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| 1 // Protocol Buffers - Google's data interchange format | 1 // Protocol Buffers - Google's data interchange format |
| 2 // Copyright 2008 Google Inc. All rights reserved. | 2 // Copyright 2008 Google Inc. All rights reserved. |
| 3 // https://developers.google.com/protocol-buffers/ | 3 // http://code.google.com/p/protobuf/ |
| 4 // | 4 // |
| 5 // Redistribution and use in source and binary forms, with or without | 5 // Redistribution and use in source and binary forms, with or without |
| 6 // modification, are permitted provided that the following conditions are | 6 // modification, are permitted provided that the following conditions are |
| 7 // met: | 7 // met: |
| 8 // | 8 // |
| 9 // * Redistributions of source code must retain the above copyright | 9 // * Redistributions of source code must retain the above copyright |
| 10 // notice, this list of conditions and the following disclaimer. | 10 // notice, this list of conditions and the following disclaimer. |
| 11 // * Redistributions in binary form must reproduce the above | 11 // * Redistributions in binary form must reproduce the above |
| 12 // copyright notice, this list of conditions and the following disclaimer | 12 // copyright notice, this list of conditions and the following disclaimer |
| 13 // in the documentation and/or other materials provided with the | 13 // in the documentation and/or other materials provided with the |
| 14 // distribution. | 14 // distribution. |
| 15 // * Neither the name of Google Inc. nor the names of its | 15 // * Neither the name of Google Inc. nor the names of its |
| 16 // contributors may be used to endorse or promote products derived from | 16 // contributors may be used to endorse or promote products derived from |
| 17 // this software without specific prior written permission. | 17 // this software without specific prior written permission. |
| 18 // | 18 // |
| 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | 30 |
| 31 package com.google.protobuf; | 31 package com.google.protobuf.test; |
| 32 | 32 import com.google.protobuf.*; |
| 33 import static java.util.Arrays.asList; | |
| 34 | 33 |
| 35 import junit.framework.TestCase; | 34 import junit.framework.TestCase; |
| 36 | 35 |
| 37 import java.util.ArrayList; | 36 import java.util.ArrayList; |
| 38 import java.util.ConcurrentModificationException; | |
| 39 import java.util.Iterator; | |
| 40 import java.util.List; | 37 import java.util.List; |
| 41 | 38 |
| 42 /** | 39 /** |
| 43 * Tests for {@link LazyStringArrayList}. | 40 * Tests for {@link LazyStringArrayList}. |
| 44 * | 41 * |
| 45 * @author jonp@google.com (Jon Perlow) | 42 * @author jonp@google.com (Jon Perlow) |
| 46 */ | 43 */ |
| 47 public class LazyStringArrayListTest extends TestCase { | 44 public class LazyStringArrayListTest extends TestCase { |
| 48 | 45 |
| 49 private static String STRING_A = "A"; | 46 private static String STRING_A = "A"; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 64 assertSame(STRING_A, list.get(0)); | 61 assertSame(STRING_A, list.get(0)); |
| 65 assertSame(STRING_B, list.get(1)); | 62 assertSame(STRING_B, list.get(1)); |
| 66 assertSame(STRING_C, list.get(2)); | 63 assertSame(STRING_C, list.get(2)); |
| 67 | 64 |
| 68 list.set(1, STRING_C); | 65 list.set(1, STRING_C); |
| 69 assertSame(STRING_C, list.get(1)); | 66 assertSame(STRING_C, list.get(1)); |
| 70 | 67 |
| 71 list.remove(1); | 68 list.remove(1); |
| 72 assertSame(STRING_A, list.get(0)); | 69 assertSame(STRING_A, list.get(0)); |
| 73 assertSame(STRING_C, list.get(1)); | 70 assertSame(STRING_C, list.get(1)); |
| 74 | |
| 75 List<ByteString> byteStringList = list.asByteStringList(); | |
| 76 assertEquals(BYTE_STRING_A, byteStringList.get(0)); | |
| 77 assertEquals(BYTE_STRING_C, byteStringList.get(1)); | |
| 78 | |
| 79 // Underlying list should be transformed. | |
| 80 assertSame(byteStringList.get(0), list.getByteString(0)); | |
