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.Test;
  21
  22 /**
  23  * The class <code>UtilsTest</code> contains tests for the class
  24  * {@link Utils}.
  25  *
  26  * @author ematkho
  27  * @version $Revision: 1.0 $
  28  */
  29 public class UtilsTest {
  30
  31     /**
  32      * Run the UUID makeUUID(byte[]) method test.
  33      */
  34     @Test
  35     public void testMakeUUID() {
  36         int byteSize = 32;
  37         byte[] bytes = new byte[byteSize];
  38         for (int i = 0; i < byteSize; i++) {
  39             bytes[i] = (byte) (i);
  40         }
  41
  42         UUID result = Utils.makeUUID(bytes);
  43         assertNotNull(result);
  44     }
  45
  46     /**
  47      * Run the UUID makeUUID(byte[]) method test.
  48      */
  49     @Test
  50     public void testMakeUUID_2() {
  51         byte[] bytes = new byte[] { (byte) 1, (byte) 1, (byte) 0, (byte) 0,
  52                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 1, (byte) 1,
  53                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0 };
  54
  55         UUID result = Utils.makeUUID(bytes);
  56
  57         assertNotNull(result);
  58         assertEquals(72339069014638592L, result.getLeastSignificantBits());
  59         assertEquals(72339069014638592L, result.getMostSignificantBits());
  60         assertEquals("01010000-0000-0000-0101-000000000000", result.toString());
  61         assertEquals(0, result.variant());
  62         assertEquals(0, result.version());
  63     }
  64
  65     /**
  66      * Run the UUID makeUUID(byte[]) method test.
  67      */
  68     @Test
  69     public void testMakeUUID_3() {
  70         byte[] bytes = new byte[] { (byte) 0, (byte) 0, (byte) 0, (byte) 0,
  71                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0,
  72                 (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0, (byte) 0 };
  73
  74         UUID result = Utils.makeUUID(bytes);
  75
  76         assertNotNull(result);
  77         assertEquals(0L, result.getLeastSignificantBits());
  78         assertEquals(0L, result.getMostSignificantBits());
  79         assertEquals("00000000-0000-0000-0000-000000000000", result.toString());
  80         assertEquals(0, result.variant());
  81         assertEquals(0, result.version());
  82     }
  83
  84     /**
  85      * Run the int unsignedCompare(long,long) method test.
  86      */
  87     @Test
  88     public void testUnsignedCompare() {
  89         long a = 1L;
  90         long b = 1L;
  91
  92         int result = Utils.unsignedCompare(a, b);
  93         assertEquals(0, result);
  94     }
  95 }