gt:         final PathKeyBuilder pBuilder = new PathKeyBuilder();
context: /*
   * Copyright (c) 2015 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.protocol.rsvp.parser.impl;
  
  import static org.junit.Assert.assertEquals;
  
  import io.netty.buffer.ByteBuf;
  import io.netty.buffer.Unpooled;
  import org.junit.Assert;
  import org.junit.Test;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROAsNumberSubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROIpv4PrefixSubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROIpv6PrefixSubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROPathKey128SubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROPathKey32SubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROSRLGSubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.impl.subobject.xro.XROUnnumberedInterfaceSubobjectParser;
  import org.opendaylight.protocol.rsvp.parser.spi.RSVPParsingException;
  import org.opendaylight.protocol.util.ByteArray;
  import org.opendaylight.protocol.util.Ipv6Util;
  import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
  import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PathKey;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PceId;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.SrlgId;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.AsNumberCaseBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.IpPrefixCaseBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.SrlgCaseBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.UnnumberedCaseBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.as.number._case.AsNumberBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.ip.prefix._case.IpPrefixBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.srlg._case.SrlgBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.exclude.route.object.exclude.route.object.SubobjectContainerBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCaseBuilder;
  import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.path.key._case.PathKeyBuilder;
  
  public class XROSubobjectParserTest {
      private static final byte[] ip4PrefixBytes = {(byte) 0x01, (byte) 0x08, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
          (byte) 0x16, (byte) 0x00};
      private static final byte[] ip6PrefixBytes = {(byte) 0x82, (byte) 0x14, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
          (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
          (byte) 0xFF, (byte) 0xFF, (byte) 0x16, (byte) 0x01};
      private static final byte[] srlgBytes = {(byte) 0xa2, (byte) 0x08, (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x00, (byte) 0x02};
      private static final byte[] unnumberedBytes = {(byte) 0x84, (byte) 0x0c, (byte) 0x00, (byte) 0x01, (byte) 0x12, (byte) 0x34,
          (byte) 0x50, (byte) 0x00, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
      private static final byte[] asNumberBytes = {(byte) 0xa0, (byte) 0x04, (byte) 0x00, (byte) 0x64};
      private static final byte[] pathKey32Bytes = {(byte) 0xc0, (byte) 0x08, (byte) 0x12, (byte) 0x34, (byte) 0x12, (byte) 0x34,
          (byte) 0x50, (byte) 0x00};
      private static final byte[] pathKey128Bytes = {(byte) 0xc1, (byte) 0x14, (byte) 0x12, (byte) 0x34, (byte) 0x12, (byte) 0x34,
          (byte) 0x56, (byte) 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0x12, (byte) 0x34, (byte) 0x54, (byte) 0x00, (byte) 0x00,
          (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00};
  
      @Test
      public void testXROIp4PrefixSubobject() throws RSVPParsingException {
          final XROIpv4PrefixSubobjectParser parser = new XROIpv4PrefixSubobjectParser();
          final SubobjectContainerBuilder subs = new SubobjectContainerBuilder();
          subs.setMandatory(false);
          subs.setAttribute(ExcludeRouteSubobjects.Attribute.Interface);
          subs.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(
              new IpPrefixBuilder().setIpPrefix(new IpPrefix(new Ipv4Prefix("255.255.255.255/22"))).build()).build());
          assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(ip4PrefixBytes, 2)), false));
          final ByteBuf buff = Unpooled.buffer();
          parser.serializeSubobject(subs.build(), buff);
          Assert.assertArrayEquals(ip4PrefixBytes, ByteArray.getAllBytes(buff));
  
          try {
              parser.parseSubobject(null, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
          try {
              parser.parseSubobject(Unpooled.EMPTY_BUFFER, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
      }
  
