diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/PtToPtIntentVirtualNetworkProviderTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/PtToPtIntentVirtualNetworkProviderTest.java
new file mode 100644
index 0000000..2f2926b
--- /dev/null
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/PtToPtIntentVirtualNetworkProviderTest.java
@@ -0,0 +1,249 @@
+/*
+ * 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.incubator.net.virtual.impl;
+
+import com.google.common.collect.Sets;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.TestApplicationId;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.core.IdGenerator;
+import org.onosproject.incubator.net.tunnel.TunnelId;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualNetworkProvider;
+import org.onosproject.incubator.net.virtual.VirtualNetworkProviderRegistry;
+import org.onosproject.incubator.net.virtual.VirtualNetworkProviderService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.intent.Intent;
+import org.onosproject.net.intent.IntentService;
+import org.onosproject.net.intent.IntentServiceAdapter;
+import org.onosproject.net.intent.IntentState;
+import org.onosproject.net.intent.Key;
+import org.onosproject.net.intent.MockIdGenerator;
+import org.onosproject.net.provider.AbstractProviderService;
+import org.onosproject.net.provider.ProviderId;
+
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static org.easymock.EasyMock.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * Junit tests for PtToPtIntentVirtualNetworkProvider.
+ */
+public class PtToPtIntentVirtualNetworkProviderTest {
+
+    private PtToPtIntentVirtualNetworkProvider provider;
+    private VirtualNetworkProviderRegistry providerRegistry;
+
+    private final VirtualNetworkRegistryAdapter virtualNetworkRegistry = new VirtualNetworkRegistryAdapter();
+    private IntentService intentService;
+
+    private static final ApplicationId APP_ID =
+            TestApplicationId.create(PtToPtIntentVirtualNetworkProvider.PTPT_INTENT_APPID);
+
+    private IdGenerator idGenerator = new MockIdGenerator();
+
+    @Before
+    public void setUp() {
+        provider = new PtToPtIntentVirtualNetworkProvider();
+        provider.providerRegistry = virtualNetworkRegistry;
+        final CoreService mockCoreService = createMock(CoreService.class);
+        provider.coreService = mockCoreService;
+        expect(mockCoreService.registerApplication(PtToPtIntentVirtualNetworkProvider.PTPT_INTENT_APPID))
+                .andReturn(APP_ID).anyTimes();
+        replay(mockCoreService);
+        Intent.unbindIdGenerator(idGenerator);
+        Intent.bindIdGenerator(idGenerator);
+
+        intentService = new TestIntentService();
+        provider.intentService = intentService;
+        provider.activate();
+    }
+
+    @After
+    public void tearDown() {
+        provider.deactivate();
+        provider.providerRegistry = null;
+        provider.coreService = null;
+        provider.intentService = null;
+        Intent.unbindIdGenerator(idGenerator);
+    }
+
+    @Test
+    public void basics() {
+        assertNotNull("registration expected", provider);
+    }
+
+    /**
+     * Test a null network identifier.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testCreateTunnelNullNetworkId() {
+        provider.createTunnel(null, null, null);
+    }
+
+    /**
+     * Test a null source connect point.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testCreateTunnelNullSrc() {
+        ConnectPoint dst = new ConnectPoint(DeviceId.deviceId("device2"), PortNumber.portNumber(2));
+
+        provider.createTunnel(NetworkId.networkId(0), null, dst);
+    }
+
+    /**
+     * Test a null destination connect point.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testCreateTunnelNullDst() {
+        ConnectPoint src = new ConnectPoint(DeviceId.deviceId("device1"), PortNumber.portNumber(1));
+
+        provider.createTunnel(NetworkId.networkId(0), src, null);
+    }
+
+    /**
+     * Test creating/destroying a valid tunnel.
+     */
+    @Test
+    public void testCreateRemoveTunnel() {
+        NetworkId networkId = NetworkId.networkId(0);
+        ConnectPoint src = new ConnectPoint(DeviceId.deviceId("device1"), PortNumber.portNumber(1));
+        ConnectPoint dst = new ConnectPoint(DeviceId.deviceId("device2"), PortNumber.portNumber(2));
+
+        TunnelId tunnelId = provider.createTunnel(networkId, src, dst);
+        String key = String.format(PtToPtIntentVirtualNetworkProvider.KEY_FORMAT,
+                                   networkId.toString(), src.toString(), dst.toString());
+
+        assertEquals("TunnelId does not match as expected.", key, tunnelId.toString());
+        provider.destroyTunnel(networkId, tunnelId);
+    }
+
+    /**
+     * Virtual network registry implementation for this test class.
+     */
+    private class VirtualNetworkRegistryAdapter implements VirtualNetworkProviderRegistry {
+        private VirtualNetworkProvider provider;
+
+        @Override
+        public VirtualNetworkProviderService register(VirtualNetworkProvider theProvider) {
+            this.provider = theProvider;
+            return new TestVirtualNetworkProviderService(theProvider);
+        }
+
+        @Override
+        public void unregister(VirtualNetworkProvider theProvider) {
+            this.provider = null;
+        }
+
+        @Override
+        public Set<ProviderId> getProviders() {
+            return null;
+        }
+    }
+
+    /**
+     * Virtual network provider service implementation for this test class.
+     */
+    private class TestVirtualNetworkProviderService
+            extends AbstractProviderService<VirtualNetworkProvider>
+            implements VirtualNetworkProviderService {
+
+        protected TestVirtualNetworkProviderService(VirtualNetworkProvider provider) {
+            super(provider);
+        }
+    }
+
+
+    /**
+     * Core service test class.
+     */
+    private class TestCoreService extends CoreServiceAdapter {
+
+        @Override
+        public IdGenerator getIdGenerator(String topic) {
+            return new IdGenerator() {
+                private AtomicLong counter = new AtomicLong(0);
+
+                @Override
+                public long getNewId() {
+                    return counter.getAndIncrement();
+                }
+            };
+        }
+    }
+
+    /**
+     * Represents a fake IntentService class that easily allows to store and
+     * retrieve intents without implementing the IntentService logic.
+     */
+    private class TestIntentService extends IntentServiceAdapter {
+
+        private Set<Intent> intents;
+
+        public TestIntentService() {
+            intents = Sets.newHashSet();
+        }
+
+        @Override
+        public void submit(Intent intent) {
+            intents.add(intent);
+        }
+
+        @Override
+        public void withdraw(Intent intent) {
+        }
+
+        @Override
+        public IntentState getIntentState(Key intentKey) {
+            return IntentState.WITHDRAWN;
+        }
+
+        @Override
+        public void purge(Intent intent) {
+            intents.remove(intent);
+        }
+
+        @Override
+        public long getIntentCount() {
+            return intents.size();
+        }
+
+        @Override
+        public Iterable<Intent> getIntents() {
+            return intents;
+        }
+
+        @Override
+        public Intent getIntent(Key intentKey) {
+            for (Intent intent : intents) {
+                if (intent.key().equals(intentKey)) {
+                    return intent;
+                }
+            }
+            return null;
+        }
+    }
+}
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
index 214e252..837b501 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
@@ -27,7 +27,6 @@
 import org.onosproject.core.CoreServiceAdapter;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.event.Event;
-import org.onosproject.incubator.net.tunnel.TunnelId;
 import org.onosproject.incubator.net.virtual.DefaultVirtualNetwork;
 import org.onosproject.incubator.net.virtual.NetworkId;
 import org.onosproject.incubator.net.virtual.TenantId;
@@ -247,8 +246,8 @@
                 manager.createVirtualDevice(virtualNetwork1.id(), DeviceId.deviceId(deviceIdValue2));
         ConnectPoint src = new ConnectPoint(srcVirtualDevice.id(), PortNumber.portNumber(1));
         ConnectPoint dst = new ConnectPoint(dstVirtualDevice.id(), PortNumber.portNumber(2));
-        manager.createVirtualLink(virtualNetwork1.id(), src, dst, TunnelId.valueOf(0));
-        manager.createVirtualLink(virtualNetwork1.id(), dst, src, TunnelId.valueOf(1));
+        manager.createVirtualLink(virtualNetwork1.id(), src, dst);
+        manager.createVirtualLink(virtualNetwork1.id(), dst, src);
 
