openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/multipart/TableFeaturesTest.java

   1 /*\r
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others.  All rights reserved.\r
   3  *\r
   4  * This program and the accompanying materials are made available under the\r
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html\r
   7  */\r
   8 package org.opendaylight.openflowjava.protocol.impl.serialization.factories.multipart;\r
   9 \r
  10 import io.netty.buffer.ByteBuf;\r
  11 import io.netty.buffer.UnpooledByteBufAllocator;\r
  12 \r
  13 import java.math.BigInteger;\r
  14 import java.util.ArrayList;\r
  15 import java.util.List;\r
  16 \r
  17 import org.junit.Assert;\r
  18 import org.junit.Before;\r
  19 import org.junit.Test;\r
  20 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;\r
  21 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;\r
  22 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;\r
  23 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;\r
  24 import org.opendaylight.openflowjava.protocol.impl.serialization.factories.MultipartRequestInputFactory;\r
  25 import org.opendaylight.openflowjava.protocol.impl.serialization.factories.MultipartRequestInputFactoryTest;\r
  26 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;\r
  27 import org.opendaylight.openflowjava.util.ByteBufUtils;\r
  28 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;\r
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.InstructionRelatedTableFeatureProperty;\r
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.InstructionRelatedTableFeaturePropertyBuilder;\r
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NextTableRelatedTableFeatureProperty;\r
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NextTableRelatedTableFeaturePropertyBuilder;\r
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmRelatedTableFeatureProperty;\r
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmRelatedTableFeaturePropertyBuilder;\r
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.table.features.properties.container.table.feature.properties.NextTableIds;\r
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.table.features.properties.container.table.feature.properties.NextTableIdsBuilder;\r
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ApplyActions;\r
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ClearActions;\r
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.GotoTable;\r
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.Meter;\r
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteActions;\r
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteMetadata;\r
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;\r
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder;\r
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;\r
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;\r
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableConfig;\r
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableFeaturesPropType;\r
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort;\r
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPort;\r
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn;\r
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpProto;\r
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass;\r
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;\r
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;\r
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;\r
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;\r
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableFeaturesCaseBuilder;\r
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.MultipartRequestTableFeaturesBuilder;\r
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.multipart.request.table.features.TableFeatures;\r
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.multipart.request.table.features.TableFeaturesBuilder;\r
