org.eclipse.linuxtools.ctf.core.tests/src/org/eclipse/linuxtools/ctf/core/tests/trace/UtilsTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Ericsson
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     Matthew Khouzam - Initial API and implementation
  10  *******************************************************************************/
  11
  12 package org.eclipse.linuxtools.ctf.core.tests.trace;
  13
  14 import static org.junit.Assert.assertEquals;
  15 import static org.junit.Assert.assertNotNull;
  16
  17 import java.util.UUID;
  18
  19 import org.eclipse.linuxtools.ctf.core.trace.Utils;
  20 import org.junit.After;
  21 import org.junit.Before;
  22 import org.junit.Test;
  23
  24 /**
  25  * The class <code>UtilsTest</code> contains tests for the class
  26  * {@link Utils}.
  27  *
  28  * @author ematkho
  29  * @version $Revision: 1.0 $
  30  */
  31 public class UtilsTest {
  32
  33     /**
  34      * Launch the test.
  35      *
  36      * @param args
  37      *            the command line arguments
  38      */
  39     public static void main(String[] args) {
  40         new org.junit.runner.JUnitCore().run(UtilsTest.class);
  41     }
  42
  43     /**
  44      * Perform pre-test initialization.
  45      */
  46     @Before
  47     public void setUp() {
  48         // add additional set up code here
  49     }
  50
  51     /**
  52      * Perform post-test clean-up.
  53      */
  54     @After
  55     public void tearDown() {
  56         // Add additional tear down code here
  57     }
  58
  59     /**
  60      * Run the Utils() constructor test.
  61      */
  62     @Test
  63     public void testUtils() {
  64         Utils result = new Utils();
  65         assertNotNull(result);
  66     }
  67
  68     /**
  69      * Run the UUID makeUUID(byte[]) method test.
  70      */
  71     @Test
  72     public void testMakeUUID() {
  73         int byteSize = 32;
  74         byte[] bytes = new byte[byteSize];
  75         for (int i = 0; i < byteSize; i++) {
  76             bytes[i] = (byte) (i);
  77         }
  78
  79         UUID result = Utils.makeUUID(bytes);
  80         assertNotNull(result);
  81     }
  82
  83     /**
  84      * Run the UUID makeUUID(byte[]) method test.
  85      */
  86     @Test
  87     public void testMakeUUID_2() {
  88         byte[] bytes = new byte[] { (byte) 1, (byte) 1, (byte) 0, (byte) 0,
  89                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 1, (byte) 1,
  90                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0 };
  91
  92         UUID result = Utils.makeUUID(bytes);
  93
  94         assertNotNull(result);
  95         assertEquals(72339069014638592L, result.getLeastSignificantBits());
  96         assertEquals(72339069014638592L, result.getMostSignificantBits());
  97         assertEquals("01010000-0000-0000-0101-000000000000", result.toString()); //$NON-NLS-1$
  98         assertEquals(0, result.variant());
  99         assertEquals(0, result.version());
 100     }
 101
 102     /**
 103      * Run the UUID makeUUID(byte[]) method test.
 104      */
 105     @Test
 106     public void testMakeUUID_3() {
 107         byte[] bytes = new byte[] { (byte) 0, (byte) 0, (byte) 0, (byte) 0,
 108                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0,
 109                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0 };
 110
 111         UUID result = Utils.makeUUID(bytes);
 112
 113         assertNotNull(result);
 114         assertEquals(0L, result.getLeastSignificantBits());
 115         assertEquals(0L, result.getMostSignificantBits());
 116         assertEquals("00000000-0000-0000-0000-000000000000", result.toString()); //$NON-NLS-1$
 117         assertEquals(0, result.variant());
 118         assertEquals(0, result.version());
 119     }
 120
 121     /**
 122      * Run the int unsignedCompare(long,long) method test.
 123      */
 124     @Test
 125     public void testUnsignedCompare() {
 126         long a = 1L;
 127         long b = 1L;
 128
 129         int result = Utils.unsignedCompare(a, b);
 130         assertEquals(0, result);
 131     }
 132 }