_touch_down(dev, 0, 40, 60);
+	litest_touch_up(dev, 0);
+
+	/* device is now on some x/y value */
+	litest_drain_events(libinput1);
+
+	libinput2 = litest_create_context();
+	device2 = libinput_path_add_device(libinput2,
+					   libevdev_uinput_get_devnode(
+							       dev->uinput));
+	libinput_device_config_tap_set_enabled(device2,
+					       LIBINPUT_CONFIG_TAP_DISABLED);
+	litest_drain_events(libinput2);
+
+	if (axis == ABS_X)
+		litest_touch_down(dev, 0, 40, 70);
+	else
+		litest_touch_down(dev, 0, 70, 60);
+	litest_touch_up(dev, 0);
+
+	litest_wait_for_event(libinput1);
+	litest_wait_for_event(libinput2);
+
+	while (libinput_next_event_type(libinput1)) {
+		ev1 = libinput_get_event(libinput1);
+		ev2 = libinput_get_event(libinput2);
+
+		t1 = litest_is_touch_event(ev1, 0);
+		t2 = litest_is_touch_event(ev2, 0);
+
+		ck_assert_int_eq(libinput_event_get_type(ev1),
+				 libinput_event_get_type(ev2));
+
+		if (libinput_event_get_type(ev1) == LIBINPUT_EVENT_TOUCH_UP ||
+		    libinput_event_get_type(ev1) == LIBINPUT_EVENT_TOUCH_FRAME)
+			break;
+
+		ck_assert_int_eq(libinput_event_touch_get_x(t1),
+				 libinput_event_touch_get_x(t2));
+		ck_assert_int_eq(libinput_event_touch_get_y(t1),
+				 libinput_event_touch_get_y(t2));
+
+		libinput_event_destroy(ev1);
+		libinput_event_destroy(ev2);
+	}
+
+	libinput_event_destroy(ev1);
+	libinput_event_destroy(ev2);
+
+	libinput_unref(libinput2);
+}
+END_TEST
+
+START_TEST(touch_time_usec)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_event *event;
+	struct libinput_event_touch *tev;
+	uint64_t time_usec;
+
+	litest_drain_events(dev->libinput);
+
+	litest_touch_down(dev, 0, 10, 10);
+
+	litest_wait_for_event(li);
+
+	event = libinput_get_event(li);
+	tev = litest_is_touch_event(event, LIBINPUT_EVENT_TOUCH_DOWN);
+	time_usec = libinput_event_touch_get_time_usec(tev);
+	ck_assert_int_eq(libinput_event_touch_get_time(tev),
+			 (uint32_t) (time_usec / 1000));
+	libinput_event_destroy(event);
+}
+END_TEST
+
+START_TEST(touch_fuzz)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+	struct libinput_event *event;
+	int i;
+	int x = 700, y = 300;
+
+	litest_drain_events(dev->libinput);
+
+	litest_event(dev, EV_ABS, ABS_MT_TRACKING_ID, 30);
+	litest_event(dev, EV_ABS, ABS_MT_SLOT, 0);
+	litest_event(dev, EV_ABS, ABS_MT_POSITION_X, x);
+	litest_event(dev, EV_ABS, ABS_MT_POSITION_Y, y);
+	litest_event(dev, EV_KEY, BTN_TOUCH, 1);
+	litest_event(dev, EV_SYN, SYN_REPORT, 0);
+	libinput_dispatch(li);
+
+	event = libinput_get_event(li);
+	litest_is_touch_event(event, LIBINPUT_EVENT_TOUCH_DOWN);
+	libinput_event_destroy(event);
+	event = libinput_get_event(li);
+	litest_is_touch_event(event, LIBINPUT_EVENT_TOUCH_FRAME);
+	libinput_event_destroy(event);
+
+	litest_drain_events(li);
+
+	for (i = 0; i < 50; i++) {
+		if (i % 2) {
+			x++;
+			y--;
+		} else {
+			x--;
+			y++;
+		}
+		litest_event(dev, EV_ABS, ABS_MT_POSITION_X, x);
+		litest_event(dev, EV_ABS, ABS_MT_POSITION_Y, y);
+		litest_event(dev, EV_SYN, SYN_REPORT, 0);
+		libinput_dispatch(li);
+		litest_assert_empty_queue(li);
+	}
+}
+END_TEST
+
+void
+litest_setup_tests_touch(void)
+{
+	struct range axes = { ABS_X, ABS_Y + 1};
+
+	litest_add("touch:frame", touch_frame_events, LITEST_TOUCH, LITEST_ANY);
+	litest_add_no_device("touch:abs-transform", touch_abs_transform);
+	litest_add_no_device("touch:many-slots", touch_many_slots);
+	litest_add("touch:double-touch-down-up", touch_double_touch_down_up, LITEST_TOUCH, LITEST_ANY);
+	litest_add("touch:calibration", touch_calibration_scale, LITEST_TOUCH, LITEST_TOUCHPAD);
+	litest_add("touch:calibration", touch_calibration_scale, LITEST_SINGLE_TOUCH, LITEST_TOUCHPAD);
+	litest_add("touch:calibration", touch_calibration_rotation, LITEST_TOUCH, LITEST_TOUCHPAD);
+	litest_add("touch:calibration", touch_calibration_rotation, LITEST_SINGLE_TOUCH, LITEST_TOUCHPAD);
+	litest_add("touch:calibration", touch_calibration_translation, LITEST_TOUCH, LITEST_TOUCHPAD);
+	litest_add("touch:calibration", touch_calibration_translation, LITEST_SINGLE_TOUCH, LITEST_TOUCHPAD);
+	litest_add_for_device("touch:calibration", touch_calibrated_screen_path, LITEST_CALIBRATED_TOUCHSCREEN);
+	litest_add_for_device("touch:calibration", touch_calibrated_screen_udev, LITEST_CALIBRATED_TOUCHSCREEN);
+
+	litest_add("touch:left-handed", touch_no_left_handed, LITEST_TOUCH, LITEST_ANY);
+
+	litest_add("touch:fake-mt", fake_mt_exists, LITEST_FAKE_MT, LITEST_ANY);
+	litest_add("touch:fake-mt", fake_mt_no_touch_events, LITEST_FAKE_MT, LITEST_ANY);
+
+	litest_add("touch:protocol a", touch_protocol_a_init, LITEST_PROTOCOL_A, LITEST_ANY);
+	litest_add("touch:protocol a", touch_protocol_a_touch, LITEST_PROTOCOL_A, LITEST_ANY);
+	litest_add("touch:protocol a", touch_protocol_a_2fg_touch, LITEST_PROTOCOL_A, LITEST_ANY);
+
+	litest_add_ranged("touch:state", touch_initial_state, LITEST_TOUCH, LITEST_PROTOCOL_A, &axes);
+
+	litest_add("touch:time", touch_time_usec, LITEST_TOUCH, LITEST_TOUCHPAD);
+
+	litest_add_for_device("touch:fuzz", touch_fuzz, LITEST_MULTITOUCH_FUZZ_SCREEN);
+}