[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 | |
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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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