| 81 assertSame(byteStringList.get(1), list.getByteString(1)); | |
| 82 } | 71 } |
| 83 | 72 |
| 84 public void testJustByteString() { | 73 public void testJustByteString() { |
| 85 LazyStringArrayList list = new LazyStringArrayList(); | 74 LazyStringArrayList list = new LazyStringArrayList(); |
| 86 list.add(BYTE_STRING_A); | 75 list.add(BYTE_STRING_A); |
| 87 list.add(BYTE_STRING_B); | 76 list.add(BYTE_STRING_B); |
| 88 list.add(BYTE_STRING_C); | 77 list.add(BYTE_STRING_C); |
| 89 | 78 |
| 90 assertEquals(3, list.size()); | 79 assertEquals(3, list.size()); |
| 91 assertSame(BYTE_STRING_A, list.getByteString(0)); | 80 assertSame(BYTE_STRING_A, list.getByteString(0)); |
| 92 assertSame(BYTE_STRING_B, list.getByteString(1)); | 81 assertSame(BYTE_STRING_B, list.getByteString(1)); |
| 93 assertSame(BYTE_STRING_C, list.getByteString(2)); | 82 assertSame(BYTE_STRING_C, list.getByteString(2)); |
| 94 | 83 |
| 95 list.remove(1); | 84 list.remove(1); |
| 96 assertSame(BYTE_STRING_A, list.getByteString(0)); | 85 assertSame(BYTE_STRING_A, list.getByteString(0)); |
| 97 assertSame(BYTE_STRING_C, list.getByteString(1)); | 86 assertSame(BYTE_STRING_C, list.getByteString(1)); |
| 98 | |
| 99 List<ByteString> byteStringList = list.asByteStringList(); | |
| 100 assertSame(BYTE_STRING_A, byteStringList.get(0)); | |
| 101 assertSame(BYTE_STRING_C, byteStringList.get(1)); | |
| 102 } | 87 } |
| 103 | 88 |
| 104 public void testConversionBackAndForth() { | 89 public void testConversionBackAndForth() { |
| 105 LazyStringArrayList list = new LazyStringArrayList(); | 90 LazyStringArrayList list = new LazyStringArrayList(); |
| 106 list.add(STRING_A); | 91 list.add(STRING_A); |
| 107 list.add(BYTE_STRING_B); | 92 list.add(BYTE_STRING_B); |
| 108 list.add(BYTE_STRING_C); | 93 list.add(BYTE_STRING_C); |
| 109 | 94 |
| 110 // String a should be the same because it was originally a string | 95 // String a should be the same because it was originally a string |
| 111 assertSame(STRING_A, list.get(0)); | 96 assertSame(STRING_A, list.get(0)); |
| (...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 168 list1.add(BYTE_STRING_C); | 153 list1.add(BYTE_STRING_C); |
| 169 | 154 |
| 170 LazyStringArrayList list2 = new LazyStringArrayList(); | 155 LazyStringArrayList list2 = new LazyStringArrayList(); |
| 171 list2.addAll(list1); | 156 list2.addAll(list1); |
| 172 | 157 |
| 173 assertEquals(3, list2.size()); | 158 assertEquals(3, list2.size()); |
| 174 assertSame(STRING_A, list2.get(0)); | 159 assertSame(STRING_A, list2.get(0)); |
| 175 assertSame(BYTE_STRING_B, list2.getByteString(1)); | 160 assertSame(BYTE_STRING_B, list2.getByteString(1)); |
| 176 assertSame(BYTE_STRING_C, list2.getByteString(2)); | 161 assertSame(BYTE_STRING_C, list2.getByteString(2)); |
| 177 } | 162 } |
| 178 | |
| 179 public void testModificationWithIteration() { | |
| 180 LazyStringArrayList list = new LazyStringArrayList(); | |
| 181 list.addAll(asList(STRING_A, STRING_B, STRING_C)); | |
| 182 Iterator<String> iterator = list.iterator(); | |
| 183 assertEquals(3, list.size()); | |
| 184 assertEquals(STRING_A, list.get(0)); | |
| 185 assertEquals(STRING_A, iterator.next()); | |
| 186 | |
| 187 // Does not structurally modify. | |
| 188 iterator = list.iterator(); | |
| 189 list.set(0, STRING_B); | |
| 190 iterator.next(); | |
| 191 | |
| 192 list.remove(0); | |
| 193 try { | |
| 194 iterator.next(); | |
| 195 fail(); | |
| 196 } catch (ConcurrentModificationException e) { | |
| 197 // expected | |
| 198 } | |
| 199 | |
| 200 iterator = list.iterator(); | |
| 201 list.add(0, STRING_C); | |
| 202 try { | |
| 203 iterator.next(); | |
| 204 fail(); | |
| 205 } catch (ConcurrentModificationException e) { | |
| 206 // expected | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 public void testMakeImmutable() { | |
| 211 LazyStringArrayList list = new LazyStringArrayList(); | |
| 212 list.add(STRING_A); | |
| 213 list.add(STRING_B); | |
| 214 list.add(STRING_C); | |
| 215 list.makeImmutable(); | |
