Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Written by Doug Lea with assistance from members of JCP JSR-166 |
| 3 | * Expert Group and released to the public domain, as explained at |
| 4 | * http://creativecommons.org/publicdomain/zero/1.0/ |
| 5 | * Other contributors include Andrew Wright, Jeffrey Hayes, |
| 6 | * Pat Fisher, Mike Judd. |
| 7 | */ |
| 8 | |
| 9 | package jsr166; |
| 10 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 11 | import java.util.ArrayList; |
| 12 | import java.util.Arrays; |
| 13 | import java.util.Collection; |
| 14 | import java.util.Collections; |
| 15 | import java.util.Iterator; |
| 16 | import java.util.LinkedList; |
| 17 | import java.util.List; |
| 18 | import java.util.ListIterator; |
| 19 | import java.util.NoSuchElementException; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 20 | import java.util.concurrent.CopyOnWriteArrayList; |
| 21 | |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 22 | import junit.framework.Test; |
| 23 | import junit.framework.TestSuite; |
| 24 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 25 | public class CopyOnWriteArrayListTest extends JSR166TestCase { |
| 26 | |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 27 | // android-note: Removed because the CTS runner does a bad job of |
| 28 | // retrying tests that have suite() declarations. |
| 29 | // |
| 30 | // public static void main(String[] args) { |
| 31 | // main(suite(), args); |
| 32 | // } |
| 33 | // public static Test suite() { |
| 34 | // return new TestSuite(...); |
| 35 | // } |
| 36 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 37 | static CopyOnWriteArrayList<Integer> populatedArray(int n) { |
| 38 | CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>(); |
| 39 | assertTrue(a.isEmpty()); |
| 40 | for (int i = 0; i < n; i++) |
| 41 | a.add(i); |
| 42 | assertFalse(a.isEmpty()); |
| 43 | assertEquals(n, a.size()); |
| 44 | return a; |
| 45 | } |
| 46 | |
| 47 | static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) { |
| 48 | CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>(); |
| 49 | assertTrue(a.isEmpty()); |
| 50 | for (int i = 0; i < elements.length; i++) |
| 51 | a.add(elements[i]); |
| 52 | assertFalse(a.isEmpty()); |
| 53 | assertEquals(elements.length, a.size()); |
| 54 | return a; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * a new list is empty |
| 59 | */ |
| 60 | public void testConstructor() { |
| 61 | CopyOnWriteArrayList a = new CopyOnWriteArrayList(); |
| 62 | assertTrue(a.isEmpty()); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * new list contains all elements of initializing array |
| 67 | */ |
| 68 | public void testConstructor2() { |
| 69 | Integer[] ints = new Integer[SIZE]; |
| 70 | for (int i = 0; i < SIZE-1; ++i) |
| 71 | ints[i] = new Integer(i); |
| 72 | CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints); |
| 73 | for (int i = 0; i < SIZE; ++i) |
| 74 | assertEquals(ints[i], a.get(i)); |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * new list contains all elements of initializing collection |
| 79 | */ |
| 80 | public void testConstructor3() { |
| 81 | Integer[] ints = new Integer[SIZE]; |
| 82 | for (int i = 0; i < SIZE-1; ++i) |
| 83 | ints[i] = new Integer(i); |
| 84 | CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints)); |
| 85 | for (int i = 0; i < SIZE; ++i) |
| 86 | assertEquals(ints[i], a.get(i)); |
| 87 | } |
| 88 | |
| 89 | /** |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 90 | * addAll adds each element from the given collection, including duplicates |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 91 | */ |
| 92 | public void testAddAll() { |
| 93 | CopyOnWriteArrayList full = populatedArray(3); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 94 | assertTrue(full.addAll(Arrays.asList(three, four, five))); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 95 | assertEquals(6, full.size()); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 96 | assertTrue(full.addAll(Arrays.asList(three, four, five))); |
