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 | */ |
| 6 | |
| 7 | package jsr166; |
| 8 | |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 9 | import java.util.ArrayList; |
| 10 | import java.util.Arrays; |
| 11 | import java.util.Collection; |
| 12 | import java.util.Iterator; |
| 13 | import java.util.Map; |
| 14 | import java.util.NavigableMap; |
| 15 | import java.util.Set; |
| 16 | import java.util.SortedMap; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 17 | import java.util.concurrent.ConcurrentNavigableMap; |
| 18 | import java.util.concurrent.ConcurrentSkipListMap; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 19 | |
| 20 | import junit.framework.Test; |
| 21 | import junit.framework.TestSuite; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 22 | |
| 23 | public class ConcurrentSkipListSubMapTest extends JSR166TestCase { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 24 | // android-note: Removed because the CTS runner does a bad job of |
| 25 | // retrying tests that have suite() declarations. |
| 26 | // |
| 27 | // public static void main(String[] args) { |
| 28 | // main(suite(), args); |
| 29 | // } |
| 30 | // public static Test suite() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 31 | // return new TestSuite(ConcurrentSkipListSubMapTest.class); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 32 | // } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 33 | |
| 34 | /** |
| 35 | * Returns a new map from Integers 1-5 to Strings "A"-"E". |
| 36 | */ |
| 37 | private static ConcurrentNavigableMap map5() { |
| 38 | ConcurrentSkipListMap map = new ConcurrentSkipListMap(); |
| 39 | assertTrue(map.isEmpty()); |
| 40 | map.put(zero, "Z"); |
| 41 | map.put(one, "A"); |
| 42 | map.put(five, "E"); |
| 43 | map.put(three, "C"); |
| 44 | map.put(two, "B"); |
| 45 | map.put(four, "D"); |
| 46 | map.put(seven, "F"); |
| 47 | assertFalse(map.isEmpty()); |
| 48 | assertEquals(7, map.size()); |
| 49 | return map.subMap(one, true, seven, false); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Returns a new map from Integers -5 to -1 to Strings "A"-"E". |
| 54 | */ |
| 55 | private static ConcurrentNavigableMap dmap5() { |
| 56 | ConcurrentSkipListMap map = new ConcurrentSkipListMap(); |
| 57 | assertTrue(map.isEmpty()); |
| 58 | map.put(m1, "A"); |
| 59 | map.put(m5, "E"); |
| 60 | map.put(m3, "C"); |
| 61 | map.put(m2, "B"); |
| 62 | map.put(m4, "D"); |
| 63 | assertFalse(map.isEmpty()); |
| 64 | assertEquals(5, map.size()); |
| 65 | return map.descendingMap(); |
| 66 | } |
| 67 | |
| 68 | private static ConcurrentNavigableMap map0() { |
| 69 | ConcurrentSkipListMap map = new ConcurrentSkipListMap(); |
| 70 | assertTrue(map.isEmpty()); |
| 71 | return map.tailMap(one, true); |
| 72 | } |
| 73 | |
| 74 | private static ConcurrentNavigableMap dmap0() { |
| 75 | ConcurrentSkipListMap map = new ConcurrentSkipListMap(); |
| 76 | assertTrue(map.isEmpty()); |
| 77 | return map; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * clear removes all pairs |
| 82 | */ |
| 83 | public void testClear() { |
| 84 | ConcurrentNavigableMap map = map5(); |
| 85 | map.clear(); |
| 86 | assertEquals(0, map.size()); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Maps with same contents are equal |
| 91 | */ |
| 92 | public void testEquals() { |
| 93 | ConcurrentNavigableMap map1 = map5(); |
| 94 | ConcurrentNavigableMap map2 = map5(); |
| 95 | assertEquals(map1, map2); |
| 96 | assertEquals(map2, map1); |
| 97 | map1.clear(); |
| 98 | assertFalse(map1.equals(map2)); |
| 99 | assertFalse(map2.equals(map1)); |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * containsKey returns true for contained key |
| 104 | */ |
| 105 | public void testContainsKey() { |
| 106 | ConcurrentNavigableMap map = map5(); |
| 107 | assertTrue(map.containsKey(one)); |
| 108 | assertFalse(map.containsKey(zero)); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * containsValue returns true for held values |
| 113 | */ |
| 114 | public void testContainsValue() { |
| 115 | ConcurrentNavigableMap map = map5(); |
| 116 | assertTrue(map.containsValue("A")); |
| 117 | assertFalse(map.containsValue("Z")); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * get returns the correct element at the given key, |
| 122 | * or null if not present |
| 123 | */ |
| 124 | public void testGet() { |
| 125 | ConcurrentNavigableMap map = map5(); |
| 126 | assertEquals("A", (String)map.get(one)); |
| 127 | ConcurrentNavigableMap empty = map0(); |
| 128 | assertNull(empty.get(one)); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * isEmpty is true of empty map and false for non-empty |
| 133 | */ |
| 134 | public void testIsEmpty() { |
| 135 | ConcurrentNavigableMap empty = map0(); |
| 136 | ConcurrentNavigableMap map = map5(); |
| 137 | assertTrue(empty.isEmpty()); |
| 138 | assertFalse(map.isEmpty()); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * firstKey returns first key |
| 143 | */ |
| 144 | public void testFirstKey() { |
| 145 | ConcurrentNavigableMap map = map5(); |
| 146 | assertEquals(one, map.firstKey()); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * lastKey returns last key |
| 151 | */ |
| 152 | public void testLastKey() { |
| 153 | ConcurrentNavigableMap map = map5(); |
| 154 | assertEquals(five, map.lastKey()); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * keySet returns a Set containing all the keys |
| 159 | */ |
| 160 | public void testKeySet() { |
| 161 | ConcurrentNavigableMap map = map5(); |
| 162 | Set s = map.keySet(); |
| 163 | assertEquals(5, s.size()); |
| 164 | assertTrue(s.contains(one)); |
| 165 | assertTrue(s.contains(two)); |
| 166 | assertTrue(s.contains(three)); |
| 167 | assertTrue(s.contains(four)); |
| 168 | assertTrue(s.contains(five)); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * keySet is ordered |
| 173 | */ |
| 174 | public void testKeySetOrder() { |
| 175 | ConcurrentNavigableMap map = map5(); |
| 176 | Set s = map.keySet(); |
| 177 | Iterator i = s.iterator(); |
