2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.protocol.pcep.ietf;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.fail;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import org.junit.Test;
17 import org.opendaylight.protocol.pcep.ietf.stateful07.PathBindingTlvParser;
18 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07LSPIdentifierIpv4TlvParser;
19 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07LSPIdentifierIpv6TlvParser;
20 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07LspSymbolicNameTlvParser;
21 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07LspUpdateErrorTlvParser;
22 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07RSVPErrorSpecTlvParser;
23 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07StatefulCapabilityTlvParser;
24 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
25 import org.opendaylight.protocol.pcep.sync.optimizations.SyncOptimizationsCapabilityTlvParser;
26 import org.opendaylight.protocol.util.ByteArray;
27 import org.opendaylight.protocol.util.Ipv4Util;
28 import org.opendaylight.protocol.util.Ipv6Util;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.iana.rev130816.EnterpriseNumber;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.MplsLabel;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.error.code.tlv.LspErrorCode;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.error.code.tlv.LspErrorCodeBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiers;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiersBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv4CaseBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv6CaseBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv4._case.Ipv4Builder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6Builder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.path.binding.tlv.PathBinding;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.path.binding.tlv.PathBindingBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.path.binding.tlv.path.binding.binding.type.value.MplsLabelBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.path.binding.tlv.path.binding.binding.type.value.MplsLabelEntryBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.RsvpErrorSpec;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.RsvpErrorSpecBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.rsvp.error.spec.error.type.RsvpCaseBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.rsvp.error.spec.error.type.UserCaseBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.rsvp.error.spec.error.type.rsvp._case.RsvpErrorBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.rsvp.error.spec.error.type.user._case.UserErrorBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.stateful.capability.tlv.Stateful;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.stateful.capability.tlv.StatefulBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.symbolic.path.name.tlv.SymbolicPathName;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.symbolic.path.name.tlv.SymbolicPathNameBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.Ipv4ExtendedTunnelId;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.Ipv6ExtendedTunnelId;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.LspId;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.TunnelId;
59 public class PCEPTlvParserTest {
61 private static final byte[] statefulBytes = { 0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01 };
62 private static final byte[] STATEFUL_SYNC_OPT_BYTES = new byte[]{ 0x00, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x33 };
63 private static final byte[] symbolicNameBytes = { 0x00, 0x11, 0x00, 0x1C, 0x4d, 0x65, 0x64, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20, 0x6f,
