crazyboblee | 210bf43 | 2009-02-05 06:04:18 +0000 | [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/licenses/publicdomain |
| 5 | * Other contributors include Andrew Wright, Jeffrey Hayes, |
| 6 | * Pat Fisher, Mike Judd. |
| 7 | */ |
| 8 | |
limpbizkit@gmail.com | 9a227be | 2010-07-03 15:51:31 +0000 | [diff] [blame] | 9 | package com.google.inject.internal.util; |
crazyboblee | 210bf43 | 2009-02-05 06:04:18 +0000 | [diff] [blame] | 10 | |
limpbizkit@gmail.com | 9a227be | 2010-07-03 15:51:31 +0000 | [diff] [blame] | 11 | import com.google.inject.internal.util.Jsr166HashMap; |
crazyboblee | 210bf43 | 2009-02-05 06:04:18 +0000 | [diff] [blame] | 12 | import junit.framework.TestCase; |
| 13 | |
| 14 | import java.io.BufferedInputStream; |
| 15 | import java.io.BufferedOutputStream; |
| 16 | import java.io.ByteArrayInputStream; |
| 17 | import java.io.ByteArrayOutputStream; |
| 18 | import java.io.ObjectInputStream; |
| 19 | import java.io.ObjectOutputStream; |
| 20 | import java.util.ArrayList; |
| 21 | import java.util.Arrays; |
| 22 | import java.util.Collection; |
| 23 | import java.util.Iterator; |
| 24 | import java.util.Map; |
| 25 | import java.util.Set; |
| 26 | |
| 27 | /** |
| 28 | * ConcurrentHashMap tests copied from ConcurrentHashMapTest. Useful as a |
| 29 | * test case for CustomConcurrentHashMap. |
| 30 | */ |
| 31 | public class Jsr166HashMapTest extends TestCase { |
| 32 | |
| 33 | /* |
| 34 | * The following two methods and constants were copied from JSR166TestCase. |
| 35 | */ |
| 36 | |
| 37 | /** |
| 38 | * fail with message "should throw exception" |
| 39 | */ |
| 40 | public void shouldThrow() { |
| 41 | fail("Should throw exception"); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * fail with message "Unexpected exception" |
| 46 | */ |
| 47 | public void unexpectedException() { |
| 48 | fail("Unexpected exception"); |
| 49 | } |
| 50 | |
| 51 | static final Integer zero = new Integer(0); |
| 52 | static final Integer one = new Integer(1); |
| 53 | static final Integer two = new Integer(2); |
| 54 | static final Integer three = new Integer(3); |
| 55 | static final Integer four = new Integer(4); |
| 56 | static final Integer five = new Integer(5); |
| 57 | static final Integer six = new Integer(6); |
| 58 | static final Integer seven = new Integer(7); |
| 59 | static final Integer eight = new Integer(8); |
| 60 | static final Integer nine = new Integer(9); |
| 61 | static final Integer m1 = new Integer(-1); |
| 62 | static final Integer m2 = new Integer(-2); |
| 63 | static final Integer m3 = new Integer(-3); |
| 64 | static final Integer m4 = new Integer(-4); |
| 65 | static final Integer m5 = new Integer(-5); |
| 66 | static final Integer m6 = new Integer(-6); |
| 67 | static final Integer m10 = new Integer(-10); |
| 68 | |
| 69 | /** |
| 70 | * Create a map from Integers 1-5 to Strings "A"-"E". |
| 71 | */ |
| 72 | private static Jsr166HashMap map5() { |
| 73 | Jsr166HashMap map = new Jsr166HashMap(5); |
| 74 | assertTrue(map.isEmpty()); |
| 75 | map.put(one, "A"); |
| 76 | map.put(two, "B"); |
| 77 | map.put(three, "C"); |
| 78 | map.put(four, "D"); |
| 79 | map.put(five, "E"); |
| 80 | assertFalse(map.isEmpty()); |
| 81 | assertEquals(5, map.size()); |
| 82 | return map; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * clear removes all pairs |
| 87 | */ |
| 88 | public void testClear() { |
| 89 | Jsr166HashMap map = map5(); |
| 90 | map.clear(); |
| 91 | assertEquals(map.size(), 0); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Maps with same contents are equal |
| 96 | */ |
| 97 | public void testEquals() { |
| 98 | Jsr166HashMap map1 = map5(); |
| 99 | Jsr166HashMap map2 = map5(); |
| 100 | assertEquals(map1, map2); |
| 101 | assertEquals(map2, map1); |
| 102 | map1.clear(); |
| 103 | assertFalse(map1.equals(map2)); |
| 104 | assertFalse(map2.equals(map1)); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * containsKey returns true for contained key |
| 109 | */ |
