diff --git a/unittest/vslib/Makefile.am b/unittest/vslib/Makefile.am
index 2623efafb250..c1ab51fd8a17 100644
--- a/unittest/vslib/Makefile.am
+++ b/unittest/vslib/Makefile.am
@@ -29,6 +29,7 @@ testslibsaivs_SOURCES =	main_libsaivs.cpp \
 				test_sai_vs_isolation_group.cpp \
 				test_sai_vs_mcastfdb.cpp \
 				test_sai_vs_mirror.cpp \
+				test_sai_vs_mpls.cpp \
 				test_sai_vs_hash.cpp \
 				test_sai_vs_vlan.cpp \
 				test_sai_vs_hostif.cpp \
diff --git a/unittest/vslib/test_sai_vs_mpls.cpp b/unittest/vslib/test_sai_vs_mpls.cpp
new file mode 100644
index 000000000000..efab94955226
--- /dev/null
+++ b/unittest/vslib/test_sai_vs_mpls.cpp
@@ -0,0 +1,28 @@
+#include <gtest/gtest.h>
+
+extern "C" {
+#include "sai.h"
+}
+
+#include "swss/logger.h"
+
+TEST(libsaivs, mpls)
+{
+    sai_mpls_api_t *api = nullptr;
+
+    sai_api_query(SAI_API_MPLS, (void**)&api);
+
+    EXPECT_NE(api, nullptr);
+
+    sai_inseg_entry_t id ;
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_inseg_entry(&id,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_inseg_entry(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_inseg_entry_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_inseg_entry_attribute(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_inseg_entries(0,0,0,0,SAI_BULK_OP_ERROR_MODE_IGNORE_ERROR,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_inseg_entries(0,0,SAI_BULK_OP_ERROR_MODE_IGNORE_ERROR,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_inseg_entries_attribute(0,0,0,SAI_BULK_OP_ERROR_MODE_IGNORE_ERROR,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_inseg_entries_attribute(0,0,0,0,SAI_BULK_OP_ERROR_MODE_IGNORE_ERROR,0));
+}