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeatureProperties;\r
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeaturePropertiesBuilder;\r
  64 \r
  65 /**\r
  66  * @author michal.polkorab\r
  67  *\r
  68  */\r
  69 public class TableFeaturesTest {\r
  70     private static final byte PADDING_IN_MULTIPART_REQUEST_MESSAGE =\r
  71             MultipartRequestInputFactoryTest.PADDING_IN_MULTIPART_REQUEST_MESSAGE;\r
  72     private SerializerRegistry registry;\r
  73     private OFSerializer<MultipartRequestInput> multipartFactory;\r
  74 \r
  75     /**\r
  76      * Initializes serializer registry and stores correct factory in field\r
  77      */\r
  78     @Before\r
  79     public void startUp() {\r
  80         registry = new SerializerRegistryImpl();\r
  81         registry.init();\r
  82         multipartFactory = registry.getSerializer(\r
  83                 new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, MultipartRequestInput.class));\r
  84     }\r
  85 \r
  86     /**\r
  87      * @throws Exception\r
  88      * Testing of {@link MultipartRequestInputFactory} for correct translation from POJO\r
  89      */\r
  90     @Test\r
  91     public void testMultipartRequestTableFeaturesMessageFactory() throws Exception {\r
  92         MultipartRequestInputBuilder builder = new MultipartRequestInputBuilder();\r
  93         BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);\r
  94         builder.setType(MultipartType.forValue(12));\r
  95         builder.setFlags(new MultipartRequestFlags(true));\r
  96         MultipartRequestTableFeaturesCaseBuilder caseBuilder = new MultipartRequestTableFeaturesCaseBuilder();\r
  97         MultipartRequestTableFeaturesBuilder featuresBuilder = new MultipartRequestTableFeaturesBuilder();\r
  98         List<TableFeatures> tableFeaturesList = new ArrayList<>();\r
  99         TableFeaturesBuilder tableFeaturesBuilder = new TableFeaturesBuilder();\r
 100         tableFeaturesBuilder.setTableId((short) 8);\r
 101         tableFeaturesBuilder.setName("AAAABBBBCCCCDDDDEEEEFFFFGGGG");\r
 102         tableFeaturesBuilder.setMetadataMatch(new BigInteger(new byte[] {0x00, 0x01, 0x02, 0x03, 0x01, 0x04, 0x08, 0x01}));\r
 103         tableFeaturesBuilder.setMetadataWrite(new BigInteger(new byte[] {0x00, 0x07, 0x01, 0x05, 0x01, 0x00, 0x03, 0x01}));\r
 104         tableFeaturesBuilder.setConfig(new TableConfig(true));\r
 105         tableFeaturesBuilder.setMaxEntries(65L);\r
 106         List<TableFeatureProperties> properties = new ArrayList<>();\r
 107         TableFeaturePropertiesBuilder propBuilder = new TableFeaturePropertiesBuilder();\r
 108         propBuilder.setType(TableFeaturesPropType.OFPTFPTNEXTTABLES);\r
 109         NextTableRelatedTableFeaturePropertyBuilder nextPropBuilder =\r
 110                 new NextTableRelatedTableFeaturePropertyBuilder();\r
 111         List<NextTableIds> nextIds = new ArrayList<>();\r
 112         nextIds.add(new NextTableIdsBuilder().setTableId((short) 1).build());\r
 113         nextIds.add(new NextTableIdsBuilder().setTableId((short) 2).build());\r
 114         nextPropBuilder.setNextTableIds(nextIds);\r
 115         propBuilder.addAugmentation(NextTableRelatedTableFeatureProperty.class, nextPropBuilder.build());\r
 116         properties.add(propBuilder.build());\r
 117         propBuilder = new TableFeaturePropertiesBuilder();\r
 118         propBuilder.setType(TableFeaturesPropType.OFPTFPTNEXTTABLESMISS);\r
 119         nextPropBuilder = new NextTableRelatedTableFeaturePropertyBuilder();\r
 120         nextIds = new ArrayList<>();\r
 121         nextIds.add(new NextTableIdsBuilder().setTableId((short) 3).build());\r
 122         nextPropBuilder.setNextTableIds(nextIds);\r
 123         propBuilder.addAugmentation(NextTableRelatedTableFeatureProperty.class, nextPropBuilder.build());\r
 124         properties.add(propBuilder.build());\r
 125         propBuilder = new TableFeaturePropertiesBuilder();\r
