diff --git a/providers/lldp/src/test/java/org/onosproject/provider/lldp/impl/SuppressionConfigTest.java b/providers/lldp/src/test/java/org/onosproject/provider/lldp/impl/SuppressionConfigTest.java
new file mode 100644
index 0000000..781ed17
--- /dev/null
+++ b/providers/lldp/src/test/java/org/onosproject/provider/lldp/impl/SuppressionConfigTest.java
@@ -0,0 +1,86 @@
+package org.onosproject.provider.lldp.impl;
+
+import static org.junit.Assert.*;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.TestApplicationId;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.config.ConfigApplyDelegate;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class SuppressionConfigTest {
+    private static final String APP_NAME = "SuppressionConfigTest";
+    private static final TestApplicationId APP_ID = new TestApplicationId(APP_NAME);
+    private static final DeviceId DEVICE_ID_1 = DeviceId.deviceId("of:1111000000000000");
+    private static final DeviceId DEVICE_ID_2 = DeviceId.deviceId("of:2222000000000000");
+    private static final Device.Type DEVICE_TYPE_1 = Device.Type.ROADM;
+    private static final Device.Type DEVICE_TYPE_2 = Device.Type.FIBER_SWITCH;
+    private static final String ANNOTATION_KEY_1 = "no_lldp";
+    private static final String ANNOTATION_VALUE_1 = "true";
+    private static final String ANNOTATION_KEY_2 = "sendLLDP";
+    private static final String ANNOTATION_VALUE_2 = "false";
+
+    private SuppressionConfig cfg;
+
+    @Before
+    public void setUp() throws Exception {
+        ConfigApplyDelegate delegate = config -> { };
+        ObjectMapper mapper = new ObjectMapper();
+        cfg = new SuppressionConfig();
+        cfg.init(APP_ID, LldpLinkProvider.CONFIG_KEY, JsonNodeFactory.instance.objectNode(), mapper, delegate);
+    }
+
+    @Test
+    public void testDeviceIds() {
+        Set<DeviceId> inputIds = new HashSet<DeviceId>() { {
+            add(DEVICE_ID_1);
+            add(DEVICE_ID_2);
+        } };
+
+        assertNotNull(cfg.deviceIds(inputIds));
+
+        Set<DeviceId> outputIds = cfg.deviceIds();
+        assertTrue(outputIds.contains(DEVICE_ID_1));
+        assertTrue(outputIds.contains(DEVICE_ID_2));
+        assertEquals(outputIds.size(), 2);
+    }
+
+    @Test
+    public void testDeviceTypes() {
+        Set<Device.Type> inputTypes = new HashSet<Device.Type>() { {
+            add(DEVICE_TYPE_1);
+            add(DEVICE_TYPE_2);
+        } };
+
+        assertNotNull(cfg.deviceTypes(inputTypes));
+
+        Set<Device.Type> outputTypes = cfg.deviceTypes();
+        assertTrue(outputTypes.contains(DEVICE_TYPE_1));
+        assertTrue(outputTypes.contains(DEVICE_TYPE_2));
+        assertEquals(outputTypes.size(), 2);
+    }
+
+    @Test
+    public void testDeviceAnnotation() {
+        Map<String, String> inputMap = new HashMap<String, String>() { {
+            put(ANNOTATION_KEY_1, ANNOTATION_VALUE_1);
+            put(ANNOTATION_KEY_2, ANNOTATION_VALUE_2);
+        } };
+
+        assertNotNull(cfg.annotation(inputMap));
+
+        Map<String, String> outputMap = cfg.annotation();
+        assertEquals(outputMap.get(ANNOTATION_KEY_1), ANNOTATION_VALUE_1);
+        assertEquals(outputMap.get(ANNOTATION_KEY_2), ANNOTATION_VALUE_2);
+        assertEquals(outputMap.size(), 2);
+    }
+
+}