1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package libcore.java.util.prefs; 18 19 import java.io.ByteArrayInputStream; 20 import java.io.ByteArrayOutputStream; 21 import java.io.File; 22 import java.io.IOException; 23 import java.util.prefs.AbstractPreferences; 24 import java.util.prefs.BackingStoreException; 25 import java.util.prefs.InvalidPreferencesFormatException; 26 import java.util.prefs.NodeChangeEvent; 27 import java.util.prefs.NodeChangeListener; 28 import java.util.prefs.PreferenceChangeEvent; 29 import java.util.prefs.PreferenceChangeListener; 30 import java.util.prefs.Preferences; 31 import java.util.prefs.PreferencesFactory; 32 33 import junit.framework.TestCase; 34 import libcore.io.IoUtils; 35 36 public final class OldAbstractPreferencesTest extends TestCase { 37 38 static final String nodeName = "mock"; 39 40 /** Timeout used for Object.wait when no action is expected. */ 41 static final long NO_ACTION_EXPECTED_TIMEOUT = 200; 42 43 /** Timeout used for Object.wait when an action is expected. */ 44 static final long ACTION_EXPECTED_TIMEOUT = 0; // Wait indefinitely 45 46 private PreferencesFactory defaultFactory; 47 48 AbstractPreferences pref; 49 AbstractPreferences root; 50 AbstractPreferences parent = null; 51 52 protected void setUp() throws Exception { 53 super.setUp(); 54 55 File tmpDir = IoUtils.createTemporaryDirectory("OldAbstractPreferencesTest"); 56 defaultFactory = Preferences.setPreferencesFactory( 57 new PreferencesTest.TestPreferencesFactory(tmpDir.getAbsolutePath())); 58 59 root = (AbstractPreferences) Preferences.userRoot(); 60 assertEquals(0, root.childrenNames().length); 61 assertEquals(0, root.keys().length); 62 63 parent = (AbstractPreferences) Preferences.userNodeForPackage(getClass()); 64 pref = (AbstractPreferences) parent.node(nodeName); 65 } 66 67 @Override 68 public void tearDown() throws Exception { 69 Preferences.setPreferencesFactory(defaultFactory); 70 super.tearDown(); 71 } 72 73 public void testToString() { 74 assertTrue(pref.toString().contains(nodeName)); 75 } 76 77 public void testPut() throws BackingStoreException { 78 pref.put("Value", "String"); 79 pref.flush(); 80 81 assertEquals("String", pref.get("Value", ":")); 82 83 try { 84 pref.put(null, "Exception"); 85 fail("NullPointerException expected"); 86 } catch (NullPointerException e) { 87 //expected 88 } 89 90 int i; 91 StringBuffer sb = new StringBuffer(); 92 93 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 94 sb.append('c'); 95 } 96 97 try { 98 pref.put(new String(sb), "Exception"); 99 fail("IllegalArgumentException expected"); 100 } catch (IllegalArgumentException e) { 101 //expected 102 } 103 104 sb = new StringBuffer(); 105 106 for (i = 0; i < Preferences.MAX_VALUE_LENGTH + 1; i++) { 107 sb.append('c'); 108 } 109 110 try { 111 pref.put("DoubleValue", new String(sb)); 112 fail("IllegalArgumentException expected"); 113 } catch (IllegalArgumentException e) { 114 //expected 115 } 116 117 pref.removeNode(); 118 119 try { 120 pref.put("DoubleValue", "Exception"); 121 fail("IllegalStateException expected"); 122 } catch (IllegalStateException e) { 123 //expected 124 } 125 } 126 127 public void testGet() throws BackingStoreException { 128 pref.put("Value", "String"); 129 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 130 pref.putBoolean("BoolValue", true); 131 pref.flush(); 132 133 assertEquals("String", pref.get("Value", ":")); 134 assertEquals("true", pref.get("BoolValue", ":")); 135 