| 178 | Integer last = (Integer)i.next(); |
| 179 | assertEquals(last, one); |
| 180 | while (i.hasNext()) { |
| 181 | Integer k = (Integer)i.next(); |
| 182 | assertTrue(last.compareTo(k) < 0); |
| 183 | last = k; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * values collection contains all values |
| 189 | */ |
| 190 | public void testValues() { |
| 191 | ConcurrentNavigableMap map = map5(); |
| 192 | Collection s = map.values(); |
| 193 | assertEquals(5, s.size()); |
| 194 | assertTrue(s.contains("A")); |
| 195 | assertTrue(s.contains("B")); |
| 196 | assertTrue(s.contains("C")); |
| 197 | assertTrue(s.contains("D")); |
| 198 | assertTrue(s.contains("E")); |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * keySet.toArray returns contains all keys |
| 203 | */ |
| 204 | public void testKeySetToArray() { |
| 205 | ConcurrentNavigableMap map = map5(); |
| 206 | Set s = map.keySet(); |
| 207 | Object[] ar = s.toArray(); |
| 208 | assertTrue(s.containsAll(Arrays.asList(ar))); |
| 209 | assertEquals(5, ar.length); |
| 210 | ar[0] = m10; |
| 211 | assertFalse(s.containsAll(Arrays.asList(ar))); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * descendingkeySet.toArray returns contains all keys |
| 216 | */ |
| 217 | public void testDescendingKeySetToArray() { |
| 218 | ConcurrentNavigableMap map = map5(); |
| 219 | Set s = map.descendingKeySet(); |
| 220 | Object[] ar = s.toArray(); |
| 221 | assertEquals(5, ar.length); |
| 222 | assertTrue(s.containsAll(Arrays.asList(ar))); |
| 223 | ar[0] = m10; |
| 224 | assertFalse(s.containsAll(Arrays.asList(ar))); |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Values.toArray contains all values |
| 229 | */ |
| 230 | public void testValuesToArray() { |
| 231 | ConcurrentNavigableMap map = map5(); |
| 232 | Collection v = map.values(); |
| 233 | Object[] ar = v.toArray(); |
| 234 | ArrayList s = new ArrayList(Arrays.asList(ar)); |
| 235 | assertEquals(5, ar.length); |
| 236 | assertTrue(s.contains("A")); |
| 237 | assertTrue(s.contains("B")); |
| 238 | assertTrue(s.contains("C")); |
| 239 | assertTrue(s.contains("D")); |
| 240 | assertTrue(s.contains("E")); |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * entrySet contains all pairs |
| 245 | */ |
| 246 | public void testEntrySet() { |
| 247 | ConcurrentNavigableMap map = map5(); |
| 248 | Set s = map.entrySet(); |
| 249 | assertEquals(5, s.size()); |
| 250 | Iterator it = s.iterator(); |
| 251 | while (it.hasNext()) { |
| 252 | Map.Entry e = (Map.Entry) it.next(); |
| 253 | assertTrue( |
| 254 | (e.getKey().equals(one) && e.getValue().equals("A")) || |
| 255 | (e.getKey().equals(two) && e.getValue().equals("B")) || |
| 256 | (e.getKey().equals(three) && e.getValue().equals("C")) || |
| 257 | (e.getKey().equals(four) && e.getValue().equals("D")) || |
| 258 | (e.getKey().equals(five) && e.getValue().equals("E"))); |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * putAll adds all key-value pairs from the given map |
| 264 | */ |
| 265 | public void testPutAll() { |
| 266 | ConcurrentNavigableMap empty = map0(); |
| 267 | ConcurrentNavigableMap map = map5(); |
| 268 | empty.putAll(map); |
| 269 | assertEquals(5, empty.size()); |
| 270 | assertTrue(empty.containsKey(one)); |
| 271 | assertTrue(empty.containsKey(two)); |
| 272 | assertTrue(empty.containsKey(three)); |
| 273 | assertTrue(empty.containsKey(four)); |
| 274 | assertTrue(empty.containsKey(five)); |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * putIfAbsent works when the given key is not present |
| 279 | */ |
| 280 | public void testPutIfAbsent() { |
| 281 | ConcurrentNavigableMap map = map5(); |
| 282 | map.putIfAbsent(six, "Z"); |
| 283 | assertTrue(map.containsKey(six)); |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * putIfAbsent does not add the pair if the key is already present |
| 288 | */ |
| 289 | public void testPutIfAbsent2() { |
| 290 | ConcurrentNavigableMap map = map5(); |
| 291 | assertEquals("A", map.putIfAbsent(one, "Z")); |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * replace fails when the given key is not present |
| 296 | */ |
| 297 | public void testReplace() { |
| 298 | ConcurrentNavigableMap map = map5(); |
| 299 | assertNull(map.replace(six, "Z")); |
| 300 | assertFalse(map.containsKey(six)); |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * replace succeeds if the key is already present |
| 305 | */ |
| 306 | public void testReplace2() { |
| 307 | ConcurrentNavigableMap map = map5(); |
| 308 | assertNotNull(map.replace(one, "Z")); |
| 309 | assertEquals("Z", map.get(one)); |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * replace value fails when the given key not mapped to expected value |
| 314 | */ |
| 315 | public void testReplaceValue() { |
| 316 | ConcurrentNavigableMap map = map5(); |
| 317 | assertEquals("A", map.get(one)); |
| 318 | assertFalse(map.replace(one, "Z", "Z")); |
| 319 | assertEquals("A", map.get(one)); |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * replace value succeeds when the given key mapped to expected value |
| 324 | */ |
| 325 | public void testReplaceValue2() { |
| 326 | ConcurrentNavigableMap map = map5(); |
| 327 | assertEquals("A", map.get(one)); |
| 328 | assertTrue(map.replace(one, "A", "Z")); |
| 329 | assertEquals("Z", map.get(one)); |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * remove removes the correct key-value pair from the map |
| 334 | */ |
| 335 | public void testRemove() { |
| 336 | ConcurrentNavigableMap map = map5(); |
| 337 | map.remove(five); |
| 338 | assertEquals(4, map.size()); |
| 339 | assertFalse(map.containsKey(five)); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * remove(key,value) removes only if pair present |
| 344 | */ |
| 345 | public void testRemove2() { |
| 346 | ConcurrentNavigableMap map = map5(); |
| 347 | assertTrue(map.containsKey(five)); |
| 348 | assertEquals("E", map.get(five)); |
| 349 | map.remove(five, "E"); |
| 350 | assertEquals(4, map.size()); |
