Bug 5543 - Bo: Update JUnit tests part_7

	- Added tests for openflowjava-extension-nicira

Change-Id: Ia1940d83b038c4ff4f1c7ca37a3413dedb1fe03b
Signed-off-by: miroslav.macko <miroslav.macko@pantheon.tech>

diff --git a/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/IpSrcCodecTest.java b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/IpSrcCodecTest.java
new file mode 100644 (file)
index 0000000..3c511c2
--- /dev/null
+++ b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/IpSrcCodecTest.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowjava.nx.codec.match;
+
+import static org.junit.Assert.assertEquals;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfIpSrc;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.ip.src.grouping.IpSrcValuesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.IpSrcCaseValue;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.IpSrcCaseValueBuilder;
+
+public class IpSrcCodecTest {
+
+    IpSrcCodec ipSrcCodec;
+    ByteBuf buffer;
+    MatchEntry input;
+
+    private static final int VALUE_LENGTH = 4;
+    private static final int NXM_FIELD_CODE = 7;
+
+    @Before
+    public void setUp() {
+        ipSrcCodec = new IpSrcCodec();
+        buffer = ByteBufAllocator.DEFAULT.buffer();
+    }
+
+    @Test
+    public void serializeTest() {
+        input = createMatchEntry();
+        ipSrcCodec.serialize(input, buffer);
+
+        assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
+        short fieldMask = buffer.readUnsignedByte();
+        assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
+        assertEquals(0, fieldMask & 1);
+        assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
+        assertEquals(1, buffer.readUnsignedInt());
+    }
+
+    @Test
+    public void deserializeTest() {
+        createBuffer(buffer);
+
+        input = ipSrcCodec.deserialize(buffer);
+
+        IpSrcCaseValue result = ((IpSrcCaseValue) input.getMatchEntryValue());
+
+        assertEquals(Nxm0Class.class, input.getOxmClass());
+        assertEquals(NxmOfIpSrc.class, input.getOxmMatchField());
+        assertEquals(false, input.isHasMask());
+        assertEquals(2, result.getIpSrcValues().getValue().intValue());
+    }
+
+    private MatchEntry createMatchEntry() {
+        MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
+        IpSrcCaseValueBuilder caseBuilder = new IpSrcCaseValueBuilder();
+        IpSrcValuesBuilder valuesBuilder = new IpSrcValuesBuilder();
+
+        matchEntryBuilder.setOxmClass(Nxm0Class.class);
+        matchEntryBuilder.setOxmMatchField(NxmOfIpSrc.class);
+        matchEntryBuilder.setHasMask(false);
+
+        valuesBuilder.setValue((long)1);
+
+        caseBuilder.setIpSrcValues(valuesBuilder.build());
+        matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
+        return matchEntryBuilder.build();
+    }
+
+    private void createBuffer(ByteBuf message) {
+        message.writeShort(OxmMatchConstants.NXM_0_CLASS);
+
+        int fieldMask = (NXM_FIELD_CODE << 1);
+        message.writeByte(fieldMask);
+        message.writeByte(VALUE_LENGTH);
+        message.writeInt(2);
+    }
+
+}
\ No newline at end of file

diff --git a/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc1CodecTest.java b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc1CodecTest.java
new file mode 100644 (file)
index 0000000..08d2f59
--- /dev/null
+++ b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc1CodecTest.java
@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowjava.nx.codec.match;
+
+import static org.junit.Assert.assertEquals;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshc1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nshc._1.grouping.Nshc1ValuesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc1CaseValue;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc1CaseValueBuilder;
+
+public class Nshc1CodecTest {
+
+    Nshc1Codec nshc1Codec;
+    ByteBuf buffer;
+    MatchEntry input;
+
+    private static final int VALUE_LENGTH = 4;
+    private static final int NXM_FIELD_CODE = 39;
+
+    @Before
+    public void setUp(){
+        nshc1Codec = new Nshc1Codec();
+        buffer = ByteBufAllocator.DEFAULT.buffer();
+    }
+
+    @Test
+    public void serializeTest() {
+        input = createMatchEntry();
+        nshc1Codec.serialize(input, buffer);
+
+        assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
+        short fieldMask = buffer.readUnsignedByte();
+        assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
+        assertEquals(0, fieldMask & 1);
+        assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
+        assertEquals(1, buffer.readUnsignedInt());
+    }
+
+    @Test
+    public void deserializeTest() {
+        createBuffer(buffer);
+
+        input = nshc1Codec.deserialize(buffer);
+
+        Nshc1CaseValue result = ((Nshc1CaseValue) input.getMatchEntryValue());
+
+        assertEquals(Nxm1Class.class, input.getOxmClass());
+        assertEquals(NxmNxNshc1.class, input.getOxmMatchField());
+        assertEquals(false, input.isHasMask());
+        assertEquals(2, result.getNshc1Values().getNshc().intValue());
+    }
+
+
+    private MatchEntry createMatchEntry() {
+        MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
+        Nshc1CaseValueBuilder caseBuilder = new Nshc1CaseValueBuilder();
+        Nshc1ValuesBuilder valuesBuilder = new Nshc1ValuesBuilder();
+
+        matchEntryBuilder.setOxmClass(Nxm1Class.class);
+        matchEntryBuilder.setOxmMatchField(NxmNxNshc1.class);
+        matchEntryBuilder.setHasMask(false);
+
+        valuesBuilder.setNshc((long)1);
+
+        caseBuilder.setNshc1Values(valuesBuilder.build());
+        matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
+        return matchEntryBuilder.build();
+    }
+
+    private void createBuffer(ByteBuf message) {
+        message.writeShort(OxmMatchConstants.NXM_1_CLASS);
+
+        int fieldMask = (NXM_FIELD_CODE << 1);
+        message.writeByte(fieldMask);
+        message.writeByte(VALUE_LENGTH);
+        message.writeInt(2);
+    }
+
+}
\ No newline at end of file