| 97 | assertEquals(9, full.size()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | /** |
| 101 | * addAllAbsent adds each element from the given collection that did not |
| 102 | * already exist in the List |
| 103 | */ |
| 104 | public void testAddAllAbsent() { |
| 105 | CopyOnWriteArrayList full = populatedArray(3); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 106 | // "one" is duplicate and will not be added |
| 107 | assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one))); |
| 108 | assertEquals(5, full.size()); |
| 109 | assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one))); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 110 | assertEquals(5, full.size()); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * addIfAbsent will not add the element if it already exists in the list |
| 115 | */ |
| 116 | public void testAddIfAbsent() { |
| 117 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 118 | full.addIfAbsent(one); |
| 119 | assertEquals(SIZE, full.size()); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * addIfAbsent adds the element when it does not exist in the list |
| 124 | */ |
| 125 | public void testAddIfAbsent2() { |
| 126 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 127 | full.addIfAbsent(three); |
| 128 | assertTrue(full.contains(three)); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * clear removes all elements from the list |
| 133 | */ |
| 134 | public void testClear() { |
| 135 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 136 | full.clear(); |
| 137 | assertEquals(0, full.size()); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Cloned list is equal |
| 142 | */ |
| 143 | public void testClone() { |
| 144 | CopyOnWriteArrayList l1 = populatedArray(SIZE); |
| 145 | CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone()); |
| 146 | assertEquals(l1, l2); |
| 147 | l1.clear(); |
| 148 | assertFalse(l1.equals(l2)); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * contains is true for added elements |
| 153 | */ |
| 154 | public void testContains() { |
| 155 | CopyOnWriteArrayList full = populatedArray(3); |
| 156 | assertTrue(full.contains(one)); |
| 157 | assertFalse(full.contains(five)); |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * adding at an index places it in the indicated index |
| 162 | */ |
| 163 | public void testAddIndex() { |
| 164 | CopyOnWriteArrayList full = populatedArray(3); |
| 165 | full.add(0, m1); |
| 166 | assertEquals(4, full.size()); |
| 167 | assertEquals(m1, full.get(0)); |
| 168 | assertEquals(zero, full.get(1)); |
| 169 | |
| 170 | full.add(2, m2); |
| 171 | assertEquals(5, full.size()); |
| 172 | assertEquals(m2, full.get(2)); |
| 173 | assertEquals(two, full.get(4)); |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * lists with same elements are equal and have same hashCode |
| 178 | */ |
| 179 | public void testEquals() { |
| 180 | CopyOnWriteArrayList a = populatedArray(3); |
| 181 | CopyOnWriteArrayList b = populatedArray(3); |
| 182 | assertTrue(a.equals(b)); |
| 183 | assertTrue(b.equals(a)); |
| 184 | assertEquals(a.hashCode(), b.hashCode()); |
| 185 | a.add(m1); |
| 186 | assertFalse(a.equals(b)); |
| 187 | assertFalse(b.equals(a)); |
| 188 | b.add(m1); |
| 189 | assertTrue(a.equals(b)); |
| 190 | assertTrue(b.equals(a)); |
| 191 | assertEquals(a.hashCode(), b.hashCode()); |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * containsAll returns true for collection with subset of elements |
| 196 | */ |
| 197 | public void testContainsAll() { |
| 198 | CopyOnWriteArrayList full = populatedArray(3); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 199 | assertTrue(full.containsAll(Arrays.asList())); |
| 200 | assertTrue(full.containsAll(Arrays.asList(one))); |
| 201 | assertTrue(full.containsAll(Arrays.asList(one, two))); |
| 202 | assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
