diff --git a/core/api/src/test/java/org/onosproject/net/config/ConfigTest.java b/core/api/src/test/java/org/onosproject/net/config/ConfigTest.java
new file mode 100644
index 0000000..34b0fe7
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/config/ConfigTest.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2014-2015 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;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.onosproject.net.config.Config.FieldPresence.MANDATORY;
+import static org.onosproject.net.config.Config.FieldPresence.OPTIONAL;
+
+/**
+ * Test of the base network config class.
+ */
+public class ConfigTest {
+
+    private static final String SUBJECT = "subject";
+    private static final String KEY = "key";
+
+    private static final String TEXT = "text";
+    private static final String LONG = "long";
+    private static final String DOUBLE = "double";
+    private static final String MAC = "mac";
+    private static final String IP = "ip";
+
+    private final ObjectMapper mapper = new ObjectMapper();
+    private final ConfigApplyDelegate delegate = new TestDelegate();
+
+    private Config<String> cfg;
+    private JsonNode json;
+
+    @Before
+    public void setUp() {
+        json = new ObjectMapper().createObjectNode()
+                .put(TEXT, "foo").put(LONG, 5).put(DOUBLE, 0.5)
+                .put(MAC, "ab:cd:ef:ca:fe:ed").put(IP, "12.34.56.78");
+        cfg = new TestConfig();
+        cfg.init(SUBJECT, KEY, json, mapper, delegate);
+    }
+
+    @Test
+    public void hasOnlyFields() {
+        assertTrue("has unexpected fields", cfg.hasOnlyFields(TEXT, LONG, DOUBLE, MAC, IP));
+        assertFalse("did not detect unexpected fields", cfg.hasOnlyFields(TEXT, LONG, DOUBLE, MAC));
+        assertTrue("is not proper text", cfg.isString(TEXT, MANDATORY));
+    }
+
+    @Test
+    public void isString() {
+        assertTrue("is not proper text", cfg.isString(TEXT, MANDATORY));
+        assertTrue("is not proper text", cfg.isString(TEXT, MANDATORY, "^f.*"));
+        assertTrue("is not proper text", cfg.isString(TEXT, OPTIONAL, "^f.*"));
+        assertTrue("is not proper text", cfg.isString(TEXT, OPTIONAL));
+        assertTrue("is not proper text", cfg.isString("none", OPTIONAL));
+        assertFalse("did not detect missing field", cfg.isString("none", MANDATORY));
+    }
+
+    @Test
+    public void isNumber() {
+        assertTrue("is not proper number", cfg.isNumber(LONG, MANDATORY));
+        assertTrue("is not proper number", cfg.isNumber(LONG, MANDATORY, 0));
+        assertTrue("is not proper number", cfg.isNumber(LONG, MANDATORY, 0, 10));
+        assertTrue("is not proper number", cfg.isNumber(LONG, MANDATORY, 5, 6));
+        assertFalse("is not in range", cfg.isNumber(LONG, MANDATORY, 6, 10));
+        assertFalse("is not in range", cfg.isNumber(LONG, MANDATORY, 4, 5));
+        assertTrue("is not proper number", cfg.isNumber(LONG, OPTIONAL, 0, 10));
+        assertTrue("is not proper number", cfg.isNumber(LONG, OPTIONAL));
+        assertTrue("is not proper number", cfg.isNumber("none", OPTIONAL));
+        assertFalse("did not detect missing field", cfg.isNumber("none", MANDATORY));
+    }
+
+    @Test
+    public void isDecimal() {
+        assertTrue("is not proper decimal", cfg.isDecimal(DOUBLE, MANDATORY));
+        assertTrue("is not proper decimal", cfg.isDecimal(DOUBLE, MANDATORY, 0.0));
+        assertTrue("is not proper decimal", cfg.isDecimal(DOUBLE, MANDATORY, 0.0, 1.0));
+        assertTrue("is not proper decimal", cfg.isDecimal(DOUBLE, MANDATORY, 0.5, 0.6));
+        assertFalse("is not in range", cfg.isDecimal(DOUBLE, MANDATORY, 0.6, 1.0));
+        assertFalse("is not in range", cfg.isDecimal(DOUBLE, MANDATORY, 0.4, 0.5));
+        assertTrue("is not proper decimal", cfg.isDecimal(DOUBLE, OPTIONAL, 0.0, 1.0));
+        assertTrue("is not proper decimal", cfg.isDecimal(DOUBLE, OPTIONAL));
+        assertTrue("is not proper decimal", cfg.isDecimal("none", OPTIONAL));
+        assertFalse("did not detect missing field", cfg.isDecimal("none", MANDATORY));
+    }
+
+    @Test
+    public void isMacAddress() {
+        assertTrue("is not proper mac", cfg.isMacAddress(MAC, MANDATORY));
+        assertTrue("is not proper mac", cfg.isMacAddress(MAC, OPTIONAL));
+        assertTrue("is not proper mac", cfg.isMacAddress("none", OPTIONAL));
+        assertFalse("did not detect missing field", cfg.isMacAddress("none", MANDATORY));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void badMacAddress() {
+        assertTrue("is not proper mac", cfg.isMacAddress(TEXT, MANDATORY));
+    }
+
+
+    @Test
+    public void isIpAddress() {
+        assertTrue("is not proper ip", cfg.isIpAddress(IP, MANDATORY));
+        assertTrue("is not proper ip", cfg.isIpAddress(IP, OPTIONAL));
+        assertTrue("is not proper ip", cfg.isIpAddress("none", OPTIONAL));
+        assertFalse("did not detect missing field", cfg.isMacAddress("none", MANDATORY));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void badIpAddress() {
+        assertTrue("is not proper ip", cfg.isIpAddress(TEXT, MANDATORY));
+    }
+
+
+    // TODO: Add tests for other helper methods
+
+    private class TestConfig extends Config<String> {
+    }
+
+    private class TestDelegate implements ConfigApplyDelegate {
+        @Override
+        public void onApply(Config config) {
+        }
+    }
+}
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