| 216 assertGenericListImmutable(list, STRING_A); | |
| 217 | |
| 218 // LazyStringArrayList has extra methods not covered in the generic | |
| 219 // assertion. | |
| 220 | |
| 221 try { | |
| 222 list.add(BYTE_STRING_A.toByteArray()); | |
| 223 fail(); | |
| 224 } catch (UnsupportedOperationException e) { | |
| 225 // expected | |
| 226 } | |
| 227 | |
| 228 try { | |
| 229 list.add(BYTE_STRING_A); | |
| 230 fail(); | |
| 231 } catch (UnsupportedOperationException e) { | |
| 232 // expected | |
| 233 } | |
| 234 | |
| 235 try { | |
| 236 list.addAllByteArray(asList(BYTE_STRING_A.toByteArray())); | |
| 237 fail(); | |
| 238 } catch (UnsupportedOperationException e) { | |
| 239 // expected | |
| 240 } | |
| 241 | |
| 242 try { | |
| 243 list.addAllByteString(asList(BYTE_STRING_A)); | |
| 244 fail(); | |
| 245 } catch (UnsupportedOperationException e) { | |
| 246 // expected | |
| 247 } | |
| 248 | |
| 249 try { | |
| 250 list.mergeFrom(new LazyStringArrayList()); | |
| 251 fail(); | |
| 252 } catch (UnsupportedOperationException e) { | |
| 253 // expected | |
| 254 } | |
| 255 | |
| 256 try { | |
| 257 list.set(0, BYTE_STRING_A.toByteArray()); | |
| 258 fail(); | |
| 259 } catch (UnsupportedOperationException e) { | |
| 260 // expected | |
| 261 } | |
| 262 | |
| 263 try { | |
| 264 list.set(0, BYTE_STRING_A); | |
| 265 fail(); | |
| 266 } catch (UnsupportedOperationException e) { | |
| 267 // expected | |
| 268 } | |
| 269 } | |
| 270 | |
| 271 public void testImmutabilityPropagation() { | |
| 272 LazyStringArrayList list = new LazyStringArrayList(); | |
| 273 list.add(STRING_A); | |
| 274 list.makeImmutable(); | |
| 275 | |
| 276 assertGenericListImmutable(list.asByteStringList(), BYTE_STRING_A); | |
| 277 | |
| 278 // Arrays use reference equality so need to retrieve the underlying value | |
| 279 // to properly test deep immutability. | |
| 280 List<byte[]> byteArrayList = list.asByteArrayList(); | |
| 281 assertGenericListImmutable(byteArrayList, byteArrayList.get(0)); | |
| 282 } | |
| 283 | |
| 284 private static <T> void assertGenericListImmutable(List<T> list, T value) { | |
| 285 try { | |
| 286 list.add(value); | |
| 287 fail(); | |
| 288 } catch (UnsupportedOperationException e) { | |
| 289 // expected | |
| 290 } | |
| 291 | |
| 292 try { | |
| 293 list.add(0, value); | |
| 294 fail(); | |
| 295 } catch (UnsupportedOperationException e) { | |
| 296 // expected | |
| 297 } | |
| 298 | |
| 299 try { | |
| 300 list.addAll(asList(value)); | |
| 301 fail(); | |
| 302 } catch (UnsupportedOperationException e) { | |
| 303 // expected | |
| 304 } | |
| 305 | |
| 306 try { | |
| 307 list.addAll(0, asList(value)); | |
| 308 fail(); | |
| 309 } catch (UnsupportedOperationException e) { | |
| 310 // expected | |
| 311 } | |
| 312 | |
| 313 try { | |
| 314 list.clear(); | |
| 315 fail(); | |
| 316 } catch (UnsupportedOperationException e) { | |
| 317 // expected | |
| 318 } | |
| 319 | |
| 320 try { | |
| 321 list.remove(0); | |
| 322 fail(); | |
| 323 } catch (UnsupportedOperationException e) { | |
| 324 // expected | |
| 325 } | |
| 326 | |
| 327 try { | |
| 328 list.remove(value); | |
| 329 fail(); | |
| 330 } catch (UnsupportedOperationException e) { | |
| 331 // expected | |
| 332 } | |
| 333 | |
| 334 try { | |
| 335 list.removeAll(asList(value)); | |
| 336 fail(); | |
| 337 } catch (UnsupportedOperationException e) { | |
| 338 // expected | |
| 339 } | |
| 340 | |
| 341 try { | |
| 342 list.retainAll(asList()); | |
| 343 fail(); | |
| 344 } catch (UnsupportedOperationException e) { | |
| 345 // expected | |
| 346 } | |
| 347 | |
| 348 try { | |
| 349 list.retainAll(asList()); | |
| 350 fail(); | |
| 351 } catch (UnsupportedOperationException e) { | |
| 352 // expected | |
| 353 } | |
| 354 | |
| 355 try { | |
| 356 list.set(0, value); | |
| 357 fail(); | |
| 358 } catch (UnsupportedOperationException e) { | |
| 359 // expected | |
| 360 } | |
| 361 } | |
| 362 } | 163 } |
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