64 0x66, 0x20, 0x73, 0x79, 0x6d, 0x62, 0x6f, 0x6c, 0x69, 0x63, 0x20, 0x6e, 0x61, 0x6d, 0x65, 0x65, 0x65, 0x65 };
65 private static final byte[] lspUpdateErrorBytes = { 0x00, 0x14, 0x00, 0x04, 0x25, 0x68, (byte) 0x95, 0x03 };
66 private static final byte[] lspIdentifiers4Bytes = { 0x00, 0x12, 0x00, 0x10, 0x12, 0x34, 0x56, 0x78, (byte) 0xFF, (byte) 0xFF, 0x12,
67 0x34, 0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78 };
68 private static final byte[] lspIdentifiers6Bytes = { 0x00, 0x13, 0x00, 0x34, 0x12, 0x34, 0x56, 0x78, (byte) 0x9A, (byte) 0xBC,
69 (byte) 0xDE, (byte) 0xF0, 0x12, 0x34, 0x56, 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0xF0, 0x12, 0x34, (byte) 0xFF,
70 (byte) 0xFF, 0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78, 0x01, 0x23, 0x45, 0x67, 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56,
71 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0xF0, 0x12, 0x34, 0x56, 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE,
73 private static final byte[] rsvpErrorBytes = { 0x00, 0x15, 0x00, 0x0c, 0, 0x0c, 0x06, 0x01, 0x12, 0x34, 0x56, 0x78, 0x02, (byte) 0x92, 0x16,
75 private static final byte[] rsvpError6Bytes = { 0x00, 0x15, 0x00, 0x18, 0, 0x18, 0x06, 0x02, 0x12, 0x34, 0x56, 0x78, (byte) 0x9a, (byte) 0xbc,
76 (byte) 0xde, (byte) 0xf0, 0x12, 0x34, 0x56, 0x78, (byte) 0x9a, (byte) 0xbc, (byte) 0xde, (byte) 0xf0, 0x02, (byte) 0xd5,
77 (byte) 0xc5, (byte) 0xd9};
78 private static final byte[] userErrorBytes = { 0x00, 0x15, 0x00, 0x18, 0, 0x18, (byte) 0xc2, 0x01, 0x00, 0x00, 0x30, 0x39, 0x05, 0x09, 0x00,
79 0x26, 0x75, 0x73, 0x65, 0x72, 0x20, 0x64, 0x65, 0x73, 0x63, 0, 0, 0 };
82 public void testStatefulTlv() throws PCEPDeserializerException {
83 final Stateful07StatefulCapabilityTlvParser parser = new Stateful07StatefulCapabilityTlvParser();
84 final Stateful tlv = new StatefulBuilder().setLspUpdateCapability(Boolean.TRUE).build();
85 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(statefulBytes, 4))));
86 final ByteBuf buff = Unpooled.buffer();
87 parser.serializeTlv(tlv, buff);
88 assertArrayEquals(statefulBytes, ByteArray.getAllBytes(buff));
92 public void testStatefulTlvSyncOptimizationExtension() throws PCEPDeserializerException {
93 final SyncOptimizationsCapabilityTlvParser parser = new SyncOptimizationsCapabilityTlvParser();
94 final Stateful tlv = new StatefulBuilder().setLspUpdateCapability(Boolean.TRUE)
95 .addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.Stateful1.class, new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.Stateful1Builder()
96 .setTriggeredInitialSync(Boolean.TRUE)
97 .setDeltaLspSyncCapability(Boolean.TRUE)
98 .setIncludeDbVersion(Boolean.TRUE)
101 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(STATEFUL_SYNC_OPT_BYTES, 4))));
102 final ByteBuf buff = Unpooled.buffer();
103 parser.serializeTlv(tlv, buff);
104 assertArrayEquals(STATEFUL_SYNC_OPT_BYTES, ByteArray.getAllBytes(buff));
108 public void testSymbolicNameTlv() throws PCEPDeserializerException {
109 final Stateful07LspSymbolicNameTlvParser parser = new Stateful07LspSymbolicNameTlvParser();
110 final SymbolicPathName tlv = new SymbolicPathNameBuilder().setPathName(
111 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.SymbolicPathName("Med test of symbolic nameeee".getBytes())).build();
112 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(symbolicNameBytes, 4))));
113 final ByteBuf buff = Unpooled.buffer();
114 parser.serializeTlv(tlv, buff);
115 assertArrayEquals(symbolicNameBytes, ByteArray.getAllBytes(buff));
119 public void testLspErrorCodeTlv() throws PCEPDeserializerException {
120 final Stateful07LspUpdateErrorTlvParser parser = new Stateful07LspUpdateErrorTlvParser();
121 final LspErrorCode tlv = new LspErrorCodeBuilder().setErrorCode(627610883L).build();