| 203 | assertFalse(full.containsAll(Arrays.asList(six))); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | /** |
| 207 | * get returns the value at the given index |
| 208 | */ |
| 209 | public void testGet() { |
| 210 | CopyOnWriteArrayList full = populatedArray(3); |
| 211 | assertEquals(0, full.get(0)); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * indexOf gives the index for the given object |
| 216 | */ |
| 217 | public void testIndexOf() { |
| 218 | CopyOnWriteArrayList full = populatedArray(3); |
| 219 | assertEquals(1, full.indexOf(one)); |
| 220 | assertEquals(-1, full.indexOf("puppies")); |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * indexOf gives the index based on the given index |
| 225 | * at which to start searching |
| 226 | */ |
| 227 | public void testIndexOf2() { |
| 228 | CopyOnWriteArrayList full = populatedArray(3); |
| 229 | assertEquals(1, full.indexOf(one, 0)); |
| 230 | assertEquals(-1, full.indexOf(one, 2)); |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * isEmpty returns true when empty, else false |
| 235 | */ |
| 236 | public void testIsEmpty() { |
| 237 | CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
| 238 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 239 | assertTrue(empty.isEmpty()); |
| 240 | assertFalse(full.isEmpty()); |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * iterator() returns an iterator containing the elements of the |
| 245 | * list in insertion order |
| 246 | */ |
| 247 | public void testIterator() { |
| 248 | Collection empty = new CopyOnWriteArrayList(); |
| 249 | assertFalse(empty.iterator().hasNext()); |
| 250 | try { |
| 251 | empty.iterator().next(); |
| 252 | shouldThrow(); |
| 253 | } catch (NoSuchElementException success) {} |
| 254 | |
| 255 | Integer[] elements = new Integer[SIZE]; |
| 256 | for (int i = 0; i < SIZE; i++) |
| 257 | elements[i] = i; |
| 258 | Collections.shuffle(Arrays.asList(elements)); |
| 259 | Collection<Integer> full = populatedArray(elements); |
| 260 | |
| 261 | Iterator it = full.iterator(); |
| 262 | for (int j = 0; j < SIZE; j++) { |
| 263 | assertTrue(it.hasNext()); |
| 264 | assertEquals(elements[j], it.next()); |
| 265 | } |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 266 | assertIteratorExhausted(it); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * iterator of empty collection has no elements |
| 271 | */ |
| 272 | public void testEmptyIterator() { |
| 273 | Collection c = new CopyOnWriteArrayList(); |
| 274 | assertIteratorExhausted(c.iterator()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | /** |
| 278 | * iterator.remove throws UnsupportedOperationException |
| 279 | */ |
| 280 | public void testIteratorRemove() { |
| 281 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 282 | Iterator it = full.iterator(); |
| 283 | it.next(); |
| 284 | try { |
| 285 | it.remove(); |
| 286 | shouldThrow(); |
| 287 | } catch (UnsupportedOperationException success) {} |
| 288 | } |
| 289 | |
| 290 | /** |
| 291 | * toString contains toString of elements |
| 292 | */ |
| 293 | public void testToString() { |
| 294 | assertEquals("[]", new CopyOnWriteArrayList().toString()); |
| 295 | CopyOnWriteArrayList full = populatedArray(3); |
| 296 | String s = full.toString(); |
| 297 | for (int i = 0; i < 3; ++i) |
| 298 | assertTrue(s.contains(String.valueOf(i))); |
| 299 | assertEquals(new ArrayList(full).toString(), |
| 300 | full.toString()); |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * lastIndexOf returns the index for the given object |
| 305 | */ |
| 306 | public void testLastIndexOf1() { |
| 307 | CopyOnWriteArrayList full = populatedArray(3); |
| 308 | full.add(one); |
| 309 | full.add(three); |
| 310 | assertEquals(3, full.lastIndexOf(one)); |
| 311 | assertEquals(-1, full.lastIndexOf(six)); |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * lastIndexOf returns the index from the given starting point |
| 316 | */ |
| 317 | public void testLastIndexOf2() { |
| 318 | CopyOnWriteArrayList full = populatedArray(3); |
