pcap/org.eclipse.tracecompass.pcap.core.tests/src/org/eclipse/tracecompass/pcap/core/tests/file/PcapFileOpenTest.java

   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.tracecompass.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.tracecompass.internal.pcap.core.trace.BadPcapFileException;
  22 import org.eclipse.tracecompass.internal.pcap.core.trace.PcapFile;
  23 import org.eclipse.tracecompass.pcap.core.tests.shared.PcapTestTrace;
  24 import org.junit.Test;
  25
  26 /**
  27  * JUnit Class that tests the opening of valid pcap files.
  28  *
  29  * @author Vincent Perot
  30  */
  31 public class PcapFileOpenTest {
  32
  33     /**
  34      * Test that verify that an empty pcap file is properly opened and that the
  35      * file properties are correct.
  36      *
  37      * @throws BadPcapFileException
  38      *             Thrown when the file is erroneous. Fails the test.
  39      * @throws IOException
  40      *             Thrown when an IO error occurs. Fails the test.
  41      */
  42     @Test
  43     public void FileOpenEmptyTest() throws IOException, BadPcapFileException {
  44
  45         PcapTestTrace trace = PcapTestTrace.EMPTY_PCAP;
  46         assumeTrue(trace.exists());
  47
  48         try (PcapFile file = new PcapFile(trace.getPath());) {
  49             assertEquals(PcapTestTrace.EMPTY_PCAP.getPath(), file.getPath());
  50             assertEquals(2, file.getMajorVersion());
  51             assertEquals(4, file.getMinorVersion());
  52             assertEquals(1, file.getDataLinkType());
  53             assertEquals(65535, file.getSnapLength());
  54             assertEquals(0, file.getTimeAccuracy());
  55             assertEquals(0, file.getTimeZoneCorrection());
  56             assertEquals(ByteOrder.LITTLE_ENDIAN, file.getByteOrder());
  57
  58             assertEquals(0, file.getTotalNbPackets());
  59
  60         }
  61     }
  62
  63     /**
  64      * Test that verify that an non-empty pcap file is properly opened and that
  65      * the file properties are correct.
  66      *
  67      * @throws BadPcapFileException
  68      *             Thrown when the file is erroneous. Fails the test.
  69      * @throws IOException
  70      *             Thrown when an IO error occurs. Fails the test.
  71      */
  72
  73     @Test
  74     public void FileOpenTest() throws IOException, BadPcapFileException {
  75
  76         PcapTestTrace trace = PcapTestTrace.MOSTLY_TCP;
  77         assumeTrue(trace.exists());
  78
  79         try (PcapFile file = new PcapFile(trace.getPath());) {
  80             assertEquals(PcapTestTrace.MOSTLY_TCP.getPath(), file.getPath());
  81             assertEquals(2, file.getMajorVersion());
  82             assertEquals(4, file.getMinorVersion());
  83             assertEquals(1, file.getDataLinkType());
  84             assertEquals(65535, file.getSnapLength());
  85             assertEquals(0, file.getTimeAccuracy());
  86             assertEquals(0, file.getTimeZoneCorrection());
  87             assertEquals(ByteOrder.LITTLE_ENDIAN, file.getByteOrder());
  88
  89             assertEquals(43, file.getTotalNbPackets());
  90
  91         }
  92     }
  93
  94 }