| 351 | assertFalse(map.containsKey(five)); |
| 352 | map.remove(four, "A"); |
| 353 | assertEquals(4, map.size()); |
| 354 | assertTrue(map.containsKey(four)); |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * lowerEntry returns preceding entry. |
| 359 | */ |
| 360 | public void testLowerEntry() { |
| 361 | ConcurrentNavigableMap map = map5(); |
| 362 | Map.Entry e1 = map.lowerEntry(three); |
| 363 | assertEquals(two, e1.getKey()); |
| 364 | |
| 365 | Map.Entry e2 = map.lowerEntry(six); |
| 366 | assertEquals(five, e2.getKey()); |
| 367 | |
| 368 | Map.Entry e3 = map.lowerEntry(one); |
| 369 | assertNull(e3); |
| 370 | |
| 371 | Map.Entry e4 = map.lowerEntry(zero); |
| 372 | assertNull(e4); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * higherEntry returns next entry. |
| 377 | */ |
| 378 | public void testHigherEntry() { |
| 379 | ConcurrentNavigableMap map = map5(); |
| 380 | Map.Entry e1 = map.higherEntry(three); |
| 381 | assertEquals(four, e1.getKey()); |
| 382 | |
| 383 | Map.Entry e2 = map.higherEntry(zero); |
| 384 | assertEquals(one, e2.getKey()); |
| 385 | |
| 386 | Map.Entry e3 = map.higherEntry(five); |
| 387 | assertNull(e3); |
| 388 | |
| 389 | Map.Entry e4 = map.higherEntry(six); |
| 390 | assertNull(e4); |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * floorEntry returns preceding entry. |
| 395 | */ |
| 396 | public void testFloorEntry() { |
| 397 | ConcurrentNavigableMap map = map5(); |
| 398 | Map.Entry e1 = map.floorEntry(three); |
| 399 | assertEquals(three, e1.getKey()); |
| 400 | |
| 401 | Map.Entry e2 = map.floorEntry(six); |
| 402 | assertEquals(five, e2.getKey()); |
| 403 | |
| 404 | Map.Entry e3 = map.floorEntry(one); |
| 405 | assertEquals(one, e3.getKey()); |
| 406 | |
| 407 | Map.Entry e4 = map.floorEntry(zero); |
| 408 | assertNull(e4); |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * ceilingEntry returns next entry. |
| 413 | */ |
| 414 | public void testCeilingEntry() { |
| 415 | ConcurrentNavigableMap map = map5(); |
| 416 | Map.Entry e1 = map.ceilingEntry(three); |
| 417 | assertEquals(three, e1.getKey()); |
| 418 | |
| 419 | Map.Entry e2 = map.ceilingEntry(zero); |
| 420 | assertEquals(one, e2.getKey()); |
| 421 | |
| 422 | Map.Entry e3 = map.ceilingEntry(five); |
| 423 | assertEquals(five, e3.getKey()); |
| 424 | |
| 425 | Map.Entry e4 = map.ceilingEntry(six); |
| 426 | assertNull(e4); |
| 427 | } |
| 428 | |
| 429 | /** |
| 430 | * pollFirstEntry returns entries in order |
| 431 | */ |
| 432 | public void testPollFirstEntry() { |
| 433 | ConcurrentNavigableMap map = map5(); |
| 434 | Map.Entry e = map.pollFirstEntry(); |
| 435 | assertEquals(one, e.getKey()); |
| 436 | assertEquals("A", e.getValue()); |
| 437 | e = map.pollFirstEntry(); |
| 438 | assertEquals(two, e.getKey()); |
| 439 | map.put(one, "A"); |
| 440 | e = map.pollFirstEntry(); |
| 441 | assertEquals(one, e.getKey()); |
| 442 | assertEquals("A", e.getValue()); |
| 443 | e = map.pollFirstEntry(); |
| 444 | assertEquals(three, e.getKey()); |
| 445 | map.remove(four); |
| 446 | e = map.pollFirstEntry(); |
| 447 | assertEquals(five, e.getKey()); |
| 448 | try { |
| 449 | e.setValue("A"); |
| 450 | shouldThrow(); |
| 451 | } catch (UnsupportedOperationException success) {} |
| 452 | e = map.pollFirstEntry(); |
| 453 | assertNull(e); |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * pollLastEntry returns entries in order |
| 458 | */ |
| 459 | public void testPollLastEntry() { |
| 460 | ConcurrentNavigableMap map = map5(); |
| 461 | Map.Entry e = map.pollLastEntry(); |
| 462 | assertEquals(five, e.getKey()); |
| 463 | assertEquals("E", e.getValue()); |
| 464 | e = map.pollLastEntry(); |
| 465 | assertEquals(four, e.getKey()); |
| 466 | map.put(five, "E"); |
| 467 | e = map.pollLastEntry(); |
| 468 | assertEquals(five, e.getKey()); |
| 469 | assertEquals("E", e.getValue()); |
| 470 | e = map.pollLastEntry(); |
| 471 | assertEquals(three, e.getKey()); |
| 472 | map.remove(two); |
| 473 | e = map.pollLastEntry(); |
| 474 | assertEquals(one, e.getKey()); |
| 475 | try { |
| 476 | e.setValue("E"); |
| 477 | shouldThrow(); |
| 478 | } catch (UnsupportedOperationException success) {} |
| 479 | e = map.pollLastEntry(); |
| 480 | assertNull(e); |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * size returns the correct values |
| 485 | */ |
| 486 | public void testSize() { |
| 487 | ConcurrentNavigableMap map = map5(); |
| 488 | ConcurrentNavigableMap empty = map0(); |
| 489 | assertEquals(0, empty.size()); |
| 490 | assertEquals(5, map.size()); |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * toString contains toString of elements |
| 495 | */ |
| 496 | public void testToString() { |
| 497 | ConcurrentNavigableMap map = map5(); |
| 498 | String s = map.toString(); |
| 499 | for (int i = 1; i <= 5; ++i) { |
| 500 | assertTrue(s.contains(String.valueOf(i))); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | // Exception tests |
| 505 | |
| 506 | /** |
| 507 | * get(null) of nonempty map throws NPE |
| 508 | */ |
| 509 | public void testGet_NullPointerException() { |
| 510 | try { |
| 511 | ConcurrentNavigableMap c = map5(); |
| 512 | c.get(null); |
| 513 | shouldThrow(); |
| 514 | } catch (NullPointerException success) {} |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * containsKey(null) of nonempty map throws NPE |
| 519 | */ |
| 520 | public void testContainsKey_NullPointerException() { |
| 521 | try { |
| 522 | ConcurrentNavigableMap c = map5(); |
| 523 | c.containsKey(null); |
| 524 | shouldThrow(); |
| 525 | } catch (NullPointerException success) {} |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * containsValue(null) throws NPE |
| 530 | */ |
| 531 | public void testContainsValue_NullPointerException() { |
| 532 | try { |
| 533 | ConcurrentNavigableMap c = map0(); |
| 534 | c.containsValue(null); |
| 535 | shouldThrow(); |
| 536 | } catch (NullPointerException success) {} |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * put(null,x) throws NPE |
| 541 | */ |
| 542 | public void testPut1_NullPointerException() { |
