[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | package org.apache.hadoop.mapred; |
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| 19 | |
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| 20 | import java.util.Iterator; |
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| 21 | |
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| 22 | import junit.framework.TestCase; |
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| 23 | |
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| 24 | import org.apache.commons.logging.Log; |
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| 25 | import org.apache.commons.logging.LogFactory; |
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| 26 | import org.apache.hadoop.mapred.SortedRanges.Range; |
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| 27 | |
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| 28 | public class TestSortedRanges extends TestCase { |
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| 29 | private static final Log LOG = |
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| 30 | LogFactory.getLog(TestSortedRanges.class); |
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| 31 | |
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| 32 | public void testAdd() { |
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| 33 | SortedRanges sr = new SortedRanges(); |
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| 34 | sr.add(new Range(2,9)); |
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| 35 | assertEquals(9, sr.getIndicesCount()); |
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| 36 | |
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| 37 | sr.add(new SortedRanges.Range(3,5)); |
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| 38 | assertEquals(9, sr.getIndicesCount()); |
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| 39 | |
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| 40 | sr.add(new SortedRanges.Range(7,1)); |
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| 41 | assertEquals(9, sr.getIndicesCount()); |
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| 42 | |
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| 43 | sr.add(new Range(1,12)); |
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| 44 | assertEquals(12, sr.getIndicesCount()); |
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| 45 | |
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| 46 | sr.add(new Range(7,9)); |
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| 47 | assertEquals(15, sr.getIndicesCount()); |
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| 48 | |
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| 49 | sr.add(new Range(31,10)); |
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| 50 | sr.add(new Range(51,10)); |
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| 51 | sr.add(new Range(66,10)); |
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| 52 | assertEquals(45, sr.getIndicesCount()); |
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| 53 | |
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| 54 | sr.add(new Range(21,50)); |
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| 55 | assertEquals(70, sr.getIndicesCount()); |
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| 56 | |
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| 57 | LOG.debug(sr); |
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| 58 | |
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| 59 | Iterator<Long> it = sr.skipRangeIterator(); |
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| 60 | int i = 0; |
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| 61 | assertEquals(i, it.next().longValue()); |
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| 62 | for(i=16;i<21;i++) { |
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| 63 | assertEquals(i, it.next().longValue()); |
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| 64 | } |
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| 65 | assertEquals(76, it.next().longValue()); |
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| 66 | assertEquals(77, it.next().longValue()); |
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| 67 | |
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| 68 | } |
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| 69 | |
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| 70 | public void testRemove() { |
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| 71 | SortedRanges sr = new SortedRanges(); |
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| 72 | sr.add(new Range(2,19)); |
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| 73 | assertEquals(19, sr.getIndicesCount()); |
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| 74 | |
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| 75 | sr.remove(new SortedRanges.Range(15,8)); |
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| 76 | assertEquals(13, sr.getIndicesCount()); |
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| 77 | |
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| 78 | sr.remove(new SortedRanges.Range(6,5)); |
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| 79 | assertEquals(8, sr.getIndicesCount()); |
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| 80 | |
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| 81 | sr.remove(new SortedRanges.Range(8,4)); |
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| 82 | assertEquals(7, sr.getIndicesCount()); |
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| 83 | |
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| 84 | sr.add(new Range(18,5)); |
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| 85 | assertEquals(12, sr.getIndicesCount()); |
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| 86 | |
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| 87 | sr.add(new Range(25,1)); |
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| 88 | assertEquals(13, sr.getIndicesCount()); |
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| 89 | |
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| 90 | sr.remove(new SortedRanges.Range(7,24)); |
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| 91 | assertEquals(4, sr.getIndicesCount()); |
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| 92 | |
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| 93 | sr.remove(new SortedRanges.Range(5,1)); |
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| 94 | assertEquals(3, sr.getIndicesCount()); |
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| 95 | |
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| 96 | LOG.debug(sr); |
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| 97 | } |
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| 98 | |
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| 99 | } |
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