| 110 | public void testContainsKey() { |
| 111 | Jsr166HashMap map = map5(); |
| 112 | assertTrue(map.containsKey(one)); |
| 113 | assertFalse(map.containsKey(zero)); |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * containsValue returns true for held values |
| 118 | */ |
| 119 | public void testContainsValue() { |
| 120 | Jsr166HashMap map = map5(); |
| 121 | assertTrue(map.containsValue("A")); |
| 122 | assertFalse(map.containsValue("Z")); |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * get returns the correct element at the given key, or null if not present |
| 127 | */ |
| 128 | public void testGet() { |
| 129 | Jsr166HashMap map = map5(); |
| 130 | assertEquals("A", (String) map.get(one)); |
| 131 | Jsr166HashMap empty = new Jsr166HashMap(); |
| 132 | assertNull(map.get("anything")); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * isEmpty is true of empty map and false for non-empty |
| 137 | */ |
| 138 | public void testIsEmpty() { |
| 139 | Jsr166HashMap empty = new Jsr166HashMap(); |
| 140 | Jsr166HashMap map = map5(); |
| 141 | assertTrue(empty.isEmpty()); |
| 142 | assertFalse(map.isEmpty()); |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * keySet returns a Set containing all the keys |
| 147 | */ |
| 148 | public void testKeySet() { |
| 149 | Jsr166HashMap map = map5(); |
| 150 | Set s = map.keySet(); |
| 151 | assertEquals(5, s.size()); |
| 152 | assertTrue(s.contains(one)); |
| 153 | assertTrue(s.contains(two)); |
| 154 | assertTrue(s.contains(three)); |
| 155 | assertTrue(s.contains(four)); |
| 156 | assertTrue(s.contains(five)); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * keySet.toArray returns contains all keys |
| 161 | */ |
| 162 | public void testKeySetToArray() { |
| 163 | Jsr166HashMap map = map5(); |
| 164 | Set s = map.keySet(); |
| 165 | Object[] ar = s.toArray(); |
| 166 | assertTrue(s.containsAll(Arrays.asList(ar))); |
| 167 | assertEquals(5, ar.length); |
| 168 | ar[0] = m10; |
| 169 | assertFalse(s.containsAll(Arrays.asList(ar))); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Values.toArray contains all values |
| 174 | */ |
| 175 | public void testValuesToArray() { |
| 176 | Jsr166HashMap map = map5(); |
| 177 | Collection v = map.values(); |
| 178 | Object[] ar = v.toArray(); |
| 179 | ArrayList s = new ArrayList(Arrays.asList(ar)); |
| 180 | assertEquals(5, ar.length); |
| 181 | assertTrue(s.contains("A")); |
| 182 | assertTrue(s.contains("B")); |
| 183 | assertTrue(s.contains("C")); |
| 184 | assertTrue(s.contains("D")); |
| 185 | assertTrue(s.contains("E")); |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * entrySet.toArray contains all entries |
| 190 | */ |
| 191 | public void testEntrySetToArray() { |
| 192 | Jsr166HashMap map = map5(); |
| 193 | Set s = map.entrySet(); |
| 194 | Object[] ar = s.toArray(); |
| 195 | assertEquals(5, ar.length); |
| 196 | for (int i = 0; i < 5; ++i) { |
| 197 | assertTrue(map.containsKey(((Map.Entry) (ar[i])).getKey())); |
| 198 | assertTrue(map.containsValue(((Map.Entry) (ar[i])).getValue())); |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * values collection contains all values |
| 204 | */ |
| 205 | public void testValues() { |
| 206 | Jsr166HashMap map = map5(); |
| 207 | Collection s = map.values(); |
| 208 | assertEquals(5, s.size()); |
| 209 | assertTrue(s.contains("A")); |
| 210 | assertTrue(s.contains("B")); |
| 211 | assertTrue(s.contains("C")); |
| 212 | assertTrue(s.contains("D")); |
| 213 | assertTrue(s.contains("E")); |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * entrySet contains all pairs |
| 218 | */ |
| 219 | public void testEntrySet() { |
| 220 | Jsr166HashMap map = map5(); |
| 221 | Set s = map.entrySet(); |
| 222 | assertEquals(5, s.size()); |
| 223 | Iterator it = s.iterator(); |
| 224 | while (it.hasNext()) { |
| 225 | Map.Entry e = (Map.Entry) it.next(); |
| 226 | assertTrue( |
| 227 | (e.getKey().equals(one) && e.getValue().equals("A")) || |
| 228 | (e.getKey().equals(two) && e.getValue().equals("B")) |
