diff --git a/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java
new file mode 100644
index 0000000..7032c21
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java
@@ -0,0 +1,143 @@
+/*
+ * Copyright 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.vtnrsc;
+
+import org.junit.Test;
+import org.onlab.packet.IpPrefix;
+
+import com.google.common.testing.EqualsTester;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
+
+/**
+ * Unit tests for DefaultFlowClassifier class.
+ */
+public class DefaultFlowClassifierTest {
+    /**
+     * Checks that the DefaultFlowClassifier class is immutable.
+     */
+    @Test
+    public void testImmutability() {
+        assertThatClassIsImmutable(DefaultFlowClassifier.class);
+    }
+
+    /**
+     * Checks the operation of equals() methods.
+     */
+    @Test
+    public void testEquals() {
+        // Create same two flow classifier objects.
+        final String name = "FlowClassifier1";
+        final String description = "FlowClassifier1";
+        final String ethType = "IPv4";
+        final String protocol = "tcp";
+        final int minSrcPortRange = 5;
+        final int maxSrcPortRange = 10;
+        final int minDstPortRange = 5;
+        final int maxDstPortRange = 10;
+        final FlowClassifierId flowClassifierId = FlowClassifierId.of("78dcd363-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final IpPrefix srcIpPrefix = IpPrefix.valueOf("0.0.0.0/0");
+        final IpPrefix dstIpPrefix = IpPrefix.valueOf("10.10.10.10/0");
+        final VirtualPortId virtualSrcPort = VirtualPortId.portId("1");
+        final VirtualPortId virtualDstPort = VirtualPortId.portId("2");
+
+        DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        final FlowClassifier flowClassifier1 = flowClassifierBuilder.setFlowClassifierId(flowClassifierId)
+                .setTenantId(tenantId).setName(name).setDescription(description).setEtherType(ethType)
+                .setProtocol(protocol).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
+                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+
+        flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        final FlowClassifier sameAsFlowClassifier1 = flowClassifierBuilder.setFlowClassifierId(flowClassifierId)
+                .setTenantId(tenantId).setName(name).setDescription(description).setEtherType(ethType)
+                .setProtocol(protocol).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
+                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+
+        // Create different classifier object.
+        final String name2 = "FlowClassifier2";
+        final String description2 = "FlowClassifier2";
+        final String ethType2 = "IPv6";
+        final String protocol2 = "udp";
+        final int minSrcPortRange2 = 5;
+        final int maxSrcPortRange2 = 10;
+        final int minDstPortRange2 = 5;
+        final int maxDstPortRange2 = 10;
+        final FlowClassifierId flowClassifierId2 = FlowClassifierId.of("78dcd363-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId2 = TenantId.tenantId("2");
+        final IpPrefix srcIpPrefix2 = IpPrefix.valueOf("0.0.0.0/0");
+        final IpPrefix dstIpPrefix2 = IpPrefix.valueOf("10.10.10.10/0");
+        final VirtualPortId virtualSrcPort2 = VirtualPortId.portId("3");
+        final VirtualPortId virtualDstPort2 = VirtualPortId.portId("4");
+
+        DefaultFlowClassifier.Builder flowClassifierBuilder3 = new DefaultFlowClassifier.Builder();
+        final FlowClassifier flowClassifier2 = flowClassifierBuilder3.setFlowClassifierId(flowClassifierId2)
+                .setTenantId(tenantId2).setName(name2).setDescription(description2).setEtherType(ethType2)
+                .setProtocol(protocol2).setMinSrcPortRange(minSrcPortRange2).setMaxSrcPortRange(maxSrcPortRange2)
+                .setMinDstPortRange(minDstPortRange2).setMaxDstPortRange(maxDstPortRange2).setSrcIpPrefix(srcIpPrefix2)
+                .setDstIpPrefix(dstIpPrefix2).setSrcPort(virtualSrcPort2).setDstPort(virtualDstPort2).build();
+
+        new EqualsTester().addEqualityGroup(flowClassifier1, sameAsFlowClassifier1).addEqualityGroup(flowClassifier2)
+                .testEquals();
+    }
+
+    /**
+     * Checks the construction of a DefaultFlowClassifier object.
+     */
+    @Test
+    public void testConstruction() {
+        final String name = "FlowClassifier";
+        final String description = "FlowClassifier";
+        final String ethType = "IPv4";
+        final String protocol = "tcp";
+        final int minSrcPortRange = 5;
+        final int maxSrcPortRange = 10;
+        final int minDstPortRange = 5;
+        final int maxDstPortRange = 10;
+        final FlowClassifierId flowClassifierId = FlowClassifierId.of("78dcd363-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final IpPrefix srcIpPrefix = IpPrefix.valueOf("0.0.0.0/0");
+        final IpPrefix dstIpPrefix = IpPrefix.valueOf("10.10.10.10/0");
+        final VirtualPortId virtualSrcPort = VirtualPortId.portId("1");
+        final VirtualPortId virtualDstPort = VirtualPortId.portId("2");
+
+        DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        final FlowClassifier flowClassifier = flowClassifierBuilder.setFlowClassifierId(flowClassifierId)
+                .setTenantId(tenantId).setName(name).setDescription(description).setEtherType(ethType)
+                .setProtocol(protocol).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
+                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+
+        assertThat(flowClassifierId, is(flowClassifier.flowClassifierId()));
+        assertThat(tenantId, is(flowClassifier.tenantId()));
+        assertThat(name, is(flowClassifier.name()));
+        assertThat(description, is(flowClassifier.description()));
+        assertThat(ethType, is(flowClassifier.etherType()));
+        assertThat(protocol, is(flowClassifier.protocol()));
+        assertThat(minSrcPortRange, is(flowClassifier.minSrcPortRange()));
+        assertThat(maxSrcPortRange, is(flowClassifier.maxSrcPortRange()));
+        assertThat(minDstPortRange, is(flowClassifier.minDstPortRange()));
+        assertThat(maxDstPortRange, is(flowClassifier.maxDstPortRange()));
+        assertThat(srcIpPrefix, is(flowClassifier.srcIpPrefix()));
+        assertThat(dstIpPrefix, is(flowClassifier.dstIpPrefix()));
+        assertThat(virtualSrcPort, is(flowClassifier.srcPort()));
+        assertThat(virtualDstPort, is(flowClassifier.dstPort()));
+    }
+}