diff --git a/unittest/vslib/Makefile.am b/unittest/vslib/Makefile.am
index 1022a88319f4..88af94614e15 100644
--- a/unittest/vslib/Makefile.am
+++ b/unittest/vslib/Makefile.am
@@ -35,6 +35,7 @@ testslibsaivs_SOURCES =	main_libsaivs.cpp \
 				test_sai_vs_neighbor.cpp \
 				test_sai_vs_nexthop.cpp \
 				test_sai_vs_nexthopgroup.cpp \
+				test_sai_vs_port.cpp \
 				test_sai_vs_policer.cpp \
 				test_sai_vs_vlan.cpp \
 				test_sai_vs_hostif.cpp \
diff --git a/unittest/vslib/test_sai_vs_port.cpp b/unittest/vslib/test_sai_vs_port.cpp
new file mode 100644
index 000000000000..91d5e43d1ade
--- /dev/null
+++ b/unittest/vslib/test_sai_vs_port.cpp
@@ -0,0 +1,48 @@
+#include <gtest/gtest.h>
+
+extern "C" {
+#include "sai.h"
+}
+
+#include "swss/logger.h"
+
+TEST(libsaivs, port)
+{
+    sai_port_api_t *api = nullptr;
+
+    sai_api_query(SAI_API_PORT, (void**)&api);
+
+    EXPECT_NE(api, nullptr);
+
+    sai_object_id_t id;
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_port(&id,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_port(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_port_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_attribute(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_stats(0,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_stats_ext(0,0,0,SAI_STATS_MODE_READ,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->clear_port_stats(0,0,0));
+
+    EXPECT_EQ(SAI_STATUS_NOT_IMPLEMENTED, api->clear_port_all_stats(0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_port_pool(&id,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_port_pool(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_port_pool_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_pool_attribute(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_pool_stats(0,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_pool_stats_ext(0,0,0,SAI_STATS_MODE_READ,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->clear_port_pool_stats(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_port_connector(&id,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_port_connector(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_port_connector_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_connector_attribute(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_port_serdes(&id,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_port_serdes(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_port_serdes_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_port_serdes_attribute(0,0,0));
+}