test: Add trackpoint middlebutton scrolling tests

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

test/Makefile.am

@@ -34,6 +34,7 @@ run_tests = \
 	test-touch \
 	test-log \
 	test-touchpad \
+	test-trackpoint \
 	test-misc \
 	test-keyboard \
 	test-device
@@ -72,6 +73,10 @@ test_touchpad_SOURCES = touchpad.c
 test_touchpad_LDADD = $(TEST_LIBS)
 test_touchpad_LDFLAGS = -no-install
 
+test_trackpoint_SOURCES = trackpoint.c
+test_trackpoint_LDADD = $(TEST_LIBS)
+test_trackpoint_LDFLAGS = -no-install
+
 test_misc_SOURCES = misc.c
 test_misc_LDADD = $(TEST_LIBS)
 test_misc_LDFLAGS = -no-install

test/litest-trackpoint.c

@@ -56,7 +56,7 @@ static int events[] = {
 
 struct litest_test_device litest_trackpoint_device = {
 	.type = LITEST_TRACKPOINT,
-	.features = LITEST_POINTER | LITEST_BUTTON,
+	.features = LITEST_POINTER | LITEST_BUTTON | LITEST_POINTINGSTICK,
 	.shortname = "trackpoint",
 	.setup = litest_trackpoint_setup,
 	.interface = &interface,

test/litest.h

@@ -61,6 +61,7 @@ enum litest_device_feature {
 	LITEST_APPLE_CLICKPAD = 1 << 8,
 	LITEST_TOPBUTTONPAD = 1 << 9,
 	LITEST_SEMI_MT = 1 << 10,
+	LITEST_POINTINGSTICK = 1 << 11,
 };
 
 struct litest_device {

test/trackpoint.c

@@ -0,0 +1,103 @@
+/*
+ * 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 <unistd.h>
+
+#include "libinput-util.h"
+#include "litest.h"
+
+START_TEST(trackpoint_middlebutton)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+
+	litest_drain_events(li);
+
+	/* A quick middle button click should get reported normally */
+	litest_button_click(dev, BTN_MIDDLE, 1);
+	litest_button_click(dev, BTN_MIDDLE, 0);
+
+	litest_assert_button_event(li, BTN_MIDDLE, 1);
+	litest_assert_button_event(li, BTN_MIDDLE, 0);
+
+	litest_assert_empty_queue(li);
+}
+END_TEST
+
+static void
+test_2fg_scroll(struct litest_device *dev, double dx, double dy)
+{
+	struct libinput *li = dev->libinput;
+
+	litest_button_click(dev, BTN_MIDDLE, 1);
+
+	libinput_dispatch(li);
+	msleep(300);
+	libinput_dispatch(li);
+
+	litest_event(dev, EV_REL, REL_X, dx);
+	litest_event(dev, EV_REL, REL_Y, dy);
+	litest_event(dev, EV_SYN, SYN_REPORT, 0);
+
+	litest_button_click(dev, BTN_MIDDLE, 0);
+
+	libinput_dispatch(li);
+}
+
+START_TEST(trackpoint_scroll)
+{
+	struct litest_device *dev = litest_current_device();
+	struct libinput *li = dev->libinput;
+
+	litest_drain_events(li);
+
+	test_2fg_scroll(dev, 1, 6);
+	litest_assert_scroll(li, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL, 6);
+	test_2fg_scroll(dev, 1, -7);
+	litest_assert_scroll(li, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL, -7);
+	test_2fg_scroll(dev, 8, 1);
+	litest_assert_scroll(li, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL, 8);
+	test_2fg_scroll(dev, -9, 1);
+	litest_assert_scroll(li, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL, -9);
+
+	/* scroll smaller than the threshold should not generate events */
+	test_2fg_scroll(dev, 1, 1);
+	/* long middle press without movement should not generate events */
+	test_2fg_scroll(dev, 0, 0);
+
+	litest_assert_empty_queue(li);
+}
+END_TEST
+
+int main(int argc, char **argv) {
+
+	litest_add("trackpoint:middlebutton", trackpoint_middlebutton, LITEST_POINTINGSTICK, LITEST_ANY);
+	litest_add("trackpoint:scroll", trackpoint_scroll, LITEST_POINTINGSTICK, LITEST_ANY);
+
+	return litest_run(argc, argv);
+}