Add lag tests

unittest/vslib/Makefile.am

@@ -23,6 +23,7 @@ testslibsaivs_SOURCES =	main_libsaivs.cpp \
 				test_sai_vs_ipmc.cpp \
 				test_sai_vs_l2mc.cpp \
 				test_sai_vs_l2mcgroup.cpp \
+				test_sai_vs_lag.cpp \
 				test_sai_vs_ipmc_group.cpp \
 				test_sai_vs_isolation_group.cpp \
 				test_sai_vs_hash.cpp \

unittest/vslib/test_sai_vs_lag.cpp

@@ -0,0 +1,31 @@
+#include <gtest/gtest.h>
+
+extern "C" {
+#include "sai.h"
+}
+
+#include "swss/logger.h"
+
+TEST(libsaivs, lag)
+{
+    sai_lag_api_t *api = nullptr;
+
+    sai_api_query(SAI_API_LAG, (void**)&api);
+
+    EXPECT_NE(api, nullptr);
+
+    sai_object_id_t id;
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_lag(&id,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_lag(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_lag_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_lag_attribute(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_lag_member(&id,0,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_lag_member(0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->set_lag_member_attribute(0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->get_lag_member_attribute(0,0,0));
+
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->create_lag_members(0,0,0,0,SAI_BULK_OP_ERROR_MODE_IGNORE_ERROR,0,0));
+    EXPECT_NE(SAI_STATUS_SUCCESS, api->remove_lag_members(0,0,SAI_BULK_OP_ERROR_MODE_IGNORE_ERROR,0));
+}