| 319 | full.add(one); |
| 320 | full.add(three); |
| 321 | assertEquals(3, full.lastIndexOf(one, 4)); |
| 322 | assertEquals(-1, full.lastIndexOf(three, 3)); |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * listIterator traverses all elements |
| 327 | */ |
| 328 | public void testListIterator1() { |
| 329 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 330 | ListIterator i = full.listIterator(); |
| 331 | int j; |
| 332 | for (j = 0; i.hasNext(); j++) |
| 333 | assertEquals(j, i.next()); |
| 334 | assertEquals(SIZE, j); |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * listIterator only returns those elements after the given index |
| 339 | */ |
| 340 | public void testListIterator2() { |
| 341 | CopyOnWriteArrayList full = populatedArray(3); |
| 342 | ListIterator i = full.listIterator(1); |
| 343 | int j; |
| 344 | for (j = 0; i.hasNext(); j++) |
| 345 | assertEquals(j+1, i.next()); |
| 346 | assertEquals(2, j); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * remove(int) removes and returns the object at the given index |
| 351 | */ |
| 352 | public void testRemove_int() { |
| 353 | int SIZE = 3; |
| 354 | for (int i = 0; i < SIZE; i++) { |
| 355 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 356 | assertEquals(i, full.remove(i)); |
| 357 | assertEquals(SIZE - 1, full.size()); |
| 358 | assertFalse(full.contains(new Integer(i))); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * remove(Object) removes the object if found and returns true |
| 364 | */ |
| 365 | public void testRemove_Object() { |
| 366 | int SIZE = 3; |
| 367 | for (int i = 0; i < SIZE; i++) { |
| 368 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 369 | assertFalse(full.remove(new Integer(-42))); |
| 370 | assertTrue(full.remove(new Integer(i))); |
| 371 | assertEquals(SIZE - 1, full.size()); |
| 372 | assertFalse(full.contains(new Integer(i))); |
| 373 | } |
| 374 | CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6)); |
| 375 | assertTrue(x.remove(new Integer(6))); |
| 376 | assertEquals(x, Arrays.asList(4, 5)); |
| 377 | assertTrue(x.remove(new Integer(4))); |
| 378 | assertEquals(x, Arrays.asList(5)); |
| 379 | assertTrue(x.remove(new Integer(5))); |
| 380 | assertEquals(x, Arrays.asList()); |
| 381 | assertFalse(x.remove(new Integer(5))); |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * removeAll removes all elements from the given collection |
| 386 | */ |
| 387 | public void testRemoveAll() { |
| 388 | CopyOnWriteArrayList full = populatedArray(3); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 389 | assertTrue(full.removeAll(Arrays.asList(one, two))); |
| 390 | assertEquals(1, full.size()); |
| 391 | assertFalse(full.removeAll(Arrays.asList(one, two))); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 392 | assertEquals(1, full.size()); |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * set changes the element at the given index |
| 397 | */ |
| 398 | public void testSet() { |
| 399 | CopyOnWriteArrayList full = populatedArray(3); |
| 400 | assertEquals(2, full.set(2, four)); |
| 401 | assertEquals(4, full.get(2)); |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * size returns the number of elements |
| 406 | */ |
| 407 | public void testSize() { |
| 408 | CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
| 409 | CopyOnWriteArrayList full = populatedArray(SIZE); |
| 410 | assertEquals(SIZE, full.size()); |
| 411 | assertEquals(0, empty.size()); |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * toArray() returns an Object array containing all elements from |
| 416 | * the list in insertion order |
| 417 | */ |
| 418 | public void testToArray() { |
| 419 | Object[] a = new CopyOnWriteArrayList().toArray(); |
| 420 | assertTrue(Arrays.equals(new Object[0], a)); |
| 421 | assertSame(Object[].class, a.getClass()); |
| 422 | |
| 423 | Integer[] elements = new Integer[SIZE]; |
| 424 | for (int i = 0; i < SIZE; i++) |
| 425 | elements[i] = i; |