| 543 | try { |
| 544 | ConcurrentNavigableMap c = map5(); |
| 545 | c.put(null, "whatever"); |
| 546 | shouldThrow(); |
| 547 | } catch (NullPointerException success) {} |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * putIfAbsent(null, x) throws NPE |
| 552 | */ |
| 553 | public void testPutIfAbsent1_NullPointerException() { |
| 554 | try { |
| 555 | ConcurrentNavigableMap c = map5(); |
| 556 | c.putIfAbsent(null, "whatever"); |
| 557 | shouldThrow(); |
| 558 | } catch (NullPointerException success) {} |
| 559 | } |
| 560 | |
| 561 | /** |
| 562 | * replace(null, x) throws NPE |
| 563 | */ |
| 564 | public void testReplace_NullPointerException() { |
| 565 | try { |
| 566 | ConcurrentNavigableMap c = map5(); |
| 567 | c.replace(null, "whatever"); |
| 568 | shouldThrow(); |
| 569 | } catch (NullPointerException success) {} |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * replace(null, x, y) throws NPE |
| 574 | */ |
| 575 | public void testReplaceValue_NullPointerException() { |
| 576 | try { |
| 577 | ConcurrentNavigableMap c = map5(); |
| 578 | c.replace(null, one, "whatever"); |
| 579 | shouldThrow(); |
| 580 | } catch (NullPointerException success) {} |
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * remove(null) throws NPE |
| 585 | */ |
| 586 | public void testRemove1_NullPointerException() { |
| 587 | try { |
| 588 | ConcurrentNavigableMap c = map5(); |
| 589 | c.remove(null); |
| 590 | shouldThrow(); |
| 591 | } catch (NullPointerException success) {} |
| 592 | } |
| 593 | |
| 594 | /** |
| 595 | * remove(null, x) throws NPE |
| 596 | */ |
| 597 | public void testRemove2_NullPointerException() { |
| 598 | try { |
| 599 | ConcurrentNavigableMap c = map5(); |
| 600 | c.remove(null, "whatever"); |
| 601 | shouldThrow(); |
| 602 | } catch (NullPointerException success) {} |
| 603 | } |
| 604 | |
| 605 | /** |
| 606 | * A deserialized map equals original |
| 607 | */ |
| 608 | public void testSerialization() throws Exception { |
| 609 | NavigableMap x = map5(); |
| 610 | NavigableMap y = serialClone(x); |
| 611 | |
| 612 | assertNotSame(x, y); |
| 613 | assertEquals(x.size(), y.size()); |
| 614 | assertEquals(x.toString(), y.toString()); |
| 615 | assertEquals(x, y); |
| 616 | assertEquals(y, x); |
| 617 | } |
| 618 | |
| 619 | /** |
| 620 | * subMap returns map with keys in requested range |
| 621 | */ |
| 622 | public void testSubMapContents() { |
| 623 | ConcurrentNavigableMap map = map5(); |
| 624 | SortedMap sm = map.subMap(two, four); |
| 625 | assertEquals(two, sm.firstKey()); |
| 626 | assertEquals(three, sm.lastKey()); |
| 627 | assertEquals(2, sm.size()); |
| 628 | assertFalse(sm.containsKey(one)); |
| 629 | assertTrue(sm.containsKey(two)); |
| 630 | assertTrue(sm.containsKey(three)); |
| 631 | assertFalse(sm.containsKey(four)); |
| 632 | assertFalse(sm.containsKey(five)); |
| 633 | Iterator i = sm.keySet().iterator(); |
| 634 | Object k; |
| 635 | k = (Integer)(i.next()); |
| 636 | assertEquals(two, k); |
| 637 | k = (Integer)(i.next()); |
| 638 | assertEquals(three, k); |
| 639 | assertFalse(i.hasNext()); |
| 640 | Iterator j = sm.keySet().iterator(); |
| 641 | j.next(); |
| 642 | j.remove(); |
| 643 | assertFalse(map.containsKey(two)); |
| 644 | assertEquals(4, map.size()); |
| 645 | assertEquals(1, sm.size()); |
| 646 | assertEquals(three, sm.firstKey()); |
| 647 | assertEquals(three, sm.lastKey()); |
| 648 | assertEquals("C", sm.remove(three)); |
| 649 | assertTrue(sm.isEmpty()); |
| 650 | assertEquals(3, map.size()); |
| 651 | } |
| 652 | |
| 653 | public void testSubMapContents2() { |
| 654 | ConcurrentNavigableMap map = map5(); |
| 655 | SortedMap sm = map.subMap(two, three); |
| 656 | assertEquals(1, sm.size()); |
| 657 | assertEquals(two, sm.firstKey()); |
| 658 | assertEquals(two, sm.lastKey()); |
| 659 | assertFalse(sm.containsKey(one)); |
| 660 | assertTrue(sm.containsKey(two)); |
| 661 | assertFalse(sm.containsKey(three)); |
| 662 | assertFalse(sm.containsKey(four)); |
| 663 | assertFalse(sm.containsKey(five)); |
| 664 | Iterator i = sm.keySet().iterator(); |
| 665 | Object k; |
| 666 | k = (Integer)(i.next()); |
| 667 | assertEquals(two, k); |
| 668 | assertFalse(i.hasNext()); |
| 669 | Iterator j = sm.keySet().iterator(); |
| 670 | j.next(); |
| 671 | j.remove(); |
| 672 | assertFalse(map.containsKey(two)); |
| 673 | assertEquals(4, map.size()); |
| 674 | assertEquals(0, sm.size()); |
| 675 | assertTrue(sm.isEmpty()); |
| 676 | assertSame(sm.remove(three), null); |
| 677 | assertEquals(4, map.size()); |
| 678 | } |
| 679 | |
| 680 | /** |
| 681 | * headMap returns map with keys in requested range |
| 682 | */ |
| 683 | public void testHeadMapContents() { |
| 684 | ConcurrentNavigableMap map = map5(); |
| 685 | SortedMap sm = map.headMap(four); |
| 686 | assertTrue(sm.containsKey(one)); |
| 687 | assertTrue(sm.containsKey(two)); |
| 688 | assertTrue(sm.containsKey(three)); |
| 689 | assertFalse(sm.containsKey(four)); |
| 690 | assertFalse(sm.containsKey(five)); |
| 691 | Iterator i = sm.keySet().iterator(); |
| 692 | Object k; |
| 693 | k = (Integer)(i.next()); |
| 694 | assertEquals(one, k); |
| 695 | k = (Integer)(i.next()); |
| 696 | assertEquals(two, k); |
| 697 | k = (Integer)(i.next()); |
| 698 | assertEquals(three, k); |
| 699 | assertFalse(i.hasNext()); |
| 700 | sm.clear(); |
| 701 | assertTrue(sm.isEmpty()); |
| 702 | assertEquals(2, map.size()); |
| 703 | assertEquals(four, map.firstKey()); |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * headMap returns map with keys in requested range |
| 708 | */ |
| 709 | public void testTailMapContents() { |
| 710 | ConcurrentNavigableMap map = map5(); |
| 711 | SortedMap sm = map.tailMap(two); |
| 712 | assertFalse(sm.containsKey(one)); |
| 713 | assertTrue(sm.containsKey(two)); |
| 714 | assertTrue(sm.containsKey(three)); |
| 715 | assertTrue(sm.containsKey(four)); |
| 716 | assertTrue(sm.containsKey(five)); |
| 717 | Iterator i = sm.keySet().iterator(); |
| 718 | Object k; |
| 719 | k = (Integer)(i.next()); |
