| /** |
| * 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.hadoop.mapred; |
| |
| import java.util.Iterator; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.mapred.SortedRanges.Range; |
| |
| public class TestSortedRanges extends TestCase { |
| private static final Log LOG = |
| LogFactory.getLog(TestSortedRanges.class); |
| |
| public void testAdd() { |
| SortedRanges sr = new SortedRanges(); |
| sr.add(new Range(2,9)); |
| assertEquals(9, sr.getIndicesCount()); |
| |
| sr.add(new SortedRanges.Range(3,5)); |
| assertEquals(9, sr.getIndicesCount()); |
| |
| sr.add(new SortedRanges.Range(7,1)); |
| assertEquals(9, sr.getIndicesCount()); |
| |
| sr.add(new Range(1,12)); |
| assertEquals(12, sr.getIndicesCount()); |
| |
| sr.add(new Range(7,9)); |
| assertEquals(15, sr.getIndicesCount()); |
| |
| sr.add(new Range(31,10)); |
| sr.add(new Range(51,10)); |
| sr.add(new Range(66,10)); |
| assertEquals(45, sr.getIndicesCount()); |
| |
| sr.add(new Range(21,50)); |
| assertEquals(70, sr.getIndicesCount()); |
| |
| LOG.debug(sr); |
| |
| Iterator<Long> it = sr.skipRangeIterator(); |
| int i = 0; |
| assertEquals(i, it.next().longValue()); |
| for(i=16;i<21;i++) { |
| assertEquals(i, it.next().longValue()); |
| } |
| assertEquals(76, it.next().longValue()); |
| assertEquals(77, it.next().longValue()); |
| |
| } |
| |
| public void testRemove() { |
| SortedRanges sr = new SortedRanges(); |
| sr.add(new Range(2,19)); |
| assertEquals(19, sr.getIndicesCount()); |
| |
| sr.remove(new SortedRanges.Range(15,8)); |
| assertEquals(13, sr.getIndicesCount()); |
| |
| sr.remove(new SortedRanges.Range(6,5)); |
| assertEquals(8, sr.getIndicesCount()); |
| |
| sr.remove(new SortedRanges.Range(8,4)); |
| assertEquals(7, sr.getIndicesCount()); |
| |
| sr.add(new Range(18,5)); |
| assertEquals(12, sr.getIndicesCount()); |
| |
| sr.add(new Range(25,1)); |
| assertEquals(13, sr.getIndicesCount()); |
| |
| sr.remove(new SortedRanges.Range(7,24)); |
| assertEquals(4, sr.getIndicesCount()); |
| |
| sr.remove(new SortedRanges.Range(5,1)); |
| assertEquals(3, sr.getIndicesCount()); |
| |
| LOG.debug(sr); |
| } |
| |
| } |