diff --git a/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc2CodecTest.java b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc2CodecTest.java
new file mode 100644 (file)
index 0000000..d13ab51
--- /dev/null
+++ b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc2CodecTest.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowjava.nx.codec.match;
+
+import static org.junit.Assert.assertEquals;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshc2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nshc._2.grouping.Nshc2ValuesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc2CaseValue;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc2CaseValueBuilder;
+
+public class Nshc2CodecTest {
+
+    Nshc2Codec nshc2Codec;
+    ByteBuf buffer;
+    MatchEntry input;
+
+    private static final int VALUE_LENGTH = 4;
+    private static final int NXM_FIELD_CODE = 40;
+
+
+    @Before
+    public void setUp() {
+        nshc2Codec = new Nshc2Codec();
+        buffer = ByteBufAllocator.DEFAULT.buffer();
+    }
+
+    @Test
+    public void serializeTest() {
+        input = createMatchEntry();
+        nshc2Codec.serialize(input, buffer);
+
+        assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
+        short fieldMask = buffer.readUnsignedByte();
+        assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
+        assertEquals(0, fieldMask & 1);
+        assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
+        assertEquals(1, buffer.readUnsignedInt());
+    }
+
+    @Test
+    public void deserializeTest() {
+        createBuffer(buffer);
+
+        input = nshc2Codec.deserialize(buffer);
+
+        Nshc2CaseValue result = ((Nshc2CaseValue) input.getMatchEntryValue());
+
+        assertEquals(Nxm1Class.class, input.getOxmClass());
+        assertEquals(NxmNxNshc2.class, input.getOxmMatchField());
+        assertEquals(false, input.isHasMask());
+        assertEquals(2, result.getNshc2Values().getNshc().intValue());
+    }
+
+    private MatchEntry createMatchEntry() {
+        MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
+        Nshc2CaseValueBuilder caseBuilder = new Nshc2CaseValueBuilder();
+        Nshc2ValuesBuilder valuesBuilder = new Nshc2ValuesBuilder();
+
+        matchEntryBuilder.setOxmClass(Nxm1Class.class);
+        matchEntryBuilder.setOxmMatchField(NxmNxNshc2.class);
+        matchEntryBuilder.setHasMask(false);
+
+        valuesBuilder.setNshc((long)1);
+
+        caseBuilder.setNshc2Values(valuesBuilder.build());
+        matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
+        return matchEntryBuilder.build();
+    }
+
+    private void createBuffer(ByteBuf message) {
+        message.writeShort(OxmMatchConstants.NXM_1_CLASS);
+
+        int fieldMask = (NXM_FIELD_CODE << 1);
+        message.writeByte(fieldMask);
+        message.writeByte(VALUE_LENGTH);
+        message.writeInt(2);
+    }
+}
\ No newline at end of file

