/* * $Id$ * * Copyright (C) 2003-2015 JNode.org * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; If not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package org.jnode.net.arp; import java.net.SocketException; import org.jnode.net.SocketBuffer; import org.jnode.net.ethernet.EthernetConstants; import org.junit.Test; import static org.junit.Assert.assertEquals; public class ARPHeaderTest { private static final int ARP_HEADER_LENGTH = 28; @Test public void testHeaderFromSocketBuffer() throws SocketException { SocketBuffer buffer = getSocketBuffer(); ARPHeader header = new ARPHeader(buffer); assertEquals(ARP_HEADER_LENGTH, header.getLength()); assertEquals(ARPOperation.ARP_REQUEST, header.getOperation()); assertEquals(1, header.getHType()); assertEquals(EthernetConstants.ETH_P_IP, header.getPType()); } private SocketBuffer getSocketBuffer() { SocketBuffer buffer = new SocketBuffer(ARP_HEADER_LENGTH); buffer.append(ARP_HEADER_LENGTH); buffer.set16(0, 1); buffer.set16(2, 0x800); buffer.set(4, 6); buffer.set(5, 4); buffer.set16(6, 1); buffer.set(8, 0); buffer.set(14, 0); buffer.set(18, 0); buffer.set(24, 0); return buffer; } }