| 720 | assertEquals(two, k); |
| 721 | k = (Integer)(i.next()); |
| 722 | assertEquals(three, k); |
| 723 | k = (Integer)(i.next()); |
| 724 | assertEquals(four, k); |
| 725 | k = (Integer)(i.next()); |
| 726 | assertEquals(five, k); |
| 727 | assertFalse(i.hasNext()); |
| 728 | |
| 729 | Iterator ei = sm.entrySet().iterator(); |
| 730 | Map.Entry e; |
| 731 | e = (Map.Entry)(ei.next()); |
| 732 | assertEquals(two, e.getKey()); |
| 733 | assertEquals("B", e.getValue()); |
| 734 | e = (Map.Entry)(ei.next()); |
| 735 | assertEquals(three, e.getKey()); |
| 736 | assertEquals("C", e.getValue()); |
| 737 | e = (Map.Entry)(ei.next()); |
| 738 | assertEquals(four, e.getKey()); |
| 739 | assertEquals("D", e.getValue()); |
| 740 | e = (Map.Entry)(ei.next()); |
| 741 | assertEquals(five, e.getKey()); |
| 742 | assertEquals("E", e.getValue()); |
| 743 | assertFalse(i.hasNext()); |
| 744 | |
| 745 | SortedMap ssm = sm.tailMap(four); |
| 746 | assertEquals(four, ssm.firstKey()); |
| 747 | assertEquals(five, ssm.lastKey()); |
| 748 | assertEquals("D", ssm.remove(four)); |
| 749 | assertEquals(1, ssm.size()); |
| 750 | assertEquals(3, sm.size()); |
| 751 | assertEquals(4, map.size()); |
| 752 | } |
| 753 | |
| 754 | /** |
| 755 | * clear removes all pairs |
| 756 | */ |
| 757 | public void testDescendingClear() { |
| 758 | ConcurrentNavigableMap map = dmap5(); |
| 759 | map.clear(); |
| 760 | assertEquals(0, map.size()); |
| 761 | } |
| 762 | |
| 763 | /** |
| 764 | * Maps with same contents are equal |
| 765 | */ |
| 766 | public void testDescendingEquals() { |
| 767 | ConcurrentNavigableMap map1 = dmap5(); |
| 768 | ConcurrentNavigableMap map2 = dmap5(); |
| 769 | assertEquals(map1, map2); |
| 770 | assertEquals(map2, map1); |
| 771 | map1.clear(); |
| 772 | assertFalse(map1.equals(map2)); |
| 773 | assertFalse(map2.equals(map1)); |
| 774 | } |
| 775 | |
| 776 | /** |
| 777 | * containsKey returns true for contained key |
| 778 | */ |
| 779 | public void testDescendingContainsKey() { |
| 780 | ConcurrentNavigableMap map = dmap5(); |
| 781 | assertTrue(map.containsKey(m1)); |
| 782 | assertFalse(map.containsKey(zero)); |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * containsValue returns true for held values |
| 787 | */ |
| 788 | public void testDescendingContainsValue() { |
| 789 | ConcurrentNavigableMap map = dmap5(); |
| 790 | assertTrue(map.containsValue("A")); |
| 791 | assertFalse(map.containsValue("Z")); |
| 792 | } |
| 793 | |
| 794 | /** |
| 795 | * get returns the correct element at the given key, |
| 796 | * or null if not present |
| 797 | */ |
| 798 | public void testDescendingGet() { |
| 799 | ConcurrentNavigableMap map = dmap5(); |
| 800 | assertEquals("A", (String)map.get(m1)); |
| 801 | ConcurrentNavigableMap empty = dmap0(); |
| 802 | assertNull(empty.get(m1)); |
| 803 | } |
| 804 | |
| 805 | /** |
| 806 | * isEmpty is true of empty map and false for non-empty |
| 807 | */ |
| 808 | public void testDescendingIsEmpty() { |
| 809 | ConcurrentNavigableMap empty = dmap0(); |
| 810 | ConcurrentNavigableMap map = dmap5(); |
| 811 | assertTrue(empty.isEmpty()); |
| 812 | assertFalse(map.isEmpty()); |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * firstKey returns first key |
| 817 | */ |
| 818 | public void testDescendingFirstKey() { |
| 819 | ConcurrentNavigableMap map = dmap5(); |
| 820 | assertEquals(m1, map.firstKey()); |
| 821 | } |
| 822 | |
| 823 | /** |
| 824 | * lastKey returns last key |
| 825 | */ |
| 826 | public void testDescendingLastKey() { |
| 827 | ConcurrentNavigableMap map = dmap5(); |
| 828 | assertEquals(m5, map.lastKey()); |
| 829 | } |
| 830 | |
| 831 | /** |
| 832 | * keySet returns a Set containing all the keys |
| 833 | */ |
| 834 | public void testDescendingKeySet() { |
| 835 | ConcurrentNavigableMap map = dmap5(); |
| 836 | Set s = map.keySet(); |
| 837 | assertEquals(5, s.size()); |
| 838 | assertTrue(s.contains(m1)); |
| 839 | assertTrue(s.contains(m2)); |
| 840 | assertTrue(s.contains(m3)); |
| 841 | assertTrue(s.contains(m4)); |
| 842 | assertTrue(s.contains(m5)); |
| 843 | } |
| 844 | |
| 845 | /** |
| 846 | * keySet is ordered |
| 847 | */ |
| 848 | public void testDescendingKeySetOrder() { |
| 849 | ConcurrentNavigableMap map = dmap5(); |
| 850 | Set s = map.keySet(); |
| 851 | Iterator i = s.iterator(); |
| 852 | Integer last = (Integer)i.next(); |
| 853 | assertEquals(last, m1); |
| 854 | while (i.hasNext()) { |
| 855 | Integer k = (Integer)i.next(); |
| 856 | assertTrue(last.compareTo(k) > 0); |
| 857 | last = k; |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | /** |
| 862 | * values collection contains all values |
| 863 | */ |
| 864 | public void testDescendingValues() { |
| 865 | ConcurrentNavigableMap map = dmap5(); |
| 866 | Collection s = map.values(); |
| 867 | assertEquals(5, s.size()); |
| 868 | assertTrue(s.contains("A")); |
| 869 | assertTrue(s.contains("B")); |
| 870 | assertTrue(s.contains("C")); |
| 871 | assertTrue(s.contains("D")); |
| 872 | assertTrue(s.contains("E")); |
| 873 | } |
| 874 | |
| 875 | /** |
| 876 | * keySet.toArray returns contains all keys |
| 877 | */ |
| 878 | public void testDescendingAscendingKeySetToArray() { |
| 879 | ConcurrentNavigableMap map = dmap5(); |
| 880 | Set s = map.keySet(); |
| 881 | Object[] ar = s.toArray(); |
| 882 | assertTrue(s.containsAll(Arrays.asList(ar))); |
| 883 | assertEquals(5, ar.length); |
| 884 | ar[0] = m10; |
| 885 | assertFalse(s.containsAll(Arrays.asList(ar))); |
| 886 | } |
| 887 | |
| 888 | /** |
| 889 | * descendingkeySet.toArray returns contains all keys |
| 890 | */ |
| 891 | public void testDescendingDescendingKeySetToArray() { |
| 892 | ConcurrentNavigableMap map = dmap5(); |
| 893 | Set s = map.descendingKeySet(); |
| 894 | Object[] ar = s.toArray(); |
| 895 | assertEquals(5, ar.length); |
| 896 | assertTrue(s.containsAll(Arrays.asList(ar))); |
| 897 | ar[0] = m10; |
| 898 | assertFalse(s.containsAll(Arrays.asList(ar))); |
| 899 | } |
| 900 | |
| 901 | /** |