      @Test
      public void testXROIp6PrefixSubobject() throws RSVPParsingException {
          final XROIpv6PrefixSubobjectParser parser = new XROIpv6PrefixSubobjectParser();
          final SubobjectContainerBuilder subs = new SubobjectContainerBuilder();
          subs.setMandatory(true);
          subs.setAttribute(ExcludeRouteSubobjects.Attribute.Node);
          subs.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix(
              new IpPrefixBuilder().setIpPrefix(
                  new IpPrefix(Ipv6Util.prefixForBytes(new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                      (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                      (byte) 0xFF, (byte) 0xFF, (byte) 0xFF}, 22))).build()).build());
          assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(ip6PrefixBytes, 2)), true));
          final ByteBuf buff = Unpooled.buffer();
          parser.serializeSubobject(subs.build(), buff);
          Assert.assertArrayEquals(ip6PrefixBytes, ByteArray.getAllBytes(buff));
  
          try {
              parser.parseSubobject(null, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
          try {
              parser.parseSubobject(Unpooled.EMPTY_BUFFER, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
      }
  
      @Test
      public void testXROSrlgSubobject() throws RSVPParsingException {
          final XROSRLGSubobjectParser parser = new XROSRLGSubobjectParser();
          final SubobjectContainerBuilder subs = new SubobjectContainerBuilder();
          subs.setMandatory(true);
          subs.setAttribute(ExcludeRouteSubobjects.Attribute.Srlg);
          subs.setSubobjectType(new SrlgCaseBuilder().setSrlg(new SrlgBuilder().setSrlgId(new SrlgId(0x12345678L)).build()).build());
          assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(srlgBytes, 2)), true));
          final ByteBuf buff = Unpooled.buffer();
          parser.serializeSubobject(subs.build(), buff);
          Assert.assertArrayEquals(srlgBytes, ByteArray.getAllBytes(buff));
  
          try {
              parser.parseSubobject(null, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
          try {
              parser.parseSubobject(Unpooled.EMPTY_BUFFER, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
      }
  
      @Test
      public void testXROUnnumberedSubobject() throws RSVPParsingException {
          final XROUnnumberedInterfaceSubobjectParser parser = new XROUnnumberedInterfaceSubobjectParser();
          final SubobjectContainerBuilder subs = new SubobjectContainerBuilder();
          subs.setMandatory(true);
          subs.setAttribute(ExcludeRouteSubobjects.Attribute.Node);
          subs.setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(
              new UnnumberedBuilder().setRouterId(0x12345000L).setInterfaceId(0xffffffffL).build()).build());
          assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(unnumberedBytes, 2)), true));
          final ByteBuf buff = Unpooled.buffer();
          parser.serializeSubobject(subs.build(), buff);
          Assert.assertArrayEquals(unnumberedBytes, ByteArray.getAllBytes(buff));
  
          try {
              parser.parseSubobject(null, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
          try {
              parser.parseSubobject(Unpooled.EMPTY_BUFFER, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
      }
  
      @Test
      public void testXROAsNumberSubobject() throws RSVPParsingException {
          final XROAsNumberSubobjectParser parser = new XROAsNumberSubobjectParser();
          final SubobjectContainerBuilder subs = new SubobjectContainerBuilder();
          subs.setMandatory(true);
          subs.setSubobjectType(new AsNumberCaseBuilder().setAsNumber(new AsNumberBuilder().setAsNumber(new AsNumber(0x64L)).build()).build());
          assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(asNumberBytes, 2)), true));
          final ByteBuf buff = Unpooled.buffer();
          parser.serializeSubobject(subs.build(), buff);
          Assert.assertArrayEquals(asNumberBytes, ByteArray.getAllBytes(buff));
  
          try {
              parser.parseSubobject(null, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
          try {
              parser.parseSubobject(Unpooled.EMPTY_BUFFER, true);
              Assert.fail();
          } catch (final IllegalArgumentException e) {
              Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage());
          }
      }
  
      @Test
      public void testXROPathKey32Subobject() throws RSVPParsingException {
          final XROPathKey32SubobjectParser parser = new XROPathKey32SubobjectParser();
          final SubobjectContainerBuilder subs = new SubobjectContainerBuilder();
          subs.setMandatory(true);
  