assertEquals("9.10938188E-31", pref.get("DoubleValue", null)); 136 137 try { 138 pref.get(null, "Exception"); 139 fail("NullPointerException expected"); 140 } catch (NullPointerException e) { 141 //expected 142 } 143 144 pref.removeNode(); 145 146 try { 147 pref.get("DoubleValue", "Exception"); 148 fail("IllegalStateException expected"); 149 } catch (IllegalStateException e) { 150 //expected 151 } 152 } 153 154 public void testRemove() throws BackingStoreException { 155 String[] keyArray = new String[]{"Value", "DoubleValue", "LongValue", "IntValue"}; 156 pref.put(keyArray[0], "String"); 157 pref.putDouble(keyArray[1], new Double(9.10938188e-31)); 158 pref.putLong(keyArray[2], new Long(Long.MIN_VALUE)); 159 pref.putInt(keyArray[3], 299792458); 160 pref.node("New node"); 161 pref.flush(); 162 163 String[] str = pref.keys(); 164 assertEquals(keyArray.length, str.length); 165 for(int i = 0; i < keyArray.length; i++) { 166 pref.remove(keyArray[i]); 167 str = pref.keys(); 168 assertEquals(keyArray.length - i - 1, str.length); 169 } 170 assertEquals(1, pref.childrenNames().length); 171 pref.remove("New node"); 172 assertEquals(1, pref.childrenNames().length); 173 174 pref.removeNode(); 175 176 try { 177 pref.remove("New node"); 178 fail("IllegalStateException expected"); 179 } catch (IllegalStateException e) { 180 //expected 181 } 182 } 183 184 public void testClear() throws BackingStoreException { 185 AbstractPreferences ap = (AbstractPreferences) pref.node("New node"); 186 pref.putInt("IntValue", 33); 187 pref.putBoolean("BoolValue", true); 188 pref.flush(); 189 assertTrue(pref.getBoolean("BoolValue", false)); 190 assertEquals(33, pref.getInt("IntValue", 22)); 191 assertEquals(1, pref.childrenNames().length); 192 pref.clear(); 193 assertFalse(pref.getBoolean("BoolValue", false)); 194 assertEquals(22, pref.getInt("IntValue", 22)); 195 assertEquals(1, pref.childrenNames().length); 196 197 pref.removeNode(); 198 199 try { 200 pref.clear(); 201 fail("IllegalStateException expected"); 202 } catch (IllegalStateException e) { 203 //expected 204 } 205 206 try { 207 ap.clear(); 208 fail("IllegalStateException expected"); 209 } catch (IllegalStateException e) { 210 //expected 211 } 212 } 213 214 public void testPutInt() throws BackingStoreException { 215 pref.putInt("IntValue", 299792458); 216 pref.flush(); 217 218 assertEquals(299792458, pref.getInt("IntValue", new Integer(1))); 219 220 try { 221 pref.putInt(null, new Integer(1)); 222 fail("NullPointerException expected"); 223 } catch (NullPointerException e) { 224 //expected 225 } 226 227 int i; 228 StringBuffer sb = new StringBuffer(); 229 230 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 231 sb.append('c'); 232 } 233 234 try { 235 pref.putInt(new String(sb), new Integer(1)); 236 fail("IllegalArgumentException expected"); 237 } catch (IllegalArgumentException e) { 238 //expected 239 } 240 241 pref.removeNode(); 242 243 try { 244 pref.putInt("IntValue", new Integer(1)); 245 fail("IllegalStateException expected"); 246 } catch (IllegalStateException e) { 247 //expected 248 } 249 } 250 251 public void testGetInt() throws BackingStoreException { 252 pref.put("Value", "String"); 253 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 254 pref.putLong("LongValue", new Long(Long.MIN_VALUE)); 255 pref.putInt("IntValue", 299792458); 256 pref.flush(); 257 258 assertEquals(1, pref.getInt("Value", new Integer(1))); 259 assertEquals(1, pref.getInt("LongValue", new Integer(1))); 260 