diff --git a/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc3CodecTest.java b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc3CodecTest.java
new file mode 100644 (file)
index 0000000..a3a3cbb
--- /dev/null
+++ b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc3CodecTest.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowjava.nx.codec.match;
+
+import static org.junit.Assert.assertEquals;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshc3;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nshc._3.grouping.Nshc3ValuesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc3CaseValue;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc3CaseValueBuilder;
+
+public class Nshc3CodecTest {
+
+    Nshc3Codec nshc3Codec;
+    ByteBuf buffer;
+    MatchEntry input;
+
+    private static final int VALUE_LENGTH = 4;
+    private static final int NXM_FIELD_CODE = 41;
+
+    @Before
+    public void setUp() {
+        nshc3Codec = new Nshc3Codec();
+        buffer = ByteBufAllocator.DEFAULT.buffer();
+    }
+
+    @Test
+    public void serializeTest() {
+        input = createMatchEntry();
+        nshc3Codec.serialize(input, buffer);
+
+        assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
+        short fieldMask = buffer.readUnsignedByte();
+        assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
+        assertEquals(0, fieldMask & 1);
+        assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
+        assertEquals(1, buffer.readUnsignedInt());
+    }
+
+    @Test
+    public void deserializeTest() {
+        createBuffer(buffer);
+
+        input = nshc3Codec.deserialize(buffer);
+
+        Nshc3CaseValue result = ((Nshc3CaseValue) input.getMatchEntryValue());
+
+        assertEquals(Nxm1Class.class, input.getOxmClass());
+        assertEquals(NxmNxNshc3.class, input.getOxmMatchField());
+        assertEquals(false, input.isHasMask());
+        assertEquals(2, result.getNshc3Values().getNshc().intValue());
+    }
+
+
+    private MatchEntry createMatchEntry() {
+        MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
+        Nshc3CaseValueBuilder caseBuilder = new Nshc3CaseValueBuilder();
+        Nshc3ValuesBuilder valuesBuilder = new Nshc3ValuesBuilder();
+
+        matchEntryBuilder.setOxmClass(Nxm1Class.class);
+        matchEntryBuilder.setOxmMatchField(NxmNxNshc3.class);
+        matchEntryBuilder.setHasMask(false);
+
+        valuesBuilder.setNshc((long)1);
+
+        caseBuilder.setNshc3Values(valuesBuilder.build());
+        matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
+        return matchEntryBuilder.build();
+    }
+
+    private void createBuffer(ByteBuf message) {
+        message.writeShort(OxmMatchConstants.NXM_1_CLASS);
+
+        int fieldMask = (NXM_FIELD_CODE << 1);
+        message.writeByte(fieldMask);
+        message.writeByte(VALUE_LENGTH);
+        message.writeInt(2);
+    }
+}
\ No newline at end of file

diff --git a/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc4CodecTest.java b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc4CodecTest.java
new file mode 100644 (file)
index 0000000..b564367
--- /dev/null
+++ b/extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc4CodecTest.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowjava.nx.codec.match;
+
+import static org.junit.Assert.assertEquals;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshc4;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nshc._4.grouping.Nshc4ValuesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc4CaseValue;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc4CaseValueBuilder;
+
+public class Nshc4CodecTest {
+
+    Nshc4Codec nshc4Codec;
+    ByteBuf buffer;
+    MatchEntry input;
+
+    private static final int VALUE_LENGTH = 4;
+    private static final int NXM_FIELD_CODE = 42;
+
+    @Before
+    public void setUp() {
+        nshc4Codec = new Nshc4Codec();
+        buffer = ByteBufAllocator.DEFAULT.buffer();
+    }
+
+    @Test
+    public void serializeTest() {
+        input = createMatchEntry();
+        nshc4Codec.serialize(input, buffer);
+
+        assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
+        short fieldMask = buffer.readUnsignedByte();
+        assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
+        assertEquals(0, fieldMask & 1);
+        assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
+        assertEquals(1, buffer.readUnsignedInt());
+    }
+
+    @Test
+    public void deserializeTest() {
+        createBuffer(buffer);
+
+        input = nshc4Codec.deserialize(buffer);
+
+        Nshc4CaseValue result = ((Nshc4CaseValue) input.getMatchEntryValue());
+
+        assertEquals(Nxm1Class.class, input.getOxmClass());
+        assertEquals(NxmNxNshc4.class, input.getOxmMatchField());
+        assertEquals(false, input.isHasMask());
+        assertEquals(2, result.getNshc4Values().getNshc().intValue());
+    }
+
+
+    private MatchEntry createMatchEntry() {
+        MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
+        Nshc4CaseValueBuilder caseBuilder = new Nshc4CaseValueBuilder();
+        Nshc4ValuesBuilder valuesBuilder = new Nshc4ValuesBuilder();
+
+        matchEntryBuilder.setOxmClass(Nxm1Class.class);
+        matchEntryBuilder.setOxmMatchField(NxmNxNshc4.class);
+        matchEntryBuilder.setHasMask(false);
+
+        valuesBuilder.setNshc((long)1);
+
+        caseBuilder.setNshc4Values(valuesBuilder.build());
+        matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
+        return matchEntryBuilder.build();
+    }
+
+    private void createBuffer(ByteBuf message) {
+        message.writeShort(OxmMatchConstants.NXM_1_CLASS);
+
+        int fieldMask = (NXM_FIELD_CODE << 1);
+        message.writeByte(fieldMask);
+        message.writeByte(VALUE_LENGTH);
+        message.writeInt(2);
+    }
+}
\ No newline at end of file