 126         propBuilder.setType(TableFeaturesPropType.OFPTFPTINSTRUCTIONS);\r
 127         InstructionRelatedTableFeaturePropertyBuilder insPropBuilder =\r
 128                 new InstructionRelatedTableFeaturePropertyBuilder();\r
 129         List<Instruction> insIds = new ArrayList<>();\r
 130         InstructionBuilder insBuilder = new InstructionBuilder();\r
 131         insBuilder.setType(WriteActions.class);\r
 132         insIds.add(insBuilder.build());\r
 133         insBuilder = new InstructionBuilder();\r
 134         insBuilder.setType(GotoTable.class);\r
 135         insIds.add(insBuilder.build());\r
 136         insPropBuilder.setInstruction(insIds);\r
 137         propBuilder.addAugmentation(InstructionRelatedTableFeatureProperty.class, insPropBuilder.build());\r
 138         properties.add(propBuilder.build());\r
 139         propBuilder = new TableFeaturePropertiesBuilder();\r
 140         propBuilder.setType(TableFeaturesPropType.OFPTFPTINSTRUCTIONSMISS);\r
 141         insPropBuilder = new InstructionRelatedTableFeaturePropertyBuilder();\r
 142         insIds = new ArrayList<>();\r
 143         insBuilder = new InstructionBuilder();\r
 144         insBuilder.setType(WriteMetadata.class);\r
 145         insIds.add(insBuilder.build());\r
 146         insBuilder = new InstructionBuilder();\r
 147         insBuilder.setType(ApplyActions.class);\r
 148         insIds.add(insBuilder.build());\r
 149         insBuilder = new InstructionBuilder();\r
 150         insBuilder.setType(Meter.class);\r
 151         insIds.add(insBuilder.build());\r
 152         insBuilder = new InstructionBuilder();\r
 153         insBuilder.setType(ClearActions.class);\r
 154         insIds.add(insBuilder.build());\r
 155         insBuilder = new InstructionBuilder();\r
 156         insBuilder.setType(GotoTable.class);\r
 157         insIds.add(insBuilder.build());\r
 158         insPropBuilder.setInstruction(insIds);\r
 159         propBuilder.addAugmentation(InstructionRelatedTableFeatureProperty.class, insPropBuilder.build());\r
 160         properties.add(propBuilder.build());\r
 161         tableFeaturesBuilder.setTableFeatureProperties(properties);\r
 162         tableFeaturesList.add(tableFeaturesBuilder.build());\r
 163         tableFeaturesBuilder = new TableFeaturesBuilder();\r
 164         tableFeaturesBuilder.setTableId((short) 8);\r
 165         tableFeaturesBuilder.setName("AAAABBBBCCCCDDDDEEEEFFFFGGGG");\r
 166         tableFeaturesBuilder.setMetadataMatch(new BigInteger(new byte[] {0x00, 0x01, 0x02, 0x03, 0x01, 0x04, 0x08, 0x01}));\r
 167         tableFeaturesBuilder.setMetadataWrite(new BigInteger(new byte[] {0x00, 0x07, 0x01, 0x05, 0x01, 0x00, 0x03, 0x01}));\r
 168         tableFeaturesBuilder.setConfig(new TableConfig(true));\r
 169         tableFeaturesBuilder.setMaxEntries(67L);\r
 170         properties = new ArrayList<>();\r
 171         propBuilder = new TableFeaturePropertiesBuilder();\r
 172         propBuilder.setType(TableFeaturesPropType.OFPTFPTMATCH);\r
 173         OxmRelatedTableFeaturePropertyBuilder oxmBuilder = new OxmRelatedTableFeaturePropertyBuilder();\r
 174         List<MatchEntries> entries = new ArrayList<>();\r
 175         MatchEntriesBuilder entriesBuilder = new MatchEntriesBuilder();\r
 176         entriesBuilder.setOxmClass(OpenflowBasicClass.class);\r
 177         entriesBuilder.setOxmMatchField(InPhyPort.class);\r
 178         entriesBuilder.setHasMask(false);\r
 179         entries.add(entriesBuilder.build());\r
 180         entriesBuilder = new MatchEntriesBuilder();\r
 181         entriesBuilder.setOxmClass(OpenflowBasicClass.class);\r
 182         entriesBuilder.setOxmMatchField(InPort.class);\r
 183         entriesBuilder.setHasMask(false);\r
 184         entries.add(entriesBuilder.build());\r
 185         oxmBuilder.setMatchEntries(entries);\r
 186         propBuilder.addAugmentation(OxmRelatedTableFeatureProperty.class, oxmBuilder.build());\r
