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authorTzung-Bi Shih <tzungbi@kernel.org>2022-07-18 05:09:13 +0000
committerTzung-Bi Shih <tzungbi@kernel.org>2022-07-20 01:22:58 +0000
commit82c9b7ed8c5c5cb4ba2650c240fcd31cbdcfa0b5 (patch)
tree9df6312360abd77b42998642e486a91a5f5dd27b /drivers/platform
parent7f95d2b68b9a4f6624438f2d7dbad01c157b92a6 (diff)
platform/chrome: cros_ec_proto: add Kunit test for empty payload
cros_ec_wait_until_complete() sends EC_CMD_GET_COMMS_STATUS which expects to receive sizeof(struct ec_response_get_comms_status) from cros_ec_xfer_command(). Add Kunit test and expect to receive an error code when cros_ec_xfer_command() returns 0. Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> Link: https://lore.kernel.org/r/20220718050914.2267370-10-tzungbi@kernel.org
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/chrome/cros_ec_proto_test.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c
index fbb872040711..d76e09b8a36a 100644
--- a/drivers/platform/chrome/cros_ec_proto_test.c
+++ b/drivers/platform/chrome/cros_ec_proto_test.c
@@ -1934,6 +1934,36 @@ static void cros_ec_proto_test_cmd_xfer_in_progress_return_error(struct kunit *t
KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 2);
}
+static void cros_ec_proto_test_cmd_xfer_in_progress_return0(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;
+ struct cros_ec_command msg;
+
+ memset(&msg, 0, sizeof(msg));
+
+ ec_dev->pkt_xfer = cros_kunit_ec_pkt_xfer_mock;
+
+ /* For the first host command to return EC_RES_IN_PROGRESS. */
+ {
+ mock = cros_kunit_ec_xfer_mock_addx(test, 0, EC_RES_IN_PROGRESS, 0);
+ KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+ }
+
+ /* For EC_CMD_GET_COMMS_STATUS. */
+ {
+ mock = cros_kunit_ec_xfer_mock_add(test, 0);
+ KUNIT_ASSERT_PTR_NE(test, mock, NULL);
+ }
+
+ ret = cros_ec_cmd_xfer(ec_dev, &msg);
+ KUNIT_EXPECT_EQ(test, ret, -EPROTO);
+
+ KUNIT_EXPECT_EQ(test, cros_kunit_ec_pkt_xfer_mock_called, 2);
+}
+
static void cros_ec_proto_test_release(struct device *dev)
{
}
@@ -2013,6 +2043,7 @@ static struct kunit_case cros_ec_proto_test_cases[] = {
KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_retries_status_processing),
KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_xfer_error),
KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_return_error),
+ KUNIT_CASE(cros_ec_proto_test_cmd_xfer_in_progress_return0),
{}
};