/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.tests.unit.util;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.apache.activemq.artemis.utils.UUIDGenerator;
import org.junit.Assert;
import org.junit.Test;
public class UUIDGeneratorTest extends ActiveMQTestBase {
// Constants -----------------------------------------------------
// Attributes ----------------------------------------------------
// Static --------------------------------------------------------
// Constructors --------------------------------------------------
// Public --------------------------------------------------------
@Test
public void testGetHardwareAddress() throws Exception {
byte[] bytes = UUIDGenerator.getHardwareAddress();
Assert.assertNotNull(bytes);
Assert.assertTrue(bytes.length == 6);
}
@Test
public void testZeroPaddedBytes() throws Exception {
Assert.assertNull(UUIDGenerator.getZeroPaddedSixBytes(null));
Assert.assertNull(UUIDGenerator.getZeroPaddedSixBytes(new byte[0]));
Assert.assertNull(UUIDGenerator.getZeroPaddedSixBytes(new byte[7]));
byte[] fiveBytes = new byte[]{1, 2, 3, 4, 5};
byte[] zeroPaddedFiveBytes = UUIDGenerator.getZeroPaddedSixBytes(fiveBytes);
ActiveMQTestBase.assertEqualsByteArrays(new byte[]{1, 2, 3, 4, 5, 0}, zeroPaddedFiveBytes);
byte[] fourBytes = new byte[]{1, 2, 3, 4};
byte[] zeroPaddedFourBytes = UUIDGenerator.getZeroPaddedSixBytes(fourBytes);
ActiveMQTestBase.assertEqualsByteArrays(new byte[]{1, 2, 3, 4, 0, 0}, zeroPaddedFourBytes);
byte[] threeBytes = new byte[]{1, 2, 3};
byte[] zeroPaddedThreeBytes = UUIDGenerator.getZeroPaddedSixBytes(threeBytes);
ActiveMQTestBase.assertEqualsByteArrays(new byte[]{1, 2, 3, 0, 0, 0}, zeroPaddedThreeBytes);
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}