| 902 | * Values.toArray contains all values |
| 903 | */ |
| 904 | public void testDescendingValuesToArray() { |
| 905 | ConcurrentNavigableMap map = dmap5(); |
| 906 | Collection v = map.values(); |
| 907 | Object[] ar = v.toArray(); |
| 908 | ArrayList s = new ArrayList(Arrays.asList(ar)); |
| 909 | assertEquals(5, ar.length); |
| 910 | assertTrue(s.contains("A")); |
| 911 | assertTrue(s.contains("B")); |
| 912 | assertTrue(s.contains("C")); |
| 913 | assertTrue(s.contains("D")); |
| 914 | assertTrue(s.contains("E")); |
| 915 | } |
| 916 | |
| 917 | /** |
| 918 | * entrySet contains all pairs |
| 919 | */ |
| 920 | public void testDescendingEntrySet() { |
| 921 | ConcurrentNavigableMap map = dmap5(); |
| 922 | Set s = map.entrySet(); |
| 923 | assertEquals(5, s.size()); |
| 924 | Iterator it = s.iterator(); |
| 925 | while (it.hasNext()) { |
| 926 | Map.Entry e = (Map.Entry) it.next(); |
| 927 | assertTrue( |
| 928 | (e.getKey().equals(m1) && e.getValue().equals("A")) || |
| 929 | (e.getKey().equals(m2) && e.getValue().equals("B")) || |
| 930 | (e.getKey().equals(m3) && e.getValue().equals("C")) || |
| 931 | (e.getKey().equals(m4) && e.getValue().equals("D")) || |
| 932 | (e.getKey().equals(m5) && e.getValue().equals("E"))); |
| 933 | } |
| 934 | } |
| 935 | |
| 936 | /** |
| 937 | * putAll adds all key-value pairs from the given map |
| 938 | */ |
| 939 | public void testDescendingPutAll() { |
| 940 | ConcurrentNavigableMap empty = dmap0(); |
| 941 | ConcurrentNavigableMap map = dmap5(); |
| 942 | empty.putAll(map); |
| 943 | assertEquals(5, empty.size()); |
| 944 | assertTrue(empty.containsKey(m1)); |
| 945 | assertTrue(empty.containsKey(m2)); |
| 946 | assertTrue(empty.containsKey(m3)); |
| 947 | assertTrue(empty.containsKey(m4)); |
| 948 | assertTrue(empty.containsKey(m5)); |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * putIfAbsent works when the given key is not present |
| 953 | */ |
| 954 | public void testDescendingPutIfAbsent() { |
| 955 | ConcurrentNavigableMap map = dmap5(); |
| 956 | map.putIfAbsent(six, "Z"); |
| 957 | assertTrue(map.containsKey(six)); |
| 958 | } |
| 959 | |
| 960 | /** |
| 961 | * putIfAbsent does not add the pair if the key is already present |
| 962 | */ |
| 963 | public void testDescendingPutIfAbsent2() { |
| 964 | ConcurrentNavigableMap map = dmap5(); |
| 965 | assertEquals("A", map.putIfAbsent(m1, "Z")); |
| 966 | } |
| 967 | |
| 968 | /** |
| 969 | * replace fails when the given key is not present |
| 970 | */ |
| 971 | public void testDescendingReplace() { |
| 972 | ConcurrentNavigableMap map = dmap5(); |
| 973 | assertNull(map.replace(six, "Z")); |
| 974 | assertFalse(map.containsKey(six)); |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * replace succeeds if the key is already present |
| 979 | */ |
| 980 | public void testDescendingReplace2() { |
| 981 | ConcurrentNavigableMap map = dmap5(); |
| 982 | assertNotNull(map.replace(m1, "Z")); |
| 983 | assertEquals("Z", map.get(m1)); |
| 984 | } |
| 985 | |
| 986 | /** |
| 987 | * replace value fails when the given key not mapped to expected value |
| 988 | */ |
| 989 | public void testDescendingReplaceValue() { |
| 990 | ConcurrentNavigableMap map = dmap5(); |
| 991 | assertEquals("A", map.get(m1)); |
| 992 | assertFalse(map.replace(m1, "Z", "Z")); |
| 993 | assertEquals("A", map.get(m1)); |
| 994 | } |
| 995 | |
| 996 | /** |
| 997 | * replace value succeeds when the given key mapped to expected value |
| 998 | */ |
| 999 | public void testDescendingReplaceValue2() { |
| 1000 | ConcurrentNavigableMap map = dmap5(); |
| 1001 | assertEquals("A", map.get(m1)); |
| 1002 | assertTrue(map.replace(m1, "A", "Z")); |
| 1003 | assertEquals("Z", map.get(m1)); |
| 1004 | } |
| 1005 | |
| 1006 | /** |
| 1007 | * remove removes the correct key-value pair from the map |
| 1008 | */ |
| 1009 | public void testDescendingRemove() { |
| 1010 | ConcurrentNavigableMap map = dmap5(); |
| 1011 | map.remove(m5); |
| 1012 | assertEquals(4, map.size()); |
| 1013 | assertFalse(map.containsKey(m5)); |
| 1014 | } |
| 1015 | |
| 1016 | /** |
| 1017 | * remove(key,value) removes only if pair present |
| 1018 | */ |
| 1019 | public void testDescendingRemove2() { |
| 1020 | ConcurrentNavigableMap map = dmap5(); |
| 1021 | assertTrue(map.containsKey(m5)); |
| 1022 | assertEquals("E", map.get(m5)); |
| 1023 | map.remove(m5, "E"); |
| 1024 | assertEquals(4, map.size()); |
| 1025 | assertFalse(map.containsKey(m5)); |
| 1026 | map.remove(m4, "A"); |
| 1027 | assertEquals(4, map.size()); |
| 1028 | assertTrue(map.containsKey(m4)); |
| 1029 | } |
| 1030 | |
| 1031 | /** |
| 1032 | * lowerEntry returns preceding entry. |
| 1033 | */ |
| 1034 | public void testDescendingLowerEntry() { |
| 1035 | ConcurrentNavigableMap map = dmap5(); |
| 1036 | Map.Entry e1 = map.lowerEntry(m3); |
| 1037 | assertEquals(m2, e1.getKey()); |
| 1038 | |
| 1039 | Map.Entry e2 = map.lowerEntry(m6); |
| 1040 | assertEquals(m5, e2.getKey()); |
| 1041 | |
| 1042 | Map.Entry e3 = map.lowerEntry(m1); |
| 1043 | assertNull(e3); |
| 1044 | |
| 1045 | Map.Entry e4 = map.lowerEntry(zero); |
| 1046 | assertNull(e4); |
| 1047 | } |
| 1048 | |
| 1049 | /** |
| 1050 | * higherEntry returns next entry. |
| 1051 | */ |
| 1052 | public void testDescendingHigherEntry() { |
| 1053 | ConcurrentNavigableMap map = dmap5(); |
| 1054 | Map.Entry e1 = map.higherEntry(m3); |
| 1055 | assertEquals(m4, e1.getKey()); |
| 1056 | |
| 1057 | Map.Entry e2 = map.higherEntry(zero); |
| 1058 | assertEquals(m1, e2.getKey()); |
| 1059 | |
| 1060 | Map.Entry e3 = map.higherEntry(m5); |
| 1061 | assertNull(e3); |
| 1062 | |
| 1063 | Map.Entry e4 = map.higherEntry(m6); |
| 1064 | assertNull(e4); |
| 1065 | } |
| 1066 | |
| 1067 | /** |
| 1068 | * floorEntry returns preceding entry. |
| 1069 | */ |
| 1070 | public void testDescendingFloorEntry() { |
| 1071 | ConcurrentNavigableMap map = dmap5(); |
| 1072 | Map.Entry e1 = map.floorEntry(m3); |
| 1073 | assertEquals(m3, e1.getKey()); |
| 1074 | |
| 1075 | Map.Entry e2 = map.floorEntry(m6); |
