/*
* 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
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*/
package org.apache.cassandra.db.marshal;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import org.apache.cassandra.CleanupHelper;
import org.apache.cassandra.db.marshal.TimeUUIDType;
import org.safehaus.uuid.UUID;
import org.safehaus.uuid.UUIDGenerator;
public class TimeUUIDTypeTest extends CleanupHelper
{
TimeUUIDType timeUUIDType = new TimeUUIDType();
UUIDGenerator generator = UUIDGenerator.getInstance();
@Test
public void testEquality()
{
UUID a = generator.generateTimeBasedUUID();
UUID b = new UUID(a.asByteArray());
assertEquals(0, timeUUIDType.compare(a.asByteArray(), b.asByteArray()));
}
@Test
public void testSmaller()
{
UUID a = generator.generateTimeBasedUUID();
UUID b = generator.generateTimeBasedUUID();
UUID c = generator.generateTimeBasedUUID();
assertEquals(-1, timeUUIDType.compare(a.asByteArray(), b.asByteArray()));
assertEquals(-1, timeUUIDType.compare(b.asByteArray(), c.asByteArray()));
assertEquals(-1, timeUUIDType.compare(a.asByteArray(), c.asByteArray()));
}
@Test
public void testBigger()
{
UUID a = generator.generateTimeBasedUUID();
UUID b = generator.generateTimeBasedUUID();
UUID c = generator.generateTimeBasedUUID();
assertEquals(1, timeUUIDType.compare(c.asByteArray(), b.asByteArray()));
assertEquals(1, timeUUIDType.compare(b.asByteArray(), a.asByteArray()));
assertEquals(1, timeUUIDType.compare(c.asByteArray(), a.asByteArray()));
}
@Test
public void testTimestamp()
{
for (int i = 0; i < 100; i++)
{
UUID uuid = generator.generateTimeBasedUUID();
assert TimeUUIDType.getTimestamp(uuid.asByteArray()) == LexicalUUIDType.getUUID(uuid.asByteArray()).timestamp();
}
}
}