diff --git a/host-bmc/test/custom_dbus_test.cpp b/host-bmc/test/custom_dbus_test.cpp
index be23924..cce0a92 100644
--- a/host-bmc/test/custom_dbus_test.cpp
+++ b/host-bmc/test/custom_dbus_test.cpp
@@ -14,3 +14,15 @@
     EXPECT_NE(retLocationCode, std::nullopt);
     EXPECT_EQ(locationCode, retLocationCode);
 }
+
+TEST(CustomDBus, MicroCode)
+{
+    std::string tmpPath = "/abc/def";
+    uint32_t value = 32;
+
+    CustomDBus::getCustomDBus().setMicroCode(tmpPath, value);
+    auto retMicroCode = CustomDBus::getCustomDBus().getMicroCode(tmpPath);
+
+    EXPECT_NE(retMicroCode, std::nullopt);
+    EXPECT_EQ(value, retMicroCode);
+}