 187         properties.add(propBuilder.build());\r
 188         propBuilder = new TableFeaturePropertiesBuilder();\r
 189         propBuilder.setType(TableFeaturesPropType.OFPTFPTAPPLYSETFIELD);\r
 190         oxmBuilder = new OxmRelatedTableFeaturePropertyBuilder();\r
 191         entries = new ArrayList<>();\r
 192         entriesBuilder = new MatchEntriesBuilder();\r
 193         entriesBuilder.setOxmClass(OpenflowBasicClass.class);\r
 194         entriesBuilder.setOxmMatchField(IpProto.class);\r
 195         entriesBuilder.setHasMask(false);\r
 196         entries.add(entriesBuilder.build());\r
 197         entriesBuilder = new MatchEntriesBuilder();\r
 198         entriesBuilder.setOxmClass(OpenflowBasicClass.class);\r
 199         entriesBuilder.setOxmMatchField(IpEcn.class);\r
 200         entriesBuilder.setHasMask(false);\r
 201         entries.add(entriesBuilder.build());\r
 202         oxmBuilder.setMatchEntries(entries);\r
 203         propBuilder.addAugmentation(OxmRelatedTableFeatureProperty.class, oxmBuilder.build());\r
 204         properties.add(propBuilder.build());\r
 205         tableFeaturesBuilder.setTableFeatureProperties(properties);\r
 206         tableFeaturesList.add(tableFeaturesBuilder.build());\r
 207         featuresBuilder.setTableFeatures(tableFeaturesList);\r
 208         caseBuilder.setMultipartRequestTableFeatures(featuresBuilder.build());\r
 209         builder.setMultipartRequestBody(caseBuilder.build());\r
 210         MultipartRequestInput message = builder.build();\r
 211 \r
 212         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();\r
 213         multipartFactory.serialize(message, out);\r
 214 \r
 215         BufferHelper.checkHeaderV13(out, (byte) 18, 232);\r
 216         Assert.assertEquals("Wrong type", 12, out.readUnsignedShort());\r
 217         Assert.assertEquals("Wrong flags", 1, out.readUnsignedShort());\r
 218         out.skipBytes(PADDING_IN_MULTIPART_REQUEST_MESSAGE);\r
 219         Assert.assertEquals("Wrong length", 120, out.readUnsignedShort());\r
 220         Assert.assertEquals("Wrong registry-id", 8, out.readUnsignedByte());\r
 221         out.skipBytes(5);\r
 222         Assert.assertEquals("Wrong name", "AAAABBBBCCCCDDDDEEEEFFFFGGGG",\r
 223                 ByteBufUtils.decodeNullTerminatedString(out, 32));\r
 224         byte[] metadataMatch = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];\r
 225         out.readBytes(metadataMatch);\r
 226         Assert.assertArrayEquals("Wrong metadata-match",\r
 227                 new byte[] {0x00, 0x01, 0x02, 0x03, 0x01, 0x04, 0x08, 0x01}, metadataMatch);\r
 228         byte[] metadataWrite = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];\r
 229         out.readBytes(metadataWrite);\r
 230         Assert.assertArrayEquals("Wrong metadata-write",\r
 231                 new byte[] {0x00, 0x07, 0x01, 0x05, 0x01, 0x00, 0x03, 0x01}, metadataWrite);\r
 232         Assert.assertEquals("Wrong config", 8, out.readUnsignedInt());\r
 233         Assert.assertEquals("Wrong max-entries", 65, out.readUnsignedInt());\r
 234         Assert.assertEquals("Wrong property type", 2, out.readUnsignedShort());\r
 235         Assert.assertEquals("Wrong property length", 6, out.readUnsignedShort());\r
 236         Assert.assertEquals("Wrong next-registry-id", 1, out.readUnsignedByte());\r
 237         Assert.assertEquals("Wrong next-registry-id", 2, out.readUnsignedByte());\r
 238         out.skipBytes(2);\r
 239         Assert.assertEquals("Wrong property type", 3, out.readUnsignedShort());\r
 240         Assert.assertEquals("Wrong property length", 5, out.readUnsignedShort());\r
 241         Assert.assertEquals("Wrong next-registry-id", 3, out.readUnsignedByte());\r
 242         out.skipBytes(3);\r
 243         Assert.assertEquals("Wrong property type", 0, out.readUnsignedShort());\r
 244         Assert.assertEquals("Wrong property length", 12, out.readUnsignedShort());\r
