/*
* 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.cassandra.dht;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class BoundsTest
{
private Bounds<Token> bounds(long left, long right)
{
return new Bounds<Token>(new Murmur3Partitioner.LongToken(left), new Murmur3Partitioner.LongToken(right));
}
@Test
/**
* [0,1],[0,5],[1,8],[4,10] = [0, 10]
* [15,19][19,20] = [15,20]
* [21, 22] = [21,22]
*/
public void testGetNonOverlappingBounds()
{
List<Bounds<Token>> bounds = new LinkedList<>();
bounds.add(bounds(19, 20));
bounds.add(bounds(0, 1));
bounds.add(bounds(4, 10));
bounds.add(bounds(15, 19));
bounds.add(bounds(0, 5));
bounds.add(bounds(21, 22));
bounds.add(bounds(1, 8));
Set<Bounds<Token>> nonOverlappingBounds = Bounds.getNonOverlappingBounds(bounds);
assertEquals(3, nonOverlappingBounds.size());
assertTrue(nonOverlappingBounds.contains(bounds(0, 10)));
assertTrue(nonOverlappingBounds.contains(bounds(15,20)));
assertTrue(nonOverlappingBounds.contains(bounds(21,22)));
}
}