diff options
Diffstat (limited to 'framework/src/onos/utils/misc/src/test/java/org/onlab/packet/LLDPTest.java')
-rw-r--r-- | framework/src/onos/utils/misc/src/test/java/org/onlab/packet/LLDPTest.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/LLDPTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/LLDPTest.java new file mode 100644 index 00000000..95b0b04a --- /dev/null +++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/packet/LLDPTest.java @@ -0,0 +1,115 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.onlab.packet; + +import org.junit.Before; +import org.junit.Test; + +import java.nio.ByteBuffer; +import java.util.Arrays; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +/** + * Unit tests for the LLDP class. + */ +public class LLDPTest { + + private Deserializer<LLDP> deserializer; + + private byte[] chassisValue = new byte[] {0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7}; + private byte[] portValue = new byte[] {0x1, 0x2, 0x3, 0x4, 0x5}; + private byte[] ttlValue = new byte[] {0x0, 0x20}; + + private short optionalTlvSize = 6; + private byte[] optionalTlvValue = new byte[] {0x6, 0x5, 0x4, 0x3, 0x2, 0x1}; + + private byte[] bytes; + + @Before + public void setUp() throws Exception { + deserializer = LLDP.deserializer(); + + // Each TLV is 2 bytes for the type+length, plus the size of the value + // There are 2 zero-bytes at the end + ByteBuffer bb = ByteBuffer.allocate(2 + LLDP.CHASSIS_TLV_SIZE + + 2 + LLDP.PORT_TLV_SIZE + + 2 + LLDP.TTL_TLV_SIZE + + 2 + optionalTlvSize + + 2); + + // Chassis TLV + bb.putShort(getTypeLength(LLDP.CHASSIS_TLV_TYPE, LLDP.CHASSIS_TLV_SIZE)); + bb.put(chassisValue); + + // Port TLV + bb.putShort(getTypeLength(LLDP.PORT_TLV_TYPE, LLDP.PORT_TLV_SIZE)); + bb.put(portValue); + + // TTL TLV + bb.putShort(getTypeLength(LLDP.TTL_TLV_TYPE, LLDP.TTL_TLV_SIZE)); + bb.put(ttlValue); + + // Optional TLV + bb.putShort(getTypeLength(LLDPOrganizationalTLV.ORGANIZATIONAL_TLV_TYPE, optionalTlvSize)); + bb.put(optionalTlvValue); + + bb.putShort((short) 0); + + bytes = bb.array(); + + } + + private short getTypeLength(byte type, short length) { + return (short) ((0x7f & type) << 9 | 0x1ff & length); + } + + @Test + public void testDeserializeBadInput() throws Exception { + PacketTestUtils.testDeserializeBadInput(deserializer); + } + + @Test + public void testDeserializeTruncated() throws Exception { + PacketTestUtils.testDeserializeTruncated(deserializer, bytes); + } + + @Test + public void testDeserialize() throws Exception { + LLDP lldp = deserializer.deserialize(bytes, 0, bytes.length); + + assertEquals(LLDP.CHASSIS_TLV_TYPE, lldp.getChassisId().getType()); + assertEquals(LLDP.CHASSIS_TLV_SIZE, lldp.getChassisId().getLength()); + assertTrue(Arrays.equals(chassisValue, lldp.getChassisId().getValue())); + + assertEquals(LLDP.PORT_TLV_TYPE, lldp.getPortId().getType()); + assertEquals(LLDP.PORT_TLV_SIZE, lldp.getPortId().getLength()); + assertTrue(Arrays.equals(portValue, lldp.getPortId().getValue())); + + assertEquals(LLDP.TTL_TLV_TYPE, lldp.getTtl().getType()); + assertEquals(LLDP.TTL_TLV_SIZE, lldp.getTtl().getLength()); + assertTrue(Arrays.equals(ttlValue, lldp.getTtl().getValue())); + + assertEquals(1, lldp.getOptionalTLVList().size()); + LLDPTLV optionalTlv = lldp.getOptionalTLVList().get(0); + + assertEquals(LLDPOrganizationalTLV.ORGANIZATIONAL_TLV_TYPE, optionalTlv.getType()); + assertEquals(optionalTlvSize, optionalTlv.getLength()); + assertTrue(Arrays.equals(optionalTlvValue, optionalTlv.getValue())); + } +} |