assertEquals(1, pref.getInt("DoubleValue", new Integer(1))); 261 assertEquals(299792458, pref.getInt("IntValue", new Integer(1))); 262 263 try { 264 pref.getInt(null, new Integer(1)); 265 fail("NullPointerException expected"); 266 } catch (NullPointerException e) { 267 //expected 268 } 269 270 pref.removeNode(); 271 272 try { 273 pref.getInt("IntValue", new Integer(1)); 274 fail("IllegalStateException expected"); 275 } catch (IllegalStateException e) { 276 //expected 277 } 278 } 279 280 public void testPutLong() throws BackingStoreException { 281 pref.putLong("LongValue", new Long(299792458)); 282 pref.flush(); 283 284 assertEquals(299792458L, pref.getLong("LongValue", new Long(1))); 285 286 try { 287 pref.putLong(null, new Long(1)); 288 fail("NullPointerException expected"); 289 } catch (NullPointerException e) { 290 //expected 291 } 292 293 int i; 294 StringBuffer sb = new StringBuffer(); 295 296 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 297 sb.append('c'); 298 } 299 300 try { 301 pref.putLong(new String(sb), new Long(1)); 302 fail("IllegalArgumentException expected"); 303 } catch (IllegalArgumentException e) { 304 //expected 305 } 306 307 pref.removeNode(); 308 309 try { 310 pref.putLong("LongValue", new Long(1)); 311 fail("IllegalStateException expected"); 312 } catch (IllegalStateException e) { 313 //expected 314 } 315 } 316 317 public void testGetLong() throws BackingStoreException { 318 pref.put("Value", "String"); 319 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 320 pref.putLong("LongValue", new Long(Long.MIN_VALUE)); 321 pref.putInt("IntValue", 299792458); 322 pref.flush(); 323 324 assertEquals(1L, pref.getLong("Value", new Long(1))); 325 assertEquals(Long.MIN_VALUE, pref.getLong("LongValue", new Long(1))); 326 assertEquals(1L, pref.getLong("DoubleValue", new Long(1))); 327 assertEquals(299792458L, pref.getLong("IntValue", new Long(1))); 328 329 try { 330 pref.getLong(null, new Long(1)); 331 fail("NullPointerException expected"); 332 } catch (NullPointerException e) { 333 //expected 334 } 335 336 pref.removeNode(); 337 338 try { 339 pref.getLong("LongValue", new Long(1)); 340 fail("IllegalStateException expected"); 341 } catch (IllegalStateException e) { 342 //expected 343 } 344 } 345 346 public void testPutBoolean() throws BackingStoreException { 347 pref.putBoolean("BoolValue", true); 348 pref.flush(); 349 350 assertTrue(pref.getBoolean("BoolValue", false)); 351 352 try { 353 pref.putBoolean(null, true); 354 fail("NullPointerException expected"); 355 } catch (NullPointerException e) { 356 //expected 357 } 358 359 int i; 360 StringBuffer sb = new StringBuffer(); 361 362 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 363 sb.append('c'); 364 } 365 366 try { 367 pref.putBoolean(new String(sb), true); 368 fail("IllegalArgumentException expected"); 369 } catch (IllegalArgumentException e) { 370 //expected 371 } 372 373 pref.removeNode(); 374 375 try { 376 pref.putBoolean("DoubleValue", true); 377 fail("IllegalStateException expected"); 378 } catch (IllegalStateException e) { 379 //expected 380 } 381 } 382 383 public void testGetBoolean() throws BackingStoreException { 384 pref.put("Value", "String"); 385 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 386 pref.putBoolean("BoolValue", true); 387 pref.flush(); 388 389 assertFalse(pref.getBoolean("Value", false)); 390 assertTrue(pref.getBoolean("BoolValue", false)); 391 assertFalse(pref.getBoolean("DoubleValue", false)); 392 393 