diff --git a/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java
new file mode 100644
index 0000000..8283a52
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/flowclassifier/impl/FlowClassifierManagerTest.java
@@ -0,0 +1,146 @@
+/*
+ * 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.flowclassifier.impl;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+
+import org.junit.Test;
+
+import org.onlab.packet.IpPrefix;
+
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.DefaultFlowClassifier;
+import org.onosproject.vtnrsc.FlowClassifierId;
+import org.onosproject.vtnrsc.VirtualPortId;
+import org.onosproject.vtnrsc.FlowClassifier;
+import org.onosproject.vtnrsc.util.VtnStorageServiceTest;
+
+/**
+ * Unit tests for FlowClassifierManager class.
+ */
+public class FlowClassifierManagerTest {
+
+    final String name = "FlowClassifier";
+    final String description = "FlowClassifier";
+    final String ethType = "IPv4";
+    final String protocol = "udp";
+    final int minSrcPortRange = 1024;
+    final int maxSrcPortRange = 5000;
+    final int minDstPortRange = 1024;
+    final int maxDstPortRange = 5000;
+    final FlowClassifierId flowClassifierId = FlowClassifierId.of("71111111-fc23-aeb6-f44b-56dc5e2fb3ae");
+    final TenantId tenantId = TenantId.tenantId("8");
+    final IpPrefix srcIpPrefix = IpPrefix.valueOf("0.0.0.0/0");
+    final IpPrefix dstIpPrefix = IpPrefix.valueOf("100.100.100.100/0");
+    final VirtualPortId virtualSrcPort = VirtualPortId.portId("100");
+    final VirtualPortId virtualDstPort = VirtualPortId.portId("200");
+    DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+    FlowClassifierManager flowClassifierMgr = new FlowClassifierManager();
+    FlowClassifier flowClassifier = null;
+    private final VtnStorageServiceTest storageService = new VtnStorageServiceTest();
+
+    /**
+     * Checks the operation of createFlowClassifier() method.
+     */
+    @Test
+    public void testCreateFlowClassifier() {
+        // initialize flow classifier manager
+        flowClassifierMgr.storageService = storageService;
+        flowClassifierMgr.activate();
+
+        // create flow classifier
+        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(flowClassifierMgr.createFlowClassifier(flowClassifier), is(true));
+    }
+
+    /**
+     * Checks the operation of exists() method.
+     */
+    @Test
+    public void testExists() {
+        testCreateFlowClassifier();
+        assertThat(flowClassifierMgr.exists(flowClassifierId), is(true));
+    }
+
+    /**
+     * Checks the operation of getFlowClassifierCount() method.
+     */
+    @Test
+    public void testGetFlowClassifierCount() {
+        testCreateFlowClassifier();
+        assertThat(flowClassifierMgr.getFlowClassifierCount(), is(1));
+    }
+
+    /**
+     * Checks the operation of getFlowClassifiers() method.
+     */
+    @Test
+    public void testGetFlowClassifiers() {
+        testCreateFlowClassifier();
+        final Iterable<FlowClassifier> flowClassifierList = flowClassifierMgr.getFlowClassifiers();
+        assertThat(flowClassifierList, is(notNullValue()));
+        assertThat(flowClassifierList.iterator().hasNext(), is(true));
+    }
+
+    /**
+     * Checks the operation of getFlowClassifier() method.
+     */
+    @Test
+    public void testGetFlowClassifier() {
+        testCreateFlowClassifier();
+        assertThat(flowClassifier, is(notNullValue()));
+        assertThat(flowClassifierMgr.getFlowClassifier(flowClassifierId), is(flowClassifier));
+    }
+
+    /**
+     * Checks the operation of updateFlowClassifier() method.
+     */
+    @Test
+    public void testUpdateFlowClassifier() {
+        // create a flow classifier
+        testCreateFlowClassifier();
+
+        // new updates
+        final String name2 = "FlowClassifier2";
+        final String description2 = "FlowClassifier2";
+        final String ethType2 = "IPv6";
+        final String protocol2 = "tcp";
+        final TenantId tenantId2 = TenantId.tenantId("10");
+        final VirtualPortId virtualSrcPort2 = VirtualPortId.portId("300");
+        final VirtualPortId virtualDstPort2 = VirtualPortId.portId("400");
+        flowClassifier = flowClassifierBuilder.setFlowClassifierId(flowClassifierId)
+                .setTenantId(tenantId2).setName(name2).setDescription(description2).setEtherType(ethType2)
+                .setProtocol(protocol2).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
+                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort2).setDstPort(virtualDstPort2).build();
+        assertThat(flowClassifierMgr.updateFlowClassifier(flowClassifier), is(true));
+    }
+
+    /**
+     * Checks the operation of removeFlowClassifier() method.
+     */
+    @Test
+    public void testRemoveFlowClassifier() {
+        testCreateFlowClassifier();
+        assertThat(flowClassifierMgr.removeFlowClassifier(flowClassifierId), is(true));
+    }
+}