/**
* 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.NxmNxReg4;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.reg.grouping.RegValuesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.RegCaseValue;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.RegCaseValueBuilder;
public class Reg4CodecTest {
Reg4Codec reg4Codec;
ByteBuf buffer;
MatchEntry input;
private static final int NXM_FIELD_CODE = 4;
private static final int VALUE_LENGTH = 4;
@Before
public void setUp() {
reg4Codec = new Reg4Codec();
buffer = ByteBufAllocator.DEFAULT.buffer();
}
@Test
public void serializeTest() {
input = createMatchEntry();
reg4Codec.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 = reg4Codec.deserialize(buffer);
RegCaseValue result = ((RegCaseValue) input.getMatchEntryValue());
assertEquals(Nxm1Class.class, input.getOxmClass());
assertEquals(NxmNxReg4.class, input.getOxmMatchField());
assertEquals(false, input.isHasMask());
assertEquals(1, result.getRegValues().getValue().intValue());
}
private MatchEntry createMatchEntry() {
MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
RegCaseValueBuilder caseBuilder = new RegCaseValueBuilder();
RegValuesBuilder valuesBuilder = new RegValuesBuilder();
matchEntryBuilder.setOxmClass(Nxm1Class.class);
matchEntryBuilder.setOxmMatchField(NxmNxReg4.class);
matchEntryBuilder.setHasMask(false);
valuesBuilder.setValue((long)1);
caseBuilder.setRegValues(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(1);
}
}