broker-core/src/test/java/org/apache/qpid/server/util/CachingUUIDFactoryTest.java

/*
 * 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.
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 */

package org.apache.qpid.server.util;

import java.util.UUID;

import org.apache.qpid.test.utils.QpidTestCase;

public class CachingUUIDFactoryTest extends QpidTestCase
{
    private final CachingUUIDFactory _factory = new CachingUUIDFactory();

    public void testUuidFromBits()
    {
        UUID first = _factory.createUuidFromBits(0L,0L);
        UUID second = _factory.createUuidFromBits(0L,0L);
        assertSame("UUIDFactory should return the same object", first, second);
    }

    public void testUuidFromString()
    {
        String uuidStr = UUID.randomUUID().toString();
        UUID first = _factory.createUuidFromString(new String(uuidStr));
        UUID second = _factory.createUuidFromString(new String(uuidStr));
        UUID third = _factory.createUuidFromBits(second.getMostSignificantBits(), second.getLeastSignificantBits());
        assertSame("UUIDFactory should return the same object", first, second);
        assertSame("UUIDFactory should return the same object", first, third);
    }
}