| 426 | Collections.shuffle(Arrays.asList(elements)); |
| 427 | Collection<Integer> full = populatedArray(elements); |
| 428 | |
| 429 | assertTrue(Arrays.equals(elements, full.toArray())); |
| 430 | assertSame(Object[].class, full.toArray().getClass()); |
| 431 | } |
| 432 | |
| 433 | /** |
| 434 | * toArray(Integer array) returns an Integer array containing all |
| 435 | * elements from the list in insertion order |
| 436 | */ |
| 437 | public void testToArray2() { |
| 438 | Collection empty = new CopyOnWriteArrayList(); |
| 439 | Integer[] a; |
| 440 | |
| 441 | a = new Integer[0]; |
| 442 | assertSame(a, empty.toArray(a)); |
| 443 | |
| 444 | a = new Integer[SIZE/2]; |
| 445 | Arrays.fill(a, 42); |
| 446 | assertSame(a, empty.toArray(a)); |
| 447 | assertNull(a[0]); |
| 448 | for (int i = 1; i < a.length; i++) |
| 449 | assertEquals(42, (int) a[i]); |
| 450 | |
| 451 | Integer[] elements = new Integer[SIZE]; |
| 452 | for (int i = 0; i < SIZE; i++) |
| 453 | elements[i] = i; |
| 454 | Collections.shuffle(Arrays.asList(elements)); |
| 455 | Collection<Integer> full = populatedArray(elements); |
| 456 | |
| 457 | Arrays.fill(a, 42); |
| 458 | assertTrue(Arrays.equals(elements, full.toArray(a))); |
| 459 | for (int i = 0; i < a.length; i++) |
| 460 | assertEquals(42, (int) a[i]); |
| 461 | assertSame(Integer[].class, full.toArray(a).getClass()); |
| 462 | |
| 463 | a = new Integer[SIZE]; |
| 464 | Arrays.fill(a, 42); |
| 465 | assertSame(a, full.toArray(a)); |
| 466 | assertTrue(Arrays.equals(elements, a)); |
| 467 | |
| 468 | a = new Integer[2*SIZE]; |
| 469 | Arrays.fill(a, 42); |
| 470 | assertSame(a, full.toArray(a)); |
| 471 | assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
| 472 | assertNull(a[SIZE]); |
| 473 | for (int i = SIZE + 1; i < a.length; i++) |
| 474 | assertEquals(42, (int) a[i]); |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * sublists contains elements at indexes offset from their base |
| 479 | */ |
| 480 | public void testSubList() { |
| 481 | CopyOnWriteArrayList a = populatedArray(10); |
| 482 | assertTrue(a.subList(1,1).isEmpty()); |
| 483 | for (int j = 0; j < 9; ++j) { |
| 484 | for (int i = j ; i < 10; ++i) { |
| 485 | List b = a.subList(j,i); |
| 486 | for (int k = j; k < i; ++k) { |
| 487 | assertEquals(new Integer(k), b.get(k-j)); |
| 488 | } |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | List s = a.subList(2, 5); |
| 493 | assertEquals(3, s.size()); |
| 494 | s.set(2, m1); |
| 495 | assertEquals(a.get(4), m1); |
| 496 | s.clear(); |
| 497 | assertEquals(7, a.size()); |
| 498 | } |
| 499 | |
| 500 | // Exception tests |
| 501 | |
| 502 | /** |
| 503 | * toArray throws an ArrayStoreException when the given array |
| 504 | * can not store the objects inside the list |
| 505 | */ |
| 506 | public void testToArray_ArrayStoreException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 507 | CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
| 508 | c.add("zfasdfsdf"); |
| 509 | c.add("asdadasd"); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 510 | try { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 511 | c.toArray(new Long[5]); |
| 512 | shouldThrow(); |
| 513 | } catch (ArrayStoreException success) {} |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * get throws an IndexOutOfBoundsException on a negative index |
| 518 | */ |
| 519 | public void testGet1_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 520 | CopyOnWriteArrayList c = populatedArray(5); |
| 521 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 522 | for (List list : lists) { |
| 523 | try { |
| 524 | list.get(-1); |
| 525 | shouldThrow(); |
| 526 | } catch (IndexOutOfBoundsException success) {} |
| 527 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 528 | } |
| 529 | |
| 530 | /** |
| 531 | * get throws an IndexOutOfBoundsException on a too high index |
| 532 | */ |
| 533 | public void testGet2_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 534 | CopyOnWriteArrayList c = populatedArray(5); |