| 229 | || |
| 230 | (e.getKey().equals(three) && e.getValue() |
| 231 | .equals("C")) || |
| 232 | (e.getKey().equals(four) && e.getValue() |
| 233 | .equals("D")) || |
| 234 | (e.getKey().equals(five) && e.getValue() |
| 235 | .equals("E"))); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * putAll adds all key-value pairs from the given map |
| 241 | */ |
| 242 | public void testPutAll() { |
| 243 | Jsr166HashMap empty = new Jsr166HashMap(); |
| 244 | Jsr166HashMap map = map5(); |
| 245 | empty.putAll(map); |
| 246 | assertEquals(5, empty.size()); |
| 247 | assertTrue(empty.containsKey(one)); |
| 248 | assertTrue(empty.containsKey(two)); |
| 249 | assertTrue(empty.containsKey(three)); |
| 250 | assertTrue(empty.containsKey(four)); |
| 251 | assertTrue(empty.containsKey(five)); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * putIfAbsent works when the given key is not present |
| 256 | */ |
| 257 | public void testPutIfAbsent() { |
| 258 | Jsr166HashMap map = map5(); |
| 259 | map.putIfAbsent(six, "Z"); |
| 260 | assertTrue(map.containsKey(six)); |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * putIfAbsent does not add the pair if the key is already present |
| 265 | */ |
| 266 | public void testPutIfAbsent2() { |
| 267 | Jsr166HashMap map = map5(); |
| 268 | assertEquals("A", map.putIfAbsent(one, "Z")); |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * replace fails when the given key is not present |
| 273 | */ |
| 274 | public void testReplace() { |
| 275 | Jsr166HashMap map = map5(); |
| 276 | assertNull(map.replace(six, "Z")); |
| 277 | assertFalse(map.containsKey(six)); |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * replace succeeds if the key is already present |
| 282 | */ |
| 283 | public void testReplace2() { |
| 284 | Jsr166HashMap map = map5(); |
| 285 | assertNotNull(map.replace(one, "Z")); |
| 286 | assertEquals("Z", map.get(one)); |
| 287 | } |
| 288 | |
| 289 | |
| 290 | /** |
| 291 | * replace value fails when the given key not mapped to expected value |
| 292 | */ |
| 293 | public void testReplaceValue() { |
| 294 | Jsr166HashMap map = map5(); |
| 295 | assertEquals("A", map.get(one)); |
| 296 | assertFalse(map.replace(one, "Z", "Z")); |
| 297 | assertEquals("A", map.get(one)); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * replace value succeeds when the given key mapped to expected value |
| 302 | */ |
| 303 | public void testReplaceValue2() { |
| 304 | Jsr166HashMap map = map5(); |
| 305 | assertEquals("A", map.get(one)); |
| 306 | assertTrue(map.replace(one, "A", "Z")); |
| 307 | assertEquals("Z", map.get(one)); |
| 308 | } |
| 309 | |
| 310 | |
| 311 | /** |
| 312 | * remove removes the correct key-value pair from the map |
| 313 | */ |
| 314 | public void testRemove() { |
| 315 | Jsr166HashMap map = map5(); |
| 316 | map.remove(five); |
| 317 | assertEquals(4, map.size()); |
| 318 | assertFalse(map.containsKey(five)); |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * remove(key,value) removes only if pair present |
| 323 | */ |
| 324 | public void testRemove2() { |
| 325 | Jsr166HashMap map = map5(); |
| 326 | map.remove(five, "E"); |
| 327 | assertEquals(4, map.size()); |
| 328 | assertFalse(map.containsKey(five)); |
| 329 | map.remove(four, "A"); |
| 330 | assertEquals(4, map.size()); |
| 331 | assertTrue(map.containsKey(four)); |
| 332 | |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * size returns the correct values |
| 337 | */ |
| 338 | public void testSize() { |
| 339 | Jsr166HashMap map = map5(); |
| 340 | Jsr166HashMap empty = new Jsr166HashMap(); |
| 341 | assertEquals(0, empty.size()); |
| 342 | assertEquals(5, map.size()); |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * toString contains toString of elements |
| 347 | */ |
| 348 | public void testToString() { |
| 349 | Jsr166HashMap map = map5(); |
| 350 | String s = map.toString(); |
| 351 | for (int i = 1; i <= 5; ++i) { |
| 352 | assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | // Exception tests |
