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 | |
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19 | package org.apache.hadoop.record; |
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20 | |
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21 | import junit.framework.*; |
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22 | |
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23 | /** |
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24 | * A Unit test for Record I/O Buffer class |
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25 | */ |
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26 | public class TestBuffer extends TestCase { |
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27 | |
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28 | public TestBuffer(String testName) { |
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29 | super(testName); |
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30 | } |
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31 | |
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32 | /** |
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33 | * Test of set method, of class org.apache.hadoop.record.Buffer. |
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34 | */ |
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35 | public void testSet() { |
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36 | final byte[] bytes = new byte[10]; |
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37 | final Buffer instance = new Buffer(); |
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38 | |
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39 | instance.set(bytes); |
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40 | |
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41 | assertEquals("set failed", bytes, instance.get()); |
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42 | } |
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43 | |
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44 | /** |
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45 | * Test of copy method, of class org.apache.hadoop.record.Buffer. |
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46 | */ |
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47 | public void testCopy() { |
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48 | final byte[] bytes = new byte[10]; |
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49 | final int offset = 6; |
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50 | final int length = 3; |
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51 | for (int idx = 0; idx < 10; idx ++) { |
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52 | bytes[idx] = (byte) idx; |
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53 | } |
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54 | final Buffer instance = new Buffer(); |
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55 | |
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56 | instance.copy(bytes, offset, length); |
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57 | |
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58 | assertEquals("copy failed", 3, instance.getCapacity()); |
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59 | assertEquals("copy failed", 3, instance.get().length); |
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60 | for (int idx = 0; idx < 3; idx++) { |
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61 | assertEquals("Buffer content corrupted", idx+6, instance.get()[idx]); |
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62 | } |
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63 | } |
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64 | |
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65 | /** |
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66 | * Test of getCount method, of class org.apache.hadoop.record.Buffer. |
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67 | */ |
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68 | public void testGetCount() { |
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69 | final Buffer instance = new Buffer(); |
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70 | |
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71 | final int expResult = 0; |
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72 | final int result = instance.getCount(); |
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73 | assertEquals("getSize failed", expResult, result); |
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74 | } |
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75 | |
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76 | /** |
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77 | * Test of getCapacity method, of class org.apache.hadoop.record.Buffer. |
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78 | */ |
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79 | public void testGetCapacity() { |
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80 | final Buffer instance = new Buffer(); |
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81 | |
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82 | final int expResult = 0; |
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83 | final int result = instance.getCapacity(); |
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84 | assertEquals("getCapacity failed", expResult, result); |
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85 | |
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86 | instance.setCapacity(100); |
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87 | assertEquals("setCapacity failed", 100, instance.getCapacity()); |
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88 | } |
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89 | |
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90 | /** |
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91 | * Test of truncate method, of class org.apache.hadoop.record.Buffer. |
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92 | */ |
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93 | public void testTruncate() { |
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94 | final Buffer instance = new Buffer(); |
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95 | instance.setCapacity(100); |
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96 | assertEquals("setCapacity failed", 100, instance.getCapacity()); |
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97 | |
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98 | instance.truncate(); |
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99 | assertEquals("truncate failed", 0, instance.getCapacity()); |
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100 | } |
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101 | |
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102 | /** |
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103 | * Test of append method, of class org.apache.hadoop.record.Buffer. |
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104 | */ |
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105 | public void testAppend() { |
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106 | final byte[] bytes = new byte[100]; |
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107 | final int offset = 0; |
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108 | final int length = 100; |
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109 | for (int idx = 0; idx < 100; idx++) { |
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110 | bytes[idx] = (byte) (100-idx); |
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111 | } |
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112 | |
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113 | final Buffer instance = new Buffer(); |
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114 | |
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115 | instance.append(bytes, offset, length); |
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116 | |
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117 | assertEquals("Buffer size mismatch", 100, instance.getCount()); |
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118 | |
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119 | for (int idx = 0; idx < 100; idx++) { |
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120 | assertEquals("Buffer contents corrupted", 100-idx, instance.get()[idx]); |
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121 | } |
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122 | |
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123 | } |
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124 | } |
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