 245         Assert.assertEquals("Wrong instruction type", 3, out.readUnsignedShort());\r
 246         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 247         Assert.assertEquals("Wrong instruction type", 1, out.readUnsignedShort());\r
 248         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 249         out.skipBytes(4);\r
 250         Assert.assertEquals("Wrong property type", 1, out.readUnsignedShort());\r
 251         Assert.assertEquals("Wrong property length", 24, out.readUnsignedShort());\r
 252         Assert.assertEquals("Wrong instruction type", 2, out.readUnsignedShort());\r
 253         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 254         Assert.assertEquals("Wrong instruction type", 4, out.readUnsignedShort());\r
 255         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 256         Assert.assertEquals("Wrong instruction type", 6, out.readUnsignedShort());\r
 257         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 258         Assert.assertEquals("Wrong instruction type", 5, out.readUnsignedShort());\r
 259         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 260         Assert.assertEquals("Wrong instruction type", 1, out.readUnsignedShort());\r
 261         Assert.assertEquals("Wrong instruction length", 4, out.readUnsignedShort());\r
 262         Assert.assertEquals("Wrong length", 96, out.readUnsignedShort());\r
 263         Assert.assertEquals("Wrong registry-id", 8, out.readUnsignedByte());\r
 264         out.skipBytes(5);\r
 265         Assert.assertEquals("Wrong name", "AAAABBBBCCCCDDDDEEEEFFFFGGGG",\r
 266                 ByteBufUtils.decodeNullTerminatedString(out, 32));\r
 267         metadataMatch = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];\r
 268         out.readBytes(metadataMatch);\r
 269         Assert.assertArrayEquals("Wrong metadata-match",\r
 270                 new byte[] {0x00, 0x01, 0x02, 0x03, 0x01, 0x04, 0x08, 0x01}, metadataMatch);\r
 271         metadataWrite = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];\r
 272         out.readBytes(metadataWrite);\r
 273         Assert.assertArrayEquals("Wrong metadata-write",\r
 274                 new byte[] {0x00, 0x07, 0x01, 0x05, 0x01, 0x00, 0x03, 0x01}, metadataWrite);\r
 275         Assert.assertEquals("Wrong config", 8, out.readUnsignedInt());\r
 276         Assert.assertEquals("Wrong max-entries", 67, out.readUnsignedInt());\r
 277         Assert.assertEquals("Wrong property type", 8, out.readUnsignedShort());\r
 278         Assert.assertEquals("Wrong property length", 12, out.readUnsignedShort());\r
 279         Assert.assertEquals("Wrong match class", 0x8000, out.readUnsignedShort());\r
 280         Assert.assertEquals("Wrong match field&mask", 2, out.readUnsignedByte());\r
 281         Assert.assertEquals("Wrong match length", 4, out.readUnsignedByte());\r
 282         Assert.assertEquals("Wrong match class", 0x8000, out.readUnsignedShort());\r
 283         Assert.assertEquals("Wrong match field&mask", 0, out.readUnsignedByte());\r
 284         Assert.assertEquals("Wrong match length", 4, out.readUnsignedByte());\r
 285         out.skipBytes(4);\r
 286         Assert.assertEquals("Wrong property type", 14, out.readUnsignedShort());\r
 287         Assert.assertEquals("Wrong property length", 12, out.readUnsignedShort());\r
 288         Assert.assertEquals("Wrong match class", 0x8000, out.readUnsignedShort());\r
 289         Assert.assertEquals("Wrong match field&mask", 20, out.readUnsignedByte());\r
 290         Assert.assertEquals("Wrong match length", 1, out.readUnsignedByte());\r
 291         Assert.assertEquals("Wrong match class", 0x8000, out.readUnsignedShort());\r
 292         Assert.assertEquals("Wrong match field&mask", 18, out.readUnsignedByte());\r
 293         Assert.assertEquals("Wrong match length", 1, out.readUnsignedByte());\r
 294         out.skipBytes(4);\r
 295         Assert.assertTrue("Unread data", out.readableBytes() == 0);\r
 296     }\r
 297 \r
 298 }\r