| 357 | |
| 358 | /** |
| 359 | * Cannot create with negative capacity |
| 360 | */ |
| 361 | public void testConstructor1() { |
| 362 | try { |
| 363 | new Jsr166HashMap(-1, 0, 1); |
| 364 | shouldThrow(); |
| 365 | } catch (IllegalArgumentException e) { |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Cannot create with negative concurrency level |
| 371 | */ |
| 372 | public void testConstructor2() { |
| 373 | try { |
| 374 | new Jsr166HashMap(1, 0, -1); |
| 375 | shouldThrow(); |
| 376 | } catch (IllegalArgumentException e) { |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * Cannot create with only negative capacity |
| 382 | */ |
| 383 | public void testConstructor3() { |
| 384 | try { |
| 385 | new Jsr166HashMap(-1); |
| 386 | shouldThrow(); |
| 387 | } catch (IllegalArgumentException e) { |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * get(null) throws NPE |
| 393 | */ |
| 394 | public void testGet_NullPointerException() { |
| 395 | try { |
| 396 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 397 | c.get(null); |
| 398 | shouldThrow(); |
| 399 | } catch (NullPointerException e) { |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * containsKey(null) throws NPE |
| 405 | */ |
| 406 | public void testContainsKey_NullPointerException() { |
| 407 | try { |
| 408 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 409 | c.containsKey(null); |
| 410 | shouldThrow(); |
| 411 | } catch (NullPointerException e) { |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * containsValue(null) throws NPE |
| 417 | */ |
| 418 | public void testContainsValue_NullPointerException() { |
| 419 | try { |
| 420 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 421 | c.containsValue(null); |
| 422 | shouldThrow(); |
| 423 | } catch (NullPointerException e) { |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * put(null,x) throws NPE |
| 429 | */ |
| 430 | public void testPut1_NullPointerException() { |
| 431 | try { |
| 432 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 433 | c.put(null, "whatever"); |
| 434 | shouldThrow(); |
| 435 | } catch (NullPointerException e) { |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | /** |
| 440 | * put(x, null) throws NPE |
| 441 | */ |
| 442 | public void testPut2_NullPointerException() { |
| 443 | try { |
| 444 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 445 | c.put("whatever", null); |
| 446 | shouldThrow(); |
| 447 | } catch (NullPointerException e) { |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * putIfAbsent(null, x) throws NPE |
| 453 | */ |
| 454 | public void testPutIfAbsent1_NullPointerException() { |
| 455 | try { |
| 456 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 457 | c.putIfAbsent(null, "whatever"); |
| 458 | shouldThrow(); |
| 459 | } catch (NullPointerException e) { |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * replace(null, x) throws NPE |
| 465 | */ |
| 466 | public void testReplace_NullPointerException() { |
| 467 | try { |
| 468 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 469 | c.replace(null, "whatever"); |
| 470 | shouldThrow(); |
| 471 | } catch (NullPointerException e) { |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | /** |
| 476 | * replace(null, x, y) throws NPE |
| 477 | */ |
| 478 | public void testReplaceValue_NullPointerException() { |
| 479 | try { |
| 480 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 481 | c.replace(null, one, "whatever"); |
| 482 | shouldThrow(); |
| 483 | } catch (NullPointerException e) { |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * putIfAbsent(x, null) throws NPE |
| 489 | */ |
| 490 | public void testPutIfAbsent2_NullPointerException() { |
| 491 | try { |
| 492 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 493 | c.putIfAbsent("whatever", null); |
| 494 | shouldThrow(); |
| 495 | } catch (NullPointerException e) { |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | |
| 500 | /** |
