diff --git a/core/api/src/test/java/org/onosproject/net/config/basics/BasicElementConfigTest.java b/core/api/src/test/java/org/onosproject/net/config/basics/BasicElementConfigTest.java
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+++ b/core/api/src/test/java/org/onosproject/net/config/basics/BasicElementConfigTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.net.config.basics;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.onosproject.net.config.basics.BasicElementConfig.ZERO_THRESHOLD;
+
+/**
+ * Unit tests for {@link BasicElementConfig}.
+ */
+public class BasicElementConfigTest {
+
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    private static final String E1 = "e1";
+
+    // concrete subclass of abstract class we are testing
+    private static class ElmCfg extends BasicElementConfig<String> {
+        ElmCfg() {
+            object = MAPPER.createObjectNode();
+        }
+
+        @Override
+        public String toString() {
+            return object.toString();
+        }
+    }
+
+    private static void print(String fmt, Object... args) {
+        System.out.println(String.format(fmt, args));
+    }
+
+    private static void print(Object o) {
+        print("%s", o);
+    }
+
+    private BasicElementConfig<?> cfg;
+
+    @Before
+    public void setUp() {
+        cfg = new ElmCfg().name(E1);
+    }
+
+    @Test
+    public void basicNoGeo() {
+        print(cfg);
+        assertFalse("geo set?", cfg.geoCoordsSet());
+        assertEquals("lat", 0.0, cfg.latitude(), ZERO_THRESHOLD);
+        assertEquals("lon", 0.0, cfg.longitude(), ZERO_THRESHOLD);
+    }
+
+    @Test
+    public void geoLatitudeOnly() {
+        cfg.latitude(0.1);
+        print(cfg);
+        assertTrue("geo NOT set", cfg.geoCoordsSet());
+        assertEquals("lat", 0.1, cfg.latitude(), ZERO_THRESHOLD);
+        assertEquals("lon", 0.0, cfg.longitude(), ZERO_THRESHOLD);
+    }
+
+    @Test
+    public void geoLongitudeOnly() {
+        cfg.longitude(-0.1);
+        print(cfg);
+        assertTrue("geo NOT set", cfg.geoCoordsSet());
+        assertEquals("lat", 0.0, cfg.latitude(), ZERO_THRESHOLD);
+        assertEquals("lon", -0.1, cfg.longitude(), ZERO_THRESHOLD);
+    }
+
+    @Test
+    public void geoLatLong() {
+        cfg.latitude(3.1415).longitude(2.71828);
+        print(cfg);
+        assertTrue("geo NOT set", cfg.geoCoordsSet());
+        assertEquals("lat", 3.1415, cfg.latitude(), ZERO_THRESHOLD);
+        assertEquals("lon", 2.71828, cfg.longitude(), ZERO_THRESHOLD);
+    }
+}