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a1d21447 VP |
1 | /******************************************************************************* |
2 | * Copyright (c) 2014 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Vincent Perot - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.pcap.core.tests.file; | |
14 | ||
15 | import static org.junit.Assert.assertEquals; | |
16 | import static org.junit.Assume.assumeTrue; | |
17 | ||
18 | import java.io.IOException; | |
19 | import java.nio.ByteOrder; | |
20 | ||
21 | import org.eclipse.linuxtools.pcap.core.packet.BadPacketException; | |
22 | import org.eclipse.linuxtools.pcap.core.tests.shared.PcapTestTrace; | |
23 | import org.eclipse.linuxtools.pcap.core.trace.BadPcapFileException; | |
24 | import org.eclipse.linuxtools.pcap.core.trace.PcapFile; | |
25 | import org.junit.Test; | |
26 | ||
27 | /** | |
28 | * JUnit Class that tests whether the Pcap parser can read both big endian and | |
29 | * little endian files. | |
30 | * | |
31 | * @author Vincent Perot | |
32 | */ | |
33 | public class PcapFileEndiannessTest { | |
34 | ||
35 | /** | |
36 | * Test that verify that two files with different endianness contain the | |
37 | * same packets. | |
38 | * | |
39 | * @throws BadPcapFileException | |
40 | * Thrown when the file is erroneous. Fails the test. | |
41 | * @throws IOException | |
42 | * Thrown when an IO error occurs. Fails the test. | |
43 | * @throws BadPacketException | |
44 | * Thrown when a packet is erroneous. Fails the test. | |
45 | */ | |
46 | @Test | |
47 | public void EndiannessTest() throws IOException, BadPcapFileException, BadPacketException { | |
48 | PcapTestTrace trace = PcapTestTrace.SHORT_LITTLE_ENDIAN; | |
49 | assumeTrue(trace.exists()); | |
50 | String path1 = trace.getPath(); | |
51 | ||
52 | trace = PcapTestTrace.SHORT_LITTLE_ENDIAN; | |
53 | assumeTrue(trace.exists()); | |
54 | String path2 = PcapTestTrace.SHORT_BIG_ENDIAN.getPath(); | |
55 | ||
56 | try (PcapFile littleEndian = new PcapFile(path1); | |
57 | PcapFile bigEndian = new PcapFile(path2);) { | |
58 | assertEquals(ByteOrder.BIG_ENDIAN, bigEndian.getByteOrder()); | |
59 | assertEquals(ByteOrder.LITTLE_ENDIAN, littleEndian.getByteOrder()); | |
60 | while (littleEndian.hasNextPacket() && bigEndian.hasNextPacket()) { | |
61 | assertEquals(littleEndian.parseNextPacket(), bigEndian.parseNextPacket()); | |
62 | } | |
63 | } | |
64 | } | |
65 | } |