| 501 | * replace(x, null) throws NPE |
| 502 | */ |
| 503 | public void testReplace2_NullPointerException() { |
| 504 | try { |
| 505 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 506 | c.replace("whatever", null); |
| 507 | shouldThrow(); |
| 508 | } catch (NullPointerException e) { |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * replace(x, null, y) throws NPE |
| 514 | */ |
| 515 | public void testReplaceValue2_NullPointerException() { |
| 516 | try { |
| 517 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 518 | c.replace("whatever", null, "A"); |
| 519 | shouldThrow(); |
| 520 | } catch (NullPointerException e) { |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * replace(x, y, null) throws NPE |
| 526 | */ |
| 527 | public void testReplaceValue3_NullPointerException() { |
| 528 | try { |
| 529 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 530 | c.replace("whatever", one, null); |
| 531 | shouldThrow(); |
| 532 | } catch (NullPointerException e) { |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | |
| 537 | /** |
| 538 | * remove(null) throws NPE |
| 539 | */ |
| 540 | public void testRemove1_NullPointerException() { |
| 541 | try { |
| 542 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 543 | c.put("sadsdf", "asdads"); |
| 544 | c.remove(null); |
| 545 | shouldThrow(); |
| 546 | } catch (NullPointerException e) { |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * remove(null, x) throws NPE |
| 552 | */ |
| 553 | public void testRemove2_NullPointerException() { |
| 554 | try { |
| 555 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 556 | c.put("sadsdf", "asdads"); |
| 557 | c.remove(null, "whatever"); |
| 558 | shouldThrow(); |
| 559 | } catch (NullPointerException e) { |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * remove(x, null) returns false |
| 565 | */ |
| 566 | public void testRemove3() { |
| 567 | try { |
| 568 | Jsr166HashMap c = new Jsr166HashMap(5); |
| 569 | c.put("sadsdf", "asdads"); |
| 570 | assertFalse(c.remove("sadsdf", null)); |
| 571 | } catch (NullPointerException e) { |
| 572 | fail(); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * A deserialized map equals original |
| 578 | */ |
| 579 | public void testSerialization() { |
| 580 | Jsr166HashMap q = map5(); |
| 581 | |
| 582 | try { |
| 583 | ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
| 584 | ObjectOutputStream out = |
| 585 | new ObjectOutputStream(new BufferedOutputStream(bout)); |
| 586 | out.writeObject(q); |
| 587 | out.close(); |
| 588 | |
| 589 | ByteArrayInputStream bin = |
| 590 | new ByteArrayInputStream(bout.toByteArray()); |
| 591 | ObjectInputStream in = |
| 592 | new ObjectInputStream(new BufferedInputStream(bin)); |
| 593 | Jsr166HashMap r = (Jsr166HashMap) in.readObject(); |
| 594 | assertEquals(q.size(), r.size()); |
| 595 | assertTrue(q.equals(r)); |
| 596 | assertTrue(r.equals(q)); |
| 597 | } catch (Exception e) { |
| 598 | e.printStackTrace(); |
| 599 | unexpectedException(); |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | |
| 604 | /** |
| 605 | * SetValue of an EntrySet entry sets value in the map. |
| 606 | */ |
| 607 | public void testSetValueWriteThrough() { |
| 608 | // Adapted from a bug report by Eric Zoerner |
| 609 | Jsr166HashMap map = new Jsr166HashMap(2, 5.0f, 1); |
| 610 | assertTrue(map.isEmpty()); |
| 611 | for (int i = 0; i < 20; i++) { |
| 612 | map.put(new Integer(i), new Integer(i)); |
| 613 | } |
| 614 | assertFalse(map.isEmpty()); |
| 615 | Map.Entry entry1 = (Map.Entry) map.entrySet().iterator().next(); |
| 616 | |
| 617 | // assert that entry1 is not 16 |
| 618 | assertTrue("entry is 16, test not valid", |
| 619 | !entry1.getKey().equals(new Integer(16))); |
| 620 | |
| 621 | // remove 16 (a different key) from map |
| 622 | // which just happens to cause entry1 to be cloned in map |
| 623 | map.remove(new Integer(16)); |
| 624 | entry1.setValue("XYZ"); |
| 625 | assertTrue(map.containsValue("XYZ")); // fails |
| 626 | } |
| 627 | |
| 628 | } |