         Set<VirtualLink> virtualLinks = manager.getVirtualLinks(virtualNetwork1.id());
         assertNotNull("The virtual link set should not be null", virtualLinks);
@@ -263,13 +262,30 @@
         assertTrue("The virtual link set should be empty.", virtualLinks.isEmpty());
 
         // Add/remove the virtual link again.
-        VirtualLink virtualLink = manager.createVirtualLink(virtualNetwork1.id(), src, dst, TunnelId.valueOf(0));
+        VirtualLink virtualLink = manager.createVirtualLink(virtualNetwork1.id(), src, dst);
         manager.removeVirtualLink(virtualLink.networkId(), virtualLink.src(), virtualLink.dst());
         virtualLinks = manager.getVirtualLinks(virtualNetwork1.id());
         assertTrue("The virtual link set should be empty.", virtualLinks.isEmpty());
     }
 
     /**
+     * Tests adding the same virtual link twice.
+     */
+    @Test(expected = IllegalStateException.class)
+    public void testAddSameVirtualLink() {
+        manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork1 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualDevice srcVirtualDevice =
+                manager.createVirtualDevice(virtualNetwork1.id(), DeviceId.deviceId(deviceIdValue1));
+        VirtualDevice dstVirtualDevice =
+                manager.createVirtualDevice(virtualNetwork1.id(), DeviceId.deviceId(deviceIdValue2));
+        ConnectPoint src = new ConnectPoint(srcVirtualDevice.id(), PortNumber.portNumber(1));
+        ConnectPoint dst = new ConnectPoint(dstVirtualDevice.id(), PortNumber.portNumber(2));
+        manager.createVirtualLink(virtualNetwork1.id(), src, dst);
+        manager.createVirtualLink(virtualNetwork1.id(), src, dst);
+    }
+
+    /**
      * Tests add and remove of virtual ports.
      */
     @Test