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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