try { 394 pref.getBoolean(null, true); 395 fail("NullPointerException expected"); 396 } catch (NullPointerException e) { 397 //expected 398 } 399 400 pref.removeNode(); 401 402 try { 403 pref.getBoolean("DoubleValue", true); 404 fail("IllegalStateException expected"); 405 } catch (IllegalStateException e) { 406 //expected 407 } 408 } 409 410 public void testPutFloat() throws BackingStoreException { 411 pref.putFloat("FloatValue", new Float(1.602e-19)); 412 pref.flush(); 413 414 assertEquals(new Float(1.602e-19), pref.getFloat("FloatValue", new Float(0.2))); 415 416 try { 417 pref.putFloat(null, new Float(0.1)); 418 fail("NullPointerException expected"); 419 } catch (NullPointerException e) { 420 //expected 421 } 422 423 int i; 424 StringBuffer sb = new StringBuffer(); 425 426 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 427 sb.append('c'); 428 } 429 430 try { 431 pref.putFloat(new String(sb), new Float(0.1)); 432 fail("IllegalArgumentException expected"); 433 } catch (IllegalArgumentException e) { 434 //expected 435 } 436 437 pref.removeNode(); 438 439 try { 440 pref.putFloat("FloatValue", new Float(0.1)); 441 fail("IllegalStateException expected"); 442 } catch (IllegalStateException e) { 443 //expected 444 } 445 } 446 447 public void testGetFloat() throws BackingStoreException { 448 pref.put("Value", "String"); 449 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 450 pref.putFloat("FloatValue", new Float(-0.123)); 451 pref.putInt("IntValue", 299792458); 452 pref.flush(); 453 454 assertEquals(new Float(0.1), pref.getFloat("Value", new Float(0.1))); 455 assertEquals(new Float(-0.123), pref.getFloat("FloatValue", new Float(0.2))); 456 assertEquals(new Float(9.109382e-31), pref.getFloat("DoubleValue", new Float(2.14))); 457 assertEquals(new Float(2.99792448e8), pref.getFloat("IntValue", new Float(5))); 458 459 try { 460 pref.getFloat(null, new Float(0.1)); 461 fail("NullPointerException expected"); 462 } catch (NullPointerException e) { 463 //expected 464 } 465 466 pref.removeNode(); 467 468 try { 469 pref.getFloat("FloatValue", new Float(0.1)); 470 fail("IllegalStateException expected"); 471 } catch (IllegalStateException e) { 472 //expected 473 } 474 } 475 476 public void testPutDouble() throws BackingStoreException { 477 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 478 pref.flush(); 479 480 assertEquals(new Double(9.10938188e-31), pref.getDouble("DoubleValue", new Double(2.14))); 481 482 try { 483 pref.putDouble(null, new Double(0.1)); 484 fail("NullPointerException expected"); 485 } catch (NullPointerException e) { 486 //expected 487 } 488 489 int i; 490 StringBuffer sb = new StringBuffer(); 491 492 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 493 sb.append('c'); 494 } 495 496 try { 497 pref.putDouble(new String(sb), new Double(0.1)); 498 fail("IllegalArgumentException expected"); 499 } catch (IllegalArgumentException e) { 500 //expected 501 } 502 503 pref.removeNode(); 504 505 try { 506 pref.putDouble("DoubleValue", new Double(0.1)); 507 fail("IllegalStateException expected"); 508 } catch (IllegalStateException e) { 509 //expected 510 } 511 } 512 513 public void testGetDouble() throws BackingStoreException { 514 pref.put("Value", "String"); 515 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 516 pref.putBoolean("BoolValue", true); 517 pref.putInt("IntValue", 299792458); 518 pref.flush(); 519 520 assertEquals(new Double(0.1), pref.getDouble("Value", new Double(0.1))); 521 