| /******************************************************************************* |
| * Copyright (c) 2014, 2019 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Vincent Perot - Initial API and implementation |
| * Viet-Hung Phan - Support pcapNg |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.pcap.core.tests.packet; |
| |
| import static org.junit.Assert.fail; |
| import static org.junit.Assume.assumeTrue; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| |
| import org.eclipse.tracecompass.internal.pcap.core.packet.BadPacketException; |
| import org.eclipse.tracecompass.internal.pcap.core.protocol.ethernet2.EthernetIIPacket; |
| import org.eclipse.tracecompass.internal.pcap.core.trace.BadPcapFileException; |
| import org.eclipse.tracecompass.internal.pcap.core.trace.PcapFile; |
| import org.eclipse.tracecompass.pcap.core.tests.shared.PcapTestTrace; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * JUnit Class that tests if BadPacketExceptions are thrown correctly for a pcap file or a pcapNg file. |
| * * |
| * @author Vincent Perot |
| */ |
| |
| public class BadPacketTest { |
| |
| private ByteBuffer fEthernetPacket; |
| |
| /** |
| * Initialize the packet. |
| */ |
| @Before |
| public void initialize() { |
| fEthernetPacket = ByteBuffer.allocate(8); |
| fEthernetPacket.order(ByteOrder.BIG_ENDIAN); |
| |
| // This packet is erroneous. It contains 8 bytes while the minimum is 14 |
| // bytes for an Ethernet II packet. |
| |
| // Destination MAC - 6 bytes |
| fEthernetPacket.put((byte) 0x34); |
| fEthernetPacket.put((byte) 0x67); |
| fEthernetPacket.put((byte) 0x0C); |
| fEthernetPacket.put((byte) 0xD2); |
| fEthernetPacket.put((byte) 0x91); |
| fEthernetPacket.put((byte) 0x51); |
| |
| // Source MAC - 2 bytes |
| fEthernetPacket.put((byte) 0x10); |
| fEthernetPacket.put((byte) 0xF8); |
| |
| fEthernetPacket.flip(); |
| |
| } |
| |
| /** |
| * Test that verify if a BadPacketException is correctly thrown (when a |
| * packet is erroneous). |
| * |
| * @throws BadPcapFileException |
| * Thrown when the file is erroneous. Fails the test. |
| * @throws IOException |
| * Thrown when an IO error occurs. Fails the test. |
| * @throws BadPacketException |
| * Thrown when a packet is erroneous. Expected from the test. |
| */ |
| @Test(expected = BadPacketException.class) |
| public void PacketExceptionTest() throws BadPacketException, IOException, BadPcapFileException { |
| PcapTestTrace trace = PcapTestTrace.MOSTLY_TCP; |
| assumeTrue(trace.exists()); |
| // Get a right pcap/pcapNg trace |
| try (PcapFile dummy = trace.getTrace();) { |
| ByteBuffer packet = fEthernetPacket; |
| if (packet != null) { |
| new EthernetIIPacket(dummy, null, packet); |
| } |
| fail("PacketExceptionTest has failed!"); |
| } |
| } |
| } |