diff --git a/core/common/src/test/java/org/onosproject/codec/impl/FlowEntryCodecTest.java b/core/common/src/test/java/org/onosproject/codec/impl/FlowEntryCodecTest.java
new file mode 100644
index 0000000..b6204bb
--- /dev/null
+++ b/core/common/src/test/java/org/onosproject/codec/impl/FlowEntryCodecTest.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * 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.codec.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.flow.DefaultFlowEntry;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.FlowEntry;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static org.easymock.EasyMock.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.onosproject.codec.impl.JsonCodecUtils.assertJsonEncodable;
+import static org.onosproject.net.NetTestTools.APP_ID;
+
+/**
+ * Unit test for FlowEntryCodec.
+ */
+public class FlowEntryCodecTest {
+
+    private static final FlowEntry.FlowEntryState STATE;
+    private static final long LIFE;
+    private static final FlowEntry.FlowLiveType LIVE_TYPE;
+    private static final long PACKETS;
+    private static final long BYTES;
+    private static final TrafficSelector SELECTOR;
+    private static final TrafficTreatment TREATMENT;
+    private static final FlowRule FLOW_RULE;
+    private static final FlowEntry FLOW_ENTRY;
+
+    private CoreService mockCoreService = createMock(CoreService.class);
+    private MockCodecContext context = new MockCodecContext();
+    private JsonCodec<FlowEntry> flowEntryCodec = context.codec(FlowEntry.class);
+
+    private static final String JSON_FILE = "simple-flow-entry.json";
+
+    static {
+        // make sure these members have same values with the corresponding JSON fields
+        STATE = FlowEntry.FlowEntryState.valueOf("ADDED");
+        LIFE = 1000;
+        LIVE_TYPE = FlowEntry.FlowLiveType.valueOf("UNKNOWN");
+        PACKETS = 123;
+        BYTES = 456;
+
+        SELECTOR = DefaultTrafficSelector.builder()
+                .matchEthType((short) (Integer.decode("0x800") & 0xFFFF))
+                .build();
+        TREATMENT = DefaultTrafficTreatment.builder()
+                .setOutput(PortNumber.fromString("CONTROLLER"))
+                .build();
+        FLOW_RULE = DefaultFlowEntry.builder()
+                .withCookie(1)
+                // isPermanent & timeout
+                .makeTemporary(1)
+                .forDevice(DeviceId.deviceId("of:0000000000000001"))
+                .forTable(Integer.valueOf("1"))
+                .withPriority(Integer.valueOf("1"))
+                .withSelector(SELECTOR)
+                .withTreatment(TREATMENT)
+                .build();
+        FLOW_ENTRY = new DefaultFlowEntry(FLOW_RULE, STATE, LIFE, LIVE_TYPE, PACKETS, BYTES);
+    }
+
+    @Before
+    public void setUp() {
+        expect(mockCoreService.registerApplication(FlowRuleCodec.REST_APP_ID))
+                .andReturn(APP_ID).anyTimes();
+        expect(mockCoreService.registerApplication(APP_ID.name()))
+                .andReturn(APP_ID).anyTimes();
+        expect(mockCoreService.getAppId(anyShort())).andReturn(APP_ID).anyTimes();
+        replay(mockCoreService);
+
+        context.registerService(CoreService.class, mockCoreService);
+    }
+
+    @Test
+    public void testCodec() {
+        assertNotNull(flowEntryCodec);
+        assertJsonEncodable(context, flowEntryCodec, FLOW_ENTRY);
+    }
+
+    @Test
+    public void testDecode() throws IOException {
+        InputStream jsonStream = FlowEntryCodec.class.getResourceAsStream(JSON_FILE);
+        JsonNode jsonString = context.mapper().readTree(jsonStream);
+
+        FlowEntry expected = flowEntryCodec.decode((ObjectNode) jsonString, context);
+        assertEquals(expected, FLOW_ENTRY);
+    }
+
+    @Test
+    public void testEncode() throws IOException {
+        InputStream jsonStream = FlowEntryCodec.class.getResourceAsStream(JSON_FILE);
+        ObjectNode jsonString = (ObjectNode) context.mapper().readTree(jsonStream);
+
+        ObjectNode expected = flowEntryCodec.encode(FLOW_ENTRY, context);
+        // only set by the internal FlowRule encoder, so should not appear in the JSON string
+        expected.remove("id");
+        expected.remove("appId");
+        expected.remove("tableName");
+
+        // only set by the FlowEntry encoder but not used for the decoder
+        // so should not appear in the JSON, or a decoding error occurs
+        expected.remove(FlowEntryCodec.GROUP_ID);
+        expected.remove(FlowEntryCodec.LAST_SEEN);
+
+        // assert equality of those values separately. see below
+        assertEquals(expected.get(FlowEntryCodec.LIFE).asLong(), jsonString.get(FlowEntryCodec.LIFE).asLong());
+        assertEquals(expected.get(FlowEntryCodec.PACKETS).asLong(), jsonString.get(FlowEntryCodec.PACKETS).asLong());
+        assertEquals(expected.get(FlowEntryCodec.BYTES).asLong(), jsonString.get(FlowEntryCodec.BYTES).asLong());
+
+        // if those numeric values are included in expected as a result of the encoding,
+        // AssertionError occurs even though both expected and jsonString are semantically identical
+        expected.remove(FlowEntryCodec.LIFE);
+        expected.remove(FlowEntryCodec.PACKETS);
+        expected.remove(FlowEntryCodec.BYTES);
+        jsonString.remove(FlowEntryCodec.LIFE);
+        jsonString.remove(FlowEntryCodec.PACKETS);
+        jsonString.remove(FlowEntryCodec.BYTES);
+
+        assertEquals(expected, jsonString);
+    }
+
+}