Commit 9399b2cb authored by Tzung-Bi Shih's avatar Tzung-Bi Shih
Browse files

platform/chrome: cros_ec_proto: add Kunit test for cros_ec_cmd() 



cros_ec_cmd() is a wrapper of cros_ec_cmd_xfer_status().

Add Kunit test for cros_ec_cmd().

Signed-off-by: default avatarTzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: default avatarGuenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220622041040.202737-8-tzungbi@kernel.org
parent 33f0fdba

drivers/platform/chrome/cros_ec_proto_test.c

+48 −0
Original line number Diff line number Diff line
@@ -2592,6 +2592,53 @@ static void cros_ec_proto_test_get_sensor_count_legacy(struct kunit *test) 
	}

}



static void cros_ec_proto_test_ec_cmd(struct kunit *test)

{

	struct cros_ec_proto_test_priv *priv = test->priv;

	struct cros_ec_device *ec_dev = &priv->ec_dev;

	struct ec_xfer_mock *mock;

	int ret;

	u8 out[3], in[2];



	ec_dev->max_request = 0xff;

	ec_dev->max_response = 0xee;



	out[0] = 0xdd;

	out[1] = 0xcc;

	out[2] = 0xbb;



	{

		u8 *data;



		mock = cros_kunit_ec_xfer_mock_add(test, 2);

		KUNIT_ASSERT_PTR_NE(test, mock, NULL);



		data = (u8 *)mock->o_data;

		data[0] = 0xaa;

		data[1] = 0x99;

	}



	ret = cros_ec_cmd(ec_dev, 0x88, 0x77, out, ARRAY_SIZE(out), in, ARRAY_SIZE(in));

	KUNIT_EXPECT_EQ(test, ret, 2);



	{

		u8 *data;



		mock = cros_kunit_ec_xfer_mock_next();

		KUNIT_EXPECT_PTR_NE(test, mock, NULL);



		KUNIT_EXPECT_EQ(test, mock->msg.version, 0x88);

		KUNIT_EXPECT_EQ(test, mock->msg.command, 0x77);

		KUNIT_EXPECT_EQ(test, mock->msg.insize, ARRAY_SIZE(in));

		KUNIT_EXPECT_EQ(test, mock->msg.outsize, ARRAY_SIZE(out));



		data = (u8 *)mock->i_data;

		KUNIT_EXPECT_EQ(test, data[0], 0xdd);

		KUNIT_EXPECT_EQ(test, data[1], 0xcc);

		KUNIT_EXPECT_EQ(test, data[2], 0xbb);

	}

}



static void cros_ec_proto_test_release(struct device *dev)

{

}
@@ -2690,6 +2737,7 @@ static struct kunit_case cros_ec_proto_test_cases[] = { 
	KUNIT_CASE(cros_ec_proto_test_get_sensor_count_normal),

	KUNIT_CASE(cros_ec_proto_test_get_sensor_count_xfer_error),

	KUNIT_CASE(cros_ec_proto_test_get_sensor_count_legacy),

	KUNIT_CASE(cros_ec_proto_test_ec_cmd),

	{}

};