| 535 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 536 | for (List list : lists) { |
| 537 | try { |
| 538 | list.get(list.size()); |
| 539 | shouldThrow(); |
| 540 | } catch (IndexOutOfBoundsException success) {} |
| 541 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | /** |
| 545 | * set throws an IndexOutOfBoundsException on a negative index |
| 546 | */ |
| 547 | public void testSet1_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 548 | CopyOnWriteArrayList c = populatedArray(5); |
| 549 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 550 | for (List list : lists) { |
| 551 | try { |
| 552 | list.set(-1, "qwerty"); |
| 553 | shouldThrow(); |
| 554 | } catch (IndexOutOfBoundsException success) {} |
| 555 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | /** |
| 559 | * set throws an IndexOutOfBoundsException on a too high index |
| 560 | */ |
| 561 | public void testSet2() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 562 | CopyOnWriteArrayList c = populatedArray(5); |
| 563 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 564 | for (List list : lists) { |
| 565 | try { |
| 566 | list.set(list.size(), "qwerty"); |
| 567 | shouldThrow(); |
| 568 | } catch (IndexOutOfBoundsException success) {} |
| 569 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | /** |
| 573 | * add throws an IndexOutOfBoundsException on a negative index |
| 574 | */ |
| 575 | public void testAdd1_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 576 | CopyOnWriteArrayList c = populatedArray(5); |
| 577 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 578 | for (List list : lists) { |
| 579 | try { |
| 580 | list.add(-1, "qwerty"); |
| 581 | shouldThrow(); |
| 582 | } catch (IndexOutOfBoundsException success) {} |
| 583 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | /** |
| 587 | * add throws an IndexOutOfBoundsException on a too high index |
| 588 | */ |
| 589 | public void testAdd2_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 590 | CopyOnWriteArrayList c = populatedArray(5); |
| 591 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 592 | for (List list : lists) { |
| 593 | try { |
| 594 | list.add(list.size() + 1, "qwerty"); |
| 595 | shouldThrow(); |
| 596 | } catch (IndexOutOfBoundsException success) {} |
| 597 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | /** |
| 601 | * remove throws an IndexOutOfBoundsException on a negative index |
| 602 | */ |
| 603 | public void testRemove1_IndexOutOfBounds() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 604 | CopyOnWriteArrayList c = populatedArray(5); |
| 605 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 606 | for (List list : lists) { |
| 607 | try { |
| 608 | list.remove(-1); |
| 609 | shouldThrow(); |
| 610 | } catch (IndexOutOfBoundsException success) {} |
| 611 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 612 | } |
| 613 | |
| 614 | /** |
| 615 | * remove throws an IndexOutOfBoundsException on a too high index |
| 616 | */ |
| 617 | public void testRemove2_IndexOutOfBounds() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 618 | CopyOnWriteArrayList c = populatedArray(5); |
| 619 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 620 | for (List list : lists) { |
| 621 | try { |
| 622 | list.remove(list.size()); |
| 623 | shouldThrow(); |
| 624 | } catch (IndexOutOfBoundsException success) {} |
| 625 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | /** |
| 629 | * addAll throws an IndexOutOfBoundsException on a negative index |
| 630 | */ |
| 631 | public void testAddAll1_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 632 | CopyOnWriteArrayList c = populatedArray(5); |
| 633 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 634 | for (List list : lists) { |
| 635 | try { |
| 636 | list.addAll(-1, new LinkedList()); |
| 637 | shouldThrow(); |
| 638 | } catch (IndexOutOfBoundsException success) {} |
| 639 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 640 | } |