assertEquals(new Double(0.2), pref.getDouble("BoolValue", new Double(0.2))); 522 assertEquals(new Double(9.10938188e-31), pref.getDouble("DoubleValue", new Double(2.14))); 523 assertEquals(new Double(2.99792458e8), pref.getDouble("IntValue", new Double(5))); 524 525 try { 526 pref.getDouble(null, new Double(0.1)); 527 fail("NullPointerException expected"); 528 } catch (NullPointerException e) { 529 //expected 530 } 531 532 pref.removeNode(); 533 534 try { 535 pref.getDouble("DoubleValue", new Double(0.1)); 536 fail("IllegalStateException expected"); 537 } catch (IllegalStateException e) { 538 //expected 539 } 540 } 541 542 public void testPutByteArray() throws BackingStoreException { 543 byte[] bArray = new byte[]{1, 2, 3, 4, 5}; 544 byte[] array = null; 545 int i; 546 pref.putByteArray("Array", bArray); 547 pref.flush(); 548 549 array = pref.getByteArray("Array", null); 550 assertEquals(bArray.length, array.length); 551 for(i = 0; i < bArray.length; i++) { 552 assertEquals(bArray[i], array[i]); 553 } 554 555 try { 556 pref.putByteArray(null, bArray); 557 fail("NullPointerException expected"); 558 } catch (NullPointerException e) { 559 //expected 560 } 561 562 StringBuffer sb = new StringBuffer(); 563 564 for (i = 0; i < Preferences.MAX_KEY_LENGTH + 1; i++) { 565 sb.append('c'); 566 } 567 568 try { 569 pref.putByteArray(new String(sb), bArray); 570 fail("IllegalArgumentException expected"); 571 } catch (IllegalArgumentException e) { 572 //expected 573 } 574 575 bArray = new byte[Preferences.MAX_VALUE_LENGTH * 3 / 4 + 1]; 576 577 try { 578 pref.putByteArray("Big array", bArray); 579 fail("IllegalArgumentException expected"); 580 } catch (IllegalArgumentException e) { 581 //expected 582 } 583 584 pref.removeNode(); 585 586 try { 587 pref.putByteArray("Array", new byte[10]); 588 fail("IllegalStateException expected"); 589 } catch (IllegalStateException e) { 590 //expected 591 } 592 } 593 594 public void testGetByteArray() throws BackingStoreException { 595 byte[] bArray = new byte[]{1, 2, 3, 4, 5}; 596 byte[] tmp = new byte[]{5}; 597 byte[] array = null; 598 int i; 599 pref.put("Value", "String"); 600 pref.putDouble("DoubleValue", new Double(9.10938188e-31)); 601 pref.putByteArray("Array", bArray); 602 pref.flush(); 603 604 array = pref.getByteArray("Value", tmp); 605 assertEquals(tmp.length, array.length); 606 for(i = 0; i < tmp.length; i++) { 607 assertEquals(tmp[i], array[i]); 608 } 609 610 array = pref.getByteArray("DoubleValue", tmp); 611 assertEquals(tmp.length, array.length); 612 for(i = 0; i < tmp.length; i++) { 613 assertEquals(tmp[i], array[i]); 614 } 615 616 array = pref.getByteArray("Array", tmp); 617 assertEquals(bArray.length, array.length); 618 for(i = 0; i < bArray.length; i++) { 619 assertEquals(bArray[i], array[i]); 620 } 621 622 try { 623 pref.getByteArray(null, tmp); 624 fail("NullPointerException expected"); 625 } catch (NullPointerException e) { 626 //expected 627 } 628 629 pref.removeNode(); 630 631 try { 632 pref.getByteArray("Array", tmp); 633 fail("IllegalStateException expected"); 634 } catch (IllegalStateException e) { 635 //expected 636 } 637 } 638 639 public void testKeys() throws BackingStoreException { 640 String[] keyArray = new String[]{"Value", "DoubleValue", "BoolValue", "IntValue"}; 641 String nodeStr = "New node"; 642 pref.node(nodeStr); 643 pref.put(keyArray[0], "String"); 644 pref.putDouble(keyArray[1], new Double(9.10938188e-31)); 645 pref.putBoolean(keyArray[2], true); 646 