test: add a scrollwheel-only device

This currently requires a specific udev rule to tag the device, once the
matching bits are upstream we can drop this.

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

test/Makefile.am

@@ -30,6 +30,7 @@ liblitest_la_SOURCES = \
 	litest-trackpoint.c \
 	litest-wacom-touch.c \
 	litest-wacom-intuos-finger.c \
+	litest-wheel-only.c \
 	litest-xen-virtual-pointer.c \
 	litest-vmware-virtual-usb-mouse.c \
 	litest.c

test/litest-wheel-only.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2015 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "litest.h"
+#include "litest-int.h"
+
+static void litest_wheel_only_setup(void)
+{
+	struct litest_device *d = litest_create_device(LITEST_WHEEL_ONLY);
+	litest_set_current_device(d);
+}
+
+static struct input_id input_id = {
+	.bustype = 0x3,
+	.vendor = 0x1,
+	.product = 0x2,
+};
+
+static int events[] = {
+	EV_REL, REL_WHEEL,
+	-1 , -1,
+};
+
+static const char udev_rule[] =
+"ACTION==\"remove\", GOTO=\"wheel_only_end\"\n"
+"KERNEL!=\"event*\", GOTO=\"wheel_only_end\"\n"
+"\n"
+"ATTRS{name}==\"litest wheel only device*\",\\\n"
+"    ENV{ID_INPUT_KEY}=\"1\"\n"
+"\n"
+"LABEL=\"wheel_only_end\"";
+
+struct litest_test_device litest_wheel_only_device = {
+	.type = LITEST_WHEEL_ONLY,
+	.features = LITEST_WHEEL,
+	.shortname = "wheel only",
+	.setup = litest_wheel_only_setup,
+	.interface = NULL,
+
+	.name = "wheel only device",
+	.id = &input_id,
+	.absinfo = NULL,
+	.events = events,
+	.udev_rule = udev_rule,
+};

test/litest.c

@@ -99,6 +99,7 @@ extern struct litest_test_device litest_synaptics_carbon3rd_device;
 extern struct litest_test_device litest_protocol_a_screen;
 extern struct litest_test_device litest_wacom_finger_device;
 extern struct litest_test_device litest_keyboard_blackwidow_device;
+extern struct litest_test_device litest_wheel_only_device;
 
 struct litest_test_device* devices[] = {
 	&litest_synaptics_clickpad_device,
@@ -119,6 +120,7 @@ struct litest_test_device* devices[] = {
 	&litest_protocol_a_screen,
 	&litest_wacom_finger_device,
 	&litest_keyboard_blackwidow_device,
+	&litest_wheel_only_device,
 	NULL,
 };
 

test/litest.h

@@ -54,6 +54,7 @@ enum litest_device_type {
 	LITEST_PROTOCOL_A_SCREEN = -18,
 	LITEST_WACOM_FINGER = -19,
 	LITEST_KEYBOARD_BLACKWIDOW = -20,
+	LITEST_WHEEL_ONLY = -21,
 };
 
 enum litest_device_feature {