| 641 | |
| 642 | /** |
| 643 | * addAll throws an IndexOutOfBoundsException on a too high index |
| 644 | */ |
| 645 | public void testAddAll2_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 646 | CopyOnWriteArrayList c = populatedArray(5); |
| 647 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 648 | for (List list : lists) { |
| 649 | try { |
| 650 | list.addAll(list.size() + 1, new LinkedList()); |
| 651 | shouldThrow(); |
| 652 | } catch (IndexOutOfBoundsException success) {} |
| 653 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | /** |
| 657 | * listIterator throws an IndexOutOfBoundsException on a negative index |
| 658 | */ |
| 659 | public void testListIterator1_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 660 | CopyOnWriteArrayList c = populatedArray(5); |
| 661 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 662 | for (List list : lists) { |
| 663 | try { |
| 664 | list.listIterator(-1); |
| 665 | shouldThrow(); |
| 666 | } catch (IndexOutOfBoundsException success) {} |
| 667 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | /** |
| 671 | * listIterator throws an IndexOutOfBoundsException on a too high index |
| 672 | */ |
| 673 | public void testListIterator2_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 674 | CopyOnWriteArrayList c = populatedArray(5); |
| 675 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 676 | for (List list : lists) { |
| 677 | try { |
| 678 | list.listIterator(list.size() + 1); |
| 679 | shouldThrow(); |
| 680 | } catch (IndexOutOfBoundsException success) {} |
| 681 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | /** |
| 685 | * subList throws an IndexOutOfBoundsException on a negative index |
| 686 | */ |
| 687 | public void testSubList1_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 688 | CopyOnWriteArrayList c = populatedArray(5); |
| 689 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 690 | for (List list : lists) { |
| 691 | try { |
| 692 | list.subList(-1, list.size()); |
| 693 | shouldThrow(); |
| 694 | } catch (IndexOutOfBoundsException success) {} |
| 695 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 696 | } |
| 697 | |
| 698 | /** |
| 699 | * subList throws an IndexOutOfBoundsException on a too high index |
| 700 | */ |
| 701 | public void testSubList2_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 702 | CopyOnWriteArrayList c = populatedArray(5); |
| 703 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 704 | for (List list : lists) { |
| 705 | try { |
| 706 | list.subList(0, list.size() + 1); |
| 707 | shouldThrow(); |
| 708 | } catch (IndexOutOfBoundsException success) {} |
| 709 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 710 | } |
| 711 | |
| 712 | /** |
| 713 | * subList throws IndexOutOfBoundsException when the second index |
| 714 | * is lower then the first |
| 715 | */ |
| 716 | public void testSubList3_IndexOutOfBoundsException() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 717 | CopyOnWriteArrayList c = populatedArray(5); |
| 718 | List[] lists = { c, c.subList(1, c.size() - 1) }; |
| 719 | for (List list : lists) { |
| 720 | try { |
| 721 | list.subList(list.size() - 1, 1); |
| 722 | shouldThrow(); |
| 723 | } catch (IndexOutOfBoundsException success) {} |
| 724 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | /** |
| 728 | * a deserialized serialized list is equal |
| 729 | */ |
| 730 | public void testSerialization() throws Exception { |
| 731 | List x = populatedArray(SIZE); |
| 732 | List y = serialClone(x); |
| 733 | |
| 734 | assertNotSame(x, y); |
| 735 | assertEquals(x.size(), y.size()); |
| 736 | assertEquals(x.toString(), y.toString()); |
| 737 | assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
| 738 | assertEquals(x, y); |
| 739 | assertEquals(y, x); |
| 740 | while (!x.isEmpty()) { |
| 741 | assertFalse(y.isEmpty()); |
| 742 | assertEquals(x.remove(0), y.remove(0)); |
| 743 | } |
| 744 | assertTrue(y.isEmpty()); |
| 745 | } |
| 746 | |
| 747 | } |