122 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(lspUpdateErrorBytes, 4))));
123 final ByteBuf buff = Unpooled.buffer();
124 parser.serializeTlv(tlv, buff);
125 assertArrayEquals(lspUpdateErrorBytes, ByteArray.getAllBytes(buff));
129 public void testLspIdentifiers4Tlv() throws PCEPDeserializerException {
130 final Stateful07LSPIdentifierIpv4TlvParser parser = new Stateful07LSPIdentifierIpv4TlvParser();
131 final Ipv4Builder afi = new Ipv4Builder();
132 afi.setIpv4TunnelSenderAddress(Ipv4Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78 })));
133 afi.setIpv4ExtendedTunnelId(new Ipv4ExtendedTunnelId(Ipv4Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56,
135 afi.setIpv4TunnelEndpointAddress(Ipv4Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78 })));
136 final LspIdentifiers tlv = new LspIdentifiersBuilder().setAddressFamily(new Ipv4CaseBuilder().setIpv4(afi.build()).build()).setLspId(
137 new LspId(65535L)).setTunnelId(new TunnelId(4660)).build();
138 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(lspIdentifiers4Bytes, 4))));
139 final ByteBuf buff = Unpooled.buffer();
140 parser.serializeTlv(tlv, buff);
141 assertArrayEquals(lspIdentifiers4Bytes, ByteArray.getAllBytes(buff));
145 public void testLspIdentifiers6Tlv() throws PCEPDeserializerException {
146 final Stateful07LSPIdentifierIpv6TlvParser parser = new Stateful07LSPIdentifierIpv6TlvParser();
147 final Ipv6Builder afi = new Ipv6Builder();
148 afi.setIpv6TunnelSenderAddress(Ipv6Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78,
149 (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0xF0, (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x9A,
150 (byte) 0xBC, (byte) 0xDE, (byte) 0xF0 })));
151 afi.setIpv6ExtendedTunnelId(new Ipv6ExtendedTunnelId(Ipv6Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56,
152 (byte) 0x78, (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67,
153 (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67 }))));
154 afi.setIpv6TunnelEndpointAddress(Ipv6Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78,
155 (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0xF0, (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x9A,
156 (byte) 0xBC, (byte) 0xDE, (byte) 0xF0 })));
157 final LspIdentifiers tlv = new LspIdentifiersBuilder().setAddressFamily(new Ipv6CaseBuilder().setIpv6(afi.build()).build()).setLspId(
158 new LspId(4660L)).setTunnelId(new TunnelId(65535)).build();
159 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(lspIdentifiers6Bytes, 4))));
160 final ByteBuf buff = Unpooled.buffer();
161 parser.serializeTlv(tlv, buff);
162 assertArrayEquals(lspIdentifiers6Bytes, ByteArray.getAllBytes(buff));
166 public void testRSVPError4SpecTlv() throws PCEPDeserializerException {
167 final Stateful07RSVPErrorSpecTlvParser parser = new Stateful07RSVPErrorSpecTlvParser();
168 final RsvpErrorBuilder builder = new RsvpErrorBuilder();
169 builder.setNode(new IpAddress(Ipv4Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78 }))));
170 builder.setFlags(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ErrorSpec.Flags(false, true));
171 builder.setCode((short) 146);
172 builder.setValue(5634);
173 final RsvpErrorSpec tlv = new RsvpErrorSpecBuilder().setErrorType(new RsvpCaseBuilder().setRsvpError(builder.build()).build()).build();
174 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(rsvpErrorBytes, 4))));
175 final ByteBuf buff = Unpooled.buffer();
176 parser.serializeTlv(tlv, buff);
177 assertArrayEquals(rsvpErrorBytes, ByteArray.getAllBytes(buff));
181 public void testRSVPError6SpecTlv() throws PCEPDeserializerException {
182 final Stateful07RSVPErrorSpecTlvParser parser = new Stateful07RSVPErrorSpecTlvParser();
