Commit b0031562 authored by Dana Elfassy's avatar Dana Elfassy Committed by Dmitry Torokhov
Browse files

Input: tests - add test to cover all input_grab_device() function



Currently input_grab_device() isn't covered by any tests
Thus, adding a test to cover the cases:
1. The device is grabbed successfully
2. Trying to grab a device that is already grabbed by another input
   handle

Signed-off-by: default avatarDana Elfassy <dangel101@gmail.com>
Tested-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Reviewed-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20230522215514.722564-1-dangel101@gmail.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 3615536c
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+32 −0
Original line number Diff line number Diff line
@@ -130,10 +130,42 @@ static void input_test_match_device_id(struct kunit *test)
	KUNIT_ASSERT_FALSE(test, input_match_device_id(input_dev, &id));
}

static void input_test_grab(struct kunit *test)
{
	struct input_dev *input_dev = test->priv;
	struct input_handle test_handle;
	struct input_handler handler;
	struct input_handle handle;
	struct input_device_id id;
	int res;

	handler.name = "handler";
	handler.id_table = &id;

	handle.dev = input_get_device(input_dev);
	handle.name = dev_name(&input_dev->dev);
	handle.handler = &handler;
	res = input_grab_device(&handle);
	KUNIT_ASSERT_TRUE(test, res == 0);

	test_handle.dev = input_get_device(input_dev);
	test_handle.name = dev_name(&input_dev->dev);
	test_handle.handler = &handler;
	res = input_grab_device(&test_handle);
	KUNIT_ASSERT_EQ(test, res, -EBUSY);

	input_release_device(&handle);
	input_put_device(input_dev);
	res = input_grab_device(&test_handle);
	KUNIT_ASSERT_TRUE(test, res == 0);
	input_put_device(input_dev);
}

static struct kunit_case input_tests[] = {
	KUNIT_CASE(input_test_polling),
	KUNIT_CASE(input_test_timestamp),
	KUNIT_CASE(input_test_match_device_id),
	KUNIT_CASE(input_test_grab),
	{ /* sentinel */ }
};