2 * Copyright (c) 2017 Brocade Communications 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.bgp.flowspec;
10 import static org.junit.Assert.assertEquals;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.nio.ByteBuffer;
15 import org.junit.Test;
17 public class AbstractFlowspecNlriParserTest {
19 @Test(expected = IllegalStateException.class)
20 public void zeroNlriLengthTest() throws Exception {
21 // invalid zero NRLI length
22 AbstractFlowspecNlriParser.readNlriLength(Unpooled.wrappedBuffer(new byte[]{0x00, 0x0}));
26 public void readNlriLength() throws Exception {
27 final ByteBuffer byteBuffer = ByteBuffer.allocate(5003);
28 byteBuffer.put(new byte[]{(byte) 0x01}); // length = 1
29 byteBuffer.put(new byte[]{(byte) 0xf0, (byte) 0xf0}); // length = 240
30 byteBuffer.put(new byte[]{(byte) 0xf0, (byte) 0xf1}); // length = 241
31 byteBuffer.put(new byte[]{(byte) 0xff, (byte) 0xff}); // length = 4095
33 final ByteBuf byteBuf = Unpooled.wrappedBuffer(byteBuffer);
34 assertEquals(1, AbstractFlowspecNlriParser.readNlriLength(byteBuf));
35 assertEquals(240, AbstractFlowspecNlriParser.readNlriLength(byteBuf));
36 assertEquals(241, AbstractFlowspecNlriParser.readNlriLength(byteBuf));
37 assertEquals(4095, AbstractFlowspecNlriParser.readNlriLength(byteBuf));