183 final RsvpErrorBuilder builder = new RsvpErrorBuilder();
184 builder.setNode(new IpAddress(Ipv6Util.addressForByteBuf(Unpooled.wrappedBuffer(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78,
185 (byte) 0x9a, (byte) 0xbc, (byte) 0xde, (byte) 0xf0, (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x9a,
186 (byte) 0xbc, (byte) 0xde, (byte) 0xf0 }))));
187 builder.setFlags(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ErrorSpec.Flags(false, true));
188 builder.setCode((short) 213);
189 builder.setValue(50649);
190 final RsvpErrorSpec tlv = new RsvpErrorSpecBuilder().setErrorType(new RsvpCaseBuilder().setRsvpError(builder.build()).build()).build();
191 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(rsvpError6Bytes, 4))));
192 final ByteBuf buff = Unpooled.buffer();
193 parser.serializeTlv(tlv, buff);
194 assertArrayEquals(rsvpError6Bytes, ByteArray.getAllBytes(buff));
198 public void testUserErrorSpecTlv() throws PCEPDeserializerException {
199 final Stateful07RSVPErrorSpecTlvParser parser = new Stateful07RSVPErrorSpecTlvParser();
200 final UserErrorBuilder builder = new UserErrorBuilder();
201 builder.setEnterprise(new EnterpriseNumber(12345L));
202 builder.setSubOrg((short) 5);
203 builder.setValue(38);
204 builder.setDescription("user desc");
205 final RsvpErrorSpec tlv = new RsvpErrorSpecBuilder().setErrorType(new UserCaseBuilder().setUserError(builder.build()).build()).build();
206 assertEquals(tlv, parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(userErrorBytes, 4))));
207 final ByteBuf buff = Unpooled.buffer();
208 parser.serializeTlv(tlv, buff);
209 assertArrayEquals(userErrorBytes, ByteArray.getAllBytes(buff));
213 public void testPathBindingTlvMplsLabel() throws PCEPDeserializerException {
214 final byte[] pathBindingBytes = {0x00, 0x1f, 0x00, 0x06, 0x00, 0x00, (byte) 0xA8, 0x0F, (byte) 0x60, 0x00, 0x00, 0x00};
215 final PathBindingTlvParser parser = new PathBindingTlvParser();
216 final PathBindingBuilder builder = new PathBindingBuilder();
217 builder.setBindingType((short) 0);
218 builder.setBindingTypeValue(new MplsLabelBuilder().setMplsLabel(new MplsLabel(688_374L)).build());
219 assertEquals(builder.setBindingValue(new byte[] {0x00, 0x00, (byte) 0xA8, 0x0F, (byte) 0x60, 0x00}).build(),
220 parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(pathBindingBytes, 4))));
221 final ByteBuf buff = Unpooled.buffer();
222 parser.serializeTlv(builder.build(), buff);
223 assertArrayEquals(pathBindingBytes, ByteArray.readAllBytes(buff));
226 final byte[] wrong = {0, 0x1f, 0, 4, 1, 1, 2, 3};
227 parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(wrong, 4)));
229 } catch(final PCEPDeserializerException e) {
230 assertEquals("Unsupported Path Binding Type: 257", e.getMessage());
235 public void testPathBindingTlvMplsLabelEntry() throws PCEPDeserializerException {
236 final byte[] pathBindingBytes = {0x00, 0x1f, 0x00, 0x06, 0x00, 0x01, (byte) 0xA8, (byte) 0x0F, (byte) 0x6D, (byte)0xAD, 0x00, 0x00};
237 final PathBindingTlvParser parser = new PathBindingTlvParser();
238 final PathBindingBuilder builder = new PathBindingBuilder();
239 builder.setBindingType((short) 1);
240 builder.setBindingTypeValue(
241 new MplsLabelEntryBuilder()
242 .setTrafficClass((short) 6)
243 .setTimeToLive((short) 173)
244 .setBottomOfStack(true)
245 .setLabel(new MplsLabel(688_374L)).build());
246 final PathBinding tlv = builder.build();
247 assertEquals(builder.setBindingValue(new byte[] {0x00, 0x01, (byte) 0xA8, (byte) 0x0F, (byte) 0x6D, (byte)0xAD}).build(),
248 parser.parseTlv(Unpooled.wrappedBuffer(ByteArray.cutBytes(pathBindingBytes, 4))));
249 final ByteBuf buff = Unpooled.buffer();
250 parser.serializeTlv(tlv, buff);
251 assertArrayEquals(pathBindingBytes, ByteArray.readAllBytes(buff));