| 1076 | assertEquals(m5, e2.getKey()); |
| 1077 | |
| 1078 | Map.Entry e3 = map.floorEntry(m1); |
| 1079 | assertEquals(m1, e3.getKey()); |
| 1080 | |
| 1081 | Map.Entry e4 = map.floorEntry(zero); |
| 1082 | assertNull(e4); |
| 1083 | } |
| 1084 | |
| 1085 | /** |
| 1086 | * ceilingEntry returns next entry. |
| 1087 | */ |
| 1088 | public void testDescendingCeilingEntry() { |
| 1089 | ConcurrentNavigableMap map = dmap5(); |
| 1090 | Map.Entry e1 = map.ceilingEntry(m3); |
| 1091 | assertEquals(m3, e1.getKey()); |
| 1092 | |
| 1093 | Map.Entry e2 = map.ceilingEntry(zero); |
| 1094 | assertEquals(m1, e2.getKey()); |
| 1095 | |
| 1096 | Map.Entry e3 = map.ceilingEntry(m5); |
| 1097 | assertEquals(m5, e3.getKey()); |
| 1098 | |
| 1099 | Map.Entry e4 = map.ceilingEntry(m6); |
| 1100 | assertNull(e4); |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * pollFirstEntry returns entries in order |
| 1105 | */ |
| 1106 | public void testDescendingPollFirstEntry() { |
| 1107 | ConcurrentNavigableMap map = dmap5(); |
| 1108 | Map.Entry e = map.pollFirstEntry(); |
| 1109 | assertEquals(m1, e.getKey()); |
| 1110 | assertEquals("A", e.getValue()); |
| 1111 | e = map.pollFirstEntry(); |
| 1112 | assertEquals(m2, e.getKey()); |
| 1113 | map.put(m1, "A"); |
| 1114 | e = map.pollFirstEntry(); |
| 1115 | assertEquals(m1, e.getKey()); |
| 1116 | assertEquals("A", e.getValue()); |
| 1117 | e = map.pollFirstEntry(); |
| 1118 | assertEquals(m3, e.getKey()); |
| 1119 | map.remove(m4); |
| 1120 | e = map.pollFirstEntry(); |
| 1121 | assertEquals(m5, e.getKey()); |
| 1122 | try { |
| 1123 | e.setValue("A"); |
| 1124 | shouldThrow(); |
| 1125 | } catch (UnsupportedOperationException success) {} |
| 1126 | e = map.pollFirstEntry(); |
| 1127 | assertNull(e); |
| 1128 | } |
| 1129 | |
| 1130 | /** |
| 1131 | * pollLastEntry returns entries in order |
| 1132 | */ |
| 1133 | public void testDescendingPollLastEntry() { |
| 1134 | ConcurrentNavigableMap map = dmap5(); |
| 1135 | Map.Entry e = map.pollLastEntry(); |
| 1136 | assertEquals(m5, e.getKey()); |
| 1137 | assertEquals("E", e.getValue()); |
| 1138 | e = map.pollLastEntry(); |
| 1139 | assertEquals(m4, e.getKey()); |
| 1140 | map.put(m5, "E"); |
| 1141 | e = map.pollLastEntry(); |
| 1142 | assertEquals(m5, e.getKey()); |
| 1143 | assertEquals("E", e.getValue()); |
| 1144 | e = map.pollLastEntry(); |
| 1145 | assertEquals(m3, e.getKey()); |
| 1146 | map.remove(m2); |
| 1147 | e = map.pollLastEntry(); |
| 1148 | assertEquals(m1, e.getKey()); |
| 1149 | try { |
| 1150 | e.setValue("E"); |
| 1151 | shouldThrow(); |
| 1152 | } catch (UnsupportedOperationException success) {} |
| 1153 | e = map.pollLastEntry(); |
| 1154 | assertNull(e); |
| 1155 | } |
| 1156 | |
| 1157 | /** |
| 1158 | * size returns the correct values |
| 1159 | */ |
| 1160 | public void testDescendingSize() { |
| 1161 | ConcurrentNavigableMap map = dmap5(); |
| 1162 | ConcurrentNavigableMap empty = dmap0(); |
| 1163 | assertEquals(0, empty.size()); |
| 1164 | assertEquals(5, map.size()); |
| 1165 | } |
| 1166 | |
| 1167 | /** |
| 1168 | * toString contains toString of elements |
| 1169 | */ |
| 1170 | public void testDescendingToString() { |
| 1171 | ConcurrentNavigableMap map = dmap5(); |
| 1172 | String s = map.toString(); |
| 1173 | for (int i = 1; i <= 5; ++i) { |
| 1174 | assertTrue(s.contains(String.valueOf(i))); |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | // Exception testDescendings |
| 1179 | |
| 1180 | /** |
| 1181 | * get(null) of empty map throws NPE |
| 1182 | */ |
| 1183 | public void testDescendingGet_NullPointerException() { |
| 1184 | try { |
| 1185 | ConcurrentNavigableMap c = dmap5(); |
| 1186 | c.get(null); |
| 1187 | shouldThrow(); |
| 1188 | } catch (NullPointerException success) {} |
| 1189 | } |
| 1190 | |
| 1191 | /** |
| 1192 | * containsKey(null) of empty map throws NPE |
| 1193 | */ |
| 1194 | public void testDescendingContainsKey_NullPointerException() { |
| 1195 | try { |
| 1196 | ConcurrentNavigableMap c = dmap5(); |
| 1197 | c.containsKey(null); |
| 1198 | shouldThrow(); |
| 1199 | } catch (NullPointerException success) {} |
| 1200 | } |
| 1201 | |
| 1202 | /** |
| 1203 | * containsValue(null) throws NPE |
| 1204 | */ |
| 1205 | public void testDescendingContainsValue_NullPointerException() { |
| 1206 | try { |
| 1207 | ConcurrentNavigableMap c = dmap0(); |
| 1208 | c.containsValue(null); |
| 1209 | shouldThrow(); |
| 1210 | } catch (NullPointerException success) {} |
| 1211 | } |
| 1212 | |
| 1213 | /** |
| 1214 | * put(null,x) throws NPE |
| 1215 | */ |
| 1216 | public void testDescendingPut1_NullPointerException() { |
| 1217 | try { |
| 1218 | ConcurrentNavigableMap c = dmap5(); |
| 1219 | c.put(null, "whatever"); |
| 1220 | shouldThrow(); |
| 1221 | } catch (NullPointerException success) {} |
| 1222 | } |
| 1223 | |
| 1224 | /** |
| 1225 | * putIfAbsent(null, x) throws NPE |
| 1226 | */ |
| 1227 | public void testDescendingPutIfAbsent1_NullPointerException() { |
| 1228 | try { |
| 1229 | ConcurrentNavigableMap c = dmap5(); |
| 1230 | c.putIfAbsent(null, "whatever"); |
| 1231 | shouldThrow(); |
| 1232 | } catch (NullPointerException success) {} |
| 1233 | } |
| 1234 | |
| 1235 | /** |
| 1236 | * replace(null, x) throws NPE |
| 1237 | */ |
| 1238 | public void testDescendingReplace_NullPointerException() { |
| 1239 | try { |
| 1240 | ConcurrentNavigableMap c = dmap5(); |
| 1241 | c.replace(null, "whatever"); |
| 1242 | shouldThrow(); |
| 1243 | } catch (NullPointerException success) {} |
| 1244 | } |
| 1245 | |
| 1246 | /** |
| 1247 | * replace(null, x, y) throws NPE |
| 1248 | */ |
| 1249 | public void testDescendingReplaceValue_NullPointerException() { |
| 1250 | try { |
| 1251 | ConcurrentNavigableMap c = dmap5(); |
| 1252 | c.replace(null, m1, "whatever"); |
| 1253 | shouldThrow(); |
| 1254 | } catch (NullPointerException success) {} |
| 1255 | } |
| 1256 | |
| 1257 | /** |
| 1258 | * remove(null) throws NPE |
| 1259 | */ |
| 1260 | public void testDescendingRemove1_NullPointerException() { |
