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

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cros_ec_cmd() is a wrapper of cros_ec_cmd_xfer_status().

Add Kunit test for cros_ec_cmd().

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220622041040.202737-8-tzungbi@kernel.org
This commit is contained in:
Tzung-Bi Shih 2022-06-22 04:10:40 +00:00
parent 33f0fdba60
commit 9399b2cb20
1 changed files with 48 additions and 0 deletions
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48
drivers/platform/chrome/cros_ec_proto_test.c
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@ -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),
{}
};