1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.tradefed.util; 17 18 import junit.framework.TestCase; 19 20 /** 21 * Unit test suite to verify the behavior of the {@link ByteArrayList} 22 */ 23 public class ByteArrayListTest extends TestCase { 24 private ByteArrayList mList = null; 25 26 @Override 27 public void setUp() throws Exception { 28 super.setUp(); 29 mList = new ByteArrayList(); 30 } 31 32 public void testAdd() { 33 mList.add((byte) 1); 34 mList.add((byte) 2); 35 assertEquals(2, mList.size()); 36 } 37 38 public void testAddAll() { 39 byte[] byteAry = new byte[] {0, 1, 2, 3, 4, 5}; 40 mList.addAll(byteAry); 41 assertEquals(byteAry.length, mList.size()); 42 assertEquals(0, mList.get(0)); 43 assertEquals(5, mList.get(5)); 44 } 45 46 public void testAddAll_append() { 47 byte[] byteAry1 = new byte[] {0, 1, 2}; 48 byte[] byteAry2 = new byte[] {3, 4, 5}; 49 mList.add((byte) 0xa); 50 mList.addAll(byteAry1); 51 mList.add((byte) 0xb); 52 mList.addAll(byteAry2); 53 assertEquals(byteAry1.length + byteAry2.length + 2, mList.size()); 54 assertEquals(0xa, mList.get(0)); 55 assertEquals(0xb, mList.get(1 + byteAry1.length)); 56 assertEquals(5, mList.get(mList.size()-1)); 57 } 58 59 public void testAddAll_limits() { 60 byte[] byteAry1 = new byte[] {0, 1, 2}; 61 byte[] byteAry2 = new byte[] {3, 4, 5}; 62 mList.add((byte) 0xa); 63 mList.addAll(byteAry1, 1, 2); 64 mList.add((byte) 0xb); 65 mList.addAll(byteAry2, 3, 0); 66 assertEquals(1 + 2 + 1 + 0, mList.size()); 67 assertEquals(0xa, mList.get(0)); 68 assertEquals(0xb, mList.get(1 + 2)); 69 assertEquals(1, mList.get(1)); 70 } 71 72 public void testClear() { 73 mList.add((byte) 1); 74 mList.add((byte) 2); 75 assertEquals(2, mList.size()); 76 mList.clear(); 77 assertEquals(0, mList.size()); 78 } 79 80 public void testEnsure() { 81 mList.setSize(0); 82 assertEquals(0, mList.getMaxSize()); 83 mList.ensureCapacity(5); 84 assertTrue(mList.getMaxSize() >= 5); 85 } 86 87 public void testEnsure_afterAdd() { 88 mList.setSize(0); 89 assertEquals(0, mList.getMaxSize()); 90 mList.add((byte) 1); 91 assertTrue(mList.getMaxSize() >= 1); 92 } 93 94 public void testEnsure_oddGrowthFactor() { 95 ByteArrayList list = new ByteArrayList(1, 1.1f); 96 assertEquals(1, list.getMaxSize()); 97 list.ensureCapacity(2); 98 assertTrue(list.getMaxSize() >= 2); 99 } 100 101 /** 102 * Verify the fix for a bug in the implementation which would cause the List to try to allocate 103 * infinity memory :o) 104 */ 105 public void testEnsure_bugfix() { 106 mList.ensureCapacity(931); 107 assertTrue(mList.getMaxSize() >= 931); 108 assertTrue(mList.getMaxSize() <= 931*3); 109 } 110 111 public void testEquals() { 112 ByteArrayList list2 = new ByteArrayList(); 113 mList.add((byte) 1); 114 mList.add((byte) 2); 115 list2.add((byte) 1); 116 list2.add((byte) 2); 117 assertTrue(mList.equals(list2)); 118 assertTrue(list2.equals(mList)); 119 } 120 121 public void testEquals_wrongLength() { 122 ByteArrayList list2 = new ByteArrayList(); 123 mList.add((byte) 1); 124 mList.add((byte) 2); 125 list2.add((byte) 1); 126 assertFalse(mList.equals(list2)); 127 assertFalse(list2.equals(mList)); 128 } 129 130 public void testEquals_mismatch() { 131 ByteArrayList list2 = new ByteArrayList(); 132 mList.add((byte) 1); 133 mList.add((byte) 2); 134 list2.add((byte) 1); 135 list2.add((byte) 17); 136 assertFalse(mList.equals(list2)); 137 assertFalse(list2.equals(mList)); 138 } 139 140 public void testGetContents() { 141 mList.add((byte) 1); 142 mList.add((byte) 2); 143 byte[] val = mList.getContents(); 144 assertEquals(2, val.length); 145 assertEquals(1, val[0]); 146 } 147 148 public void testRetrieve() { 149 mList.add((byte) 1); 150 mList.add((byte) 2); 151 assertEquals(1, mList.get(0)); 152 assertEquals(2, mList.get(1)); 153 try { 154 mList.get(2); 155 fail("IndexOutOfBoundsException not thrown"); 156 } catch (IndexOutOfBoundsException e) { 157 // expected 158 } 159 } 160 161 public void testSet() { 162 mList.add((byte) 1); 163 mList.add((byte) 2); 164 mList.add((byte) 3); 165 166 assertEquals(2, mList.set(1, (byte) 12)); 167 assertEquals(12, mList.get(1)); 168 169 assertEquals(3, mList.set(2, (byte) 13)); 170 assertEquals(13, mList.get(2)); 171 } 172 173 public void testSetSize() { 174 mList.setSize(256); 175 assertEquals(256, mList.getMaxSize()); 176 } 177 178 public void testSetSize_truncate() { 179 mList.setSize(2); 180 mList.add((byte) 1); 181 mList.add((byte) 2); 182 assertEquals(2, mList.getMaxSize()); 183 assertEquals(2, mList.size()); 184 185 mList.setSize(1); 186 assertEquals(1, mList.getMaxSize()); 187 assertEquals(1, mList.size()); 188 assertEquals(1, mList.get(0)); 189 } 190 191 public void testTrimToSize() { 192 mList.add((byte) 1); 193 mList.trimToSize(); 194 assertEquals(1, mList.size()); 195 assertEquals(1, mList.getMaxSize()); 196 } 197 198 public void testLimits_setSize() { 199 try { 200 mList.setSize(-1); 201 fail("IllegalArgumentException not thrown"); 202 } catch (IllegalArgumentException e) { 203 // expected 204 assertTrue(e.getMessage().contains("New size")); 205 assertTrue(e.getMessage().contains("non-negative")); 206 } 207 } 208 209 public void testLimits_ensureCapacity() { 210 try { 211 mList.ensureCapacity(-1); 212 fail("IllegalArgumentException not thrown"); 213 } catch (IllegalArgumentException e) { 214 // expected 215 assertTrue(e.getMessage().contains("Minimum capacity")); 216 assertTrue(e.getMessage().contains("non-negative")); 217 } 218 } 219 220 public void testLimits_get() { 221 try { 222 mList.get(0); 223 fail("IndexOutOfBoundsException not thrown"); 224 } catch (IndexOutOfBoundsException e) { 225 // expected 226 } 227 228 mList.add((byte) 1); 229 try { 230 mList.get(-1); 231 fail("IndexOutOfBoundsException not thrown"); 232 } catch (IndexOutOfBoundsException e) { 233 // expected 234 } 235 } 236 237 public void testLimits_set() { 238 try { 239 mList.set(0, (byte) 1); 240 fail("IndexOutOfBoundsException not thrown"); 241 } catch (IndexOutOfBoundsException e) { 242 // expected 243 } 244 245 mList.add((byte) 1); 246 try { 247 mList.get(-1); 248 fail("IndexOutOfBoundsException not thrown"); 249 } catch (IndexOutOfBoundsException e) { 250 // expected 251 } 252 } 253 254 public void testLimits_constructor() { 255 try { 256 new ByteArrayList(-1); 257 fail("IllegalArgumentException not thrown"); 258 } catch (IllegalArgumentException e) { 259 // expected 260 assertTrue(e.getMessage().contains("New size")); 261 assertTrue(e.getMessage().contains("non-negative")); 262 } 263 264 try { 265 new ByteArrayList(-1, 2.0f); 266 fail("IllegalArgumentException not thrown"); 267 } catch (IllegalArgumentException e) { 268 // expected 269 assertTrue(e.getMessage().contains("New size")); 270 assertTrue(e.getMessage().contains("non-negative")); 271 } 272 273 try { 274 new ByteArrayList(1, 1.0f); 275 fail("IllegalArgumentException not thrown"); 276 } catch (IllegalArgumentException e) { 277 // expected 278 assertTrue(e.getMessage().contains("Growth factor")); 279 assertTrue(e.getMessage().contains("1.1")); 280 } 281 } 282 } 283 284
