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

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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: Dana Elfassy <dangel101@gmail.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20230522215514.722564-1-dangel101@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dana Elfassy 2023-05-23 14:49:42 -07:00 committed by Dmitry Torokhov
parent 3615536c92
commit b003156280
1 changed files with 32 additions and 0 deletions
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32
drivers/input/tests/input_test.c
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@ -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 */ }
};