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Subject[PATCH 4/7] platform/chrome: cros_ec_proto: add Kunit tests for get_host_event
Date
cros_ec_get_host_event() performs some sanity checks, parses
`ec_dev->event_data.data.host_event`, and returns bitmap of
EC_HOST_EVENT_*.

Add Kunit tests for cros_ec_get_host_event().

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
drivers/platform/chrome/cros_ec_proto_test.c | 59 ++++++++++++++++++++
1 file changed, 59 insertions(+)

diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c
index 64c4b79f7a0c..dce9fa3b9c8d 100644
--- a/drivers/platform/chrome/cros_ec_proto_test.c
+++ b/drivers/platform/chrome/cros_ec_proto_test.c
@@ -2312,6 +2312,61 @@ static void cros_ec_proto_test_get_next_event_mkbp_event_host_event_masked(struc
}
}

+static void cros_ec_proto_test_get_host_event_no_mkbp_event(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ int ret;
+
+ ec_dev->mkbp_event_supported = 0;
+
+ ret = cros_ec_get_host_event(ec_dev);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
+static void cros_ec_proto_test_get_host_event_not_host_event(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ int ret;
+
+ ec_dev->mkbp_event_supported = 1;
+ ec_dev->event_data.event_type = EC_MKBP_EVENT_FINGERPRINT;
+
+ ret = cros_ec_get_host_event(ec_dev);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
+static void cros_ec_proto_test_get_host_event_wrong_event_size(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ int ret;
+
+ ec_dev->mkbp_event_supported = 1;
+ ec_dev->event_data.event_type = EC_MKBP_EVENT_HOST_EVENT;
+ ec_dev->event_size = 0xff;
+
+ ret = cros_ec_get_host_event(ec_dev);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
+static void cros_ec_proto_test_get_host_event_normal(struct kunit *test)
+{
+ struct cros_ec_proto_test_priv *priv = test->priv;
+ struct cros_ec_device *ec_dev = &priv->ec_dev;
+ int ret;
+
+ ec_dev->mkbp_event_supported = 1;
+ ec_dev->event_data.event_type = EC_MKBP_EVENT_HOST_EVENT;
+ ec_dev->event_size = sizeof(ec_dev->event_data.data.host_event);
+ put_unaligned_le32(EC_HOST_EVENT_MASK(EC_HOST_EVENT_RTC),
+ &ec_dev->event_data.data.host_event);
+
+ ret = cros_ec_get_host_event(ec_dev);
+ KUNIT_EXPECT_EQ(test, ret, EC_HOST_EVENT_MASK(EC_HOST_EVENT_RTC));
+}
+
static void cros_ec_proto_test_release(struct device *dev)
{
}
@@ -2401,6 +2456,10 @@ static struct kunit_case cros_ec_proto_test_cases[] = {
KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_version2),
KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_host_event_rtc),
KUNIT_CASE(cros_ec_proto_test_get_next_event_mkbp_event_host_event_masked),
+ KUNIT_CASE(cros_ec_proto_test_get_host_event_no_mkbp_event),
+ KUNIT_CASE(cros_ec_proto_test_get_host_event_not_host_event),
+ KUNIT_CASE(cros_ec_proto_test_get_host_event_wrong_event_size),
+ KUNIT_CASE(cros_ec_proto_test_get_host_event_normal),
{}
};

--
2.37.0.rc0.104.g0611611a94-goog
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