| 1261 | try { |
| 1262 | ConcurrentNavigableMap c = dmap5(); |
| 1263 | c.remove(null); |
| 1264 | shouldThrow(); |
| 1265 | } catch (NullPointerException success) {} |
| 1266 | } |
| 1267 | |
| 1268 | /** |
| 1269 | * remove(null, x) throws NPE |
| 1270 | */ |
| 1271 | public void testDescendingRemove2_NullPointerException() { |
| 1272 | try { |
| 1273 | ConcurrentNavigableMap c = dmap5(); |
| 1274 | c.remove(null, "whatever"); |
| 1275 | shouldThrow(); |
| 1276 | } catch (NullPointerException success) {} |
| 1277 | } |
| 1278 | |
| 1279 | /** |
| 1280 | * A deserialized map equals original |
| 1281 | */ |
| 1282 | public void testDescendingSerialization() throws Exception { |
| 1283 | NavigableMap x = dmap5(); |
| 1284 | NavigableMap y = serialClone(x); |
| 1285 | |
| 1286 | assertNotSame(x, y); |
| 1287 | assertEquals(x.size(), y.size()); |
| 1288 | assertEquals(x.toString(), y.toString()); |
| 1289 | assertEquals(x, y); |
| 1290 | assertEquals(y, x); |
| 1291 | } |
| 1292 | |
| 1293 | /** |
| 1294 | * subMap returns map with keys in requested range |
| 1295 | */ |
| 1296 | public void testDescendingSubMapContents() { |
| 1297 | ConcurrentNavigableMap map = dmap5(); |
| 1298 | SortedMap sm = map.subMap(m2, m4); |
| 1299 | assertEquals(m2, sm.firstKey()); |
| 1300 | assertEquals(m3, sm.lastKey()); |
| 1301 | assertEquals(2, sm.size()); |
| 1302 | assertFalse(sm.containsKey(m1)); |
| 1303 | assertTrue(sm.containsKey(m2)); |
| 1304 | assertTrue(sm.containsKey(m3)); |
| 1305 | assertFalse(sm.containsKey(m4)); |
| 1306 | assertFalse(sm.containsKey(m5)); |
| 1307 | Iterator i = sm.keySet().iterator(); |
| 1308 | Object k; |
| 1309 | k = (Integer)(i.next()); |
| 1310 | assertEquals(m2, k); |
| 1311 | k = (Integer)(i.next()); |
| 1312 | assertEquals(m3, k); |
| 1313 | assertFalse(i.hasNext()); |
| 1314 | Iterator j = sm.keySet().iterator(); |
| 1315 | j.next(); |
| 1316 | j.remove(); |
| 1317 | assertFalse(map.containsKey(m2)); |
| 1318 | assertEquals(4, map.size()); |
| 1319 | assertEquals(1, sm.size()); |
| 1320 | assertEquals(m3, sm.firstKey()); |
| 1321 | assertEquals(m3, sm.lastKey()); |
| 1322 | assertEquals("C", sm.remove(m3)); |
| 1323 | assertTrue(sm.isEmpty()); |
| 1324 | assertEquals(3, map.size()); |
| 1325 | } |
| 1326 | |
| 1327 | public void testDescendingSubMapContents2() { |
| 1328 | ConcurrentNavigableMap map = dmap5(); |
| 1329 | SortedMap sm = map.subMap(m2, m3); |
| 1330 | assertEquals(1, sm.size()); |
| 1331 | assertEquals(m2, sm.firstKey()); |
| 1332 | assertEquals(m2, sm.lastKey()); |
| 1333 | assertFalse(sm.containsKey(m1)); |
| 1334 | assertTrue(sm.containsKey(m2)); |
| 1335 | assertFalse(sm.containsKey(m3)); |
| 1336 | assertFalse(sm.containsKey(m4)); |
| 1337 | assertFalse(sm.containsKey(m5)); |
| 1338 | Iterator i = sm.keySet().iterator(); |
| 1339 | Object k; |
| 1340 | k = (Integer)(i.next()); |
| 1341 | assertEquals(m2, k); |
| 1342 | assertFalse(i.hasNext()); |
| 1343 | Iterator j = sm.keySet().iterator(); |
| 1344 | j.next(); |
| 1345 | j.remove(); |
| 1346 | assertFalse(map.containsKey(m2)); |
| 1347 | assertEquals(4, map.size()); |
| 1348 | assertEquals(0, sm.size()); |
| 1349 | assertTrue(sm.isEmpty()); |
| 1350 | assertSame(sm.remove(m3), null); |
| 1351 | assertEquals(4, map.size()); |
| 1352 | } |
| 1353 | |
| 1354 | /** |
| 1355 | * headMap returns map with keys in requested range |
| 1356 | */ |
| 1357 | public void testDescendingHeadMapContents() { |
| 1358 | ConcurrentNavigableMap map = dmap5(); |
| 1359 | SortedMap sm = map.headMap(m4); |
| 1360 | assertTrue(sm.containsKey(m1)); |
| 1361 | assertTrue(sm.containsKey(m2)); |
| 1362 | assertTrue(sm.containsKey(m3)); |
| 1363 | assertFalse(sm.containsKey(m4)); |
| 1364 | assertFalse(sm.containsKey(m5)); |
| 1365 | Iterator i = sm.keySet().iterator(); |
| 1366 | Object k; |
| 1367 | k = (Integer)(i.next()); |
| 1368 | assertEquals(m1, k); |
| 1369 | k = (Integer)(i.next()); |
| 1370 | assertEquals(m2, k); |
| 1371 | k = (Integer)(i.next()); |
| 1372 | assertEquals(m3, k); |
| 1373 | assertFalse(i.hasNext()); |
| 1374 | sm.clear(); |
| 1375 | assertTrue(sm.isEmpty()); |
| 1376 | assertEquals(2, map.size()); |
| 1377 | assertEquals(m4, map.firstKey()); |
| 1378 | } |
| 1379 | |
| 1380 | /** |
| 1381 | * headMap returns map with keys in requested range |
| 1382 | */ |
| 1383 | public void testDescendingTailMapContents() { |
| 1384 | ConcurrentNavigableMap map = dmap5(); |
| 1385 | SortedMap sm = map.tailMap(m2); |
| 1386 | assertFalse(sm.containsKey(m1)); |
| 1387 | assertTrue(sm.containsKey(m2)); |
| 1388 | assertTrue(sm.containsKey(m3)); |
| 1389 | assertTrue(sm.containsKey(m4)); |
| 1390 | assertTrue(sm.containsKey(m5)); |
| 1391 | Iterator i = sm.keySet().iterator(); |
| 1392 | Object k; |
| 1393 | k = (Integer)(i.next()); |
| 1394 | assertEquals(m2, k); |
| 1395 | k = (Integer)(i.next()); |
| 1396 | assertEquals(m3, k); |
| 1397 | k = (Integer)(i.next()); |
| 1398 | assertEquals(m4, k); |
| 1399 | k = (Integer)(i.next()); |
| 1400 | assertEquals(m5, k); |
| 1401 | assertFalse(i.hasNext()); |
| 1402 | |
| 1403 | Iterator ei = sm.entrySet().iterator(); |
| 1404 | Map.Entry e; |
| 1405 | e = (Map.Entry)(ei.next()); |
| 1406 | assertEquals(m2, e.getKey()); |
| 1407 | assertEquals("B", e.getValue()); |
| 1408 | e = (Map.Entry)(ei.next()); |
| 1409 | assertEquals(m3, e.getKey()); |
| 1410 | assertEquals("C", e.getValue()); |
| 1411 | e = (Map.Entry)(ei.next()); |
| 1412 | assertEquals(m4, e.getKey()); |
| 1413 | assertEquals("D", e.getValue()); |
| 1414 | e = (Map.Entry)(ei.next()); |
| 1415 | assertEquals(m5, e.getKey()); |
| 1416 | assertEquals("E", e.getValue()); |
| 1417 | assertFalse(i.hasNext()); |
| 1418 | |
| 1419 | SortedMap ssm = sm.tailMap(m4); |
| 1420 | assertEquals(m4, ssm.firstKey()); |
| 1421 | assertEquals(m5, ssm.lastKey()); |
| 1422 | assertEquals("D", ssm.remove(m4)); |
| 1423 | assertEquals(1, ssm.size()); |
| 1424 | assertEquals(3, sm.size()); |
| 1425 | assertEquals(4, map.size()); |
| 1426 | } |
| 1427 | |
| 1428 | } |