pref.putInt(keyArray[3], 299792458); 647 pref.flush(); 648 649 String[] str = pref.keys(); 650 assertEquals(keyArray.length, str.length); 651 for(int i = 0; i < str.length; i++) { 652 boolean flag = false; 653 for(int j = 0; j < keyArray.length; j++) { 654 if (str[i].compareTo(keyArray[j]) == 0) { 655 flag = true; 656 break; 657 } 658 } 659 assertTrue(str[i].compareTo(nodeStr) != 0); 660 assertTrue(flag); 661 } 662 663 pref.removeNode(); 664 665 try { 666 pref.keys(); 667 fail("IllegalStateException expected"); 668 } catch(IllegalStateException e) { 669 //expected 670 } 671 } 672 673 public void testChildrenNames() throws BackingStoreException { 674 AbstractPreferences first = (AbstractPreferences) pref.node("First node"); 675 AbstractPreferences second = (AbstractPreferences) pref.node("Second node"); 676 677 assertEquals(2, pref.childrenNames().length); 678 assertEquals(0, first.childrenNames().length); 679 assertEquals(0, second.childrenNames().length); 680 681 second.removeNode(); 682 683 try { 684 second.childrenNames(); 685 fail("IllegalStateException expected"); 686 } catch (IllegalStateException e) { 687 //expected 688 } 689 690 pref.removeNode(); 691 692 try { 693 first.childrenNames(); 694 fail("IllegalStateException expected"); 695 } catch (IllegalStateException e) { 696 //expected 697 } 698 } 699 700 public void test_nodeExists() throws BackingStoreException { 701 AbstractPreferences test = (AbstractPreferences) Preferences.userRoot() 702 .node("test"); 703 try { 704 test.nodeExists(null); 705 fail("should throw NullPointerException"); 706 } catch (NullPointerException e) { 707 // Expected 708 } 709 710 test.removeNode(); 711 try { 712 test.nodeExists(null); 713 fail("should throw NullPointerException"); 714 } catch (NullPointerException e) { 715 // Expected 716 } 717 } 718 719 public void testParent() throws BackingStoreException { 720 AbstractPreferences node = (AbstractPreferences) pref.node("First node/sub node"); 721 722 assertTrue(node.parent().name().compareTo("First node") == 0); 723 724 pref.removeNode(); 725 726 try { 727 node.parent(); 728 fail("IllegalStateException expected"); 729 } catch (IllegalStateException e) { 730 //expected 731 } 732 } 733 734 public void testNode() throws BackingStoreException { 735 AbstractPreferences first = (AbstractPreferences) pref.node("First node"); 736 AbstractPreferences second = (AbstractPreferences) pref.node("Second node"); 737 738 try { 739 first.node("blabla/"); 740 fail("IllegalArgumentException expected"); 741 } catch (IllegalArgumentException e) { 742 //expected 743 } 744 745 try { 746 first.node("///invalid"); 747 fail("IllegalArgumentException expected"); 748 } catch (IllegalArgumentException e) { 749 //expected 750 } 751 752 StringBuffer sb = new StringBuffer(); 753 754 for (int i = 0; i < Preferences.MAX_NAME_LENGTH; i++) { 755 sb.append('c'); 756 } 757 first.node(new String(sb)); 758 sb.append('c'); 759 760 try { 761 first.node(new String(sb)); 762 fail("IllegalArgumentException expected"); 763 } catch (IllegalArgumentException e) { 764 //expected 765 } 766 767 second.removeNode(); 768 769 try { 770 second.node(""); 771 fail("IllegalStateException expected"); 772 } catch (IllegalStateException e) { 773 //expected 774 } 775 pref.removeNode(); 776 try { 777 first.node(""); 778 fail("IllegalStateException expected"); 779 } catch (IllegalStateException e) { 780 //expected 781 } 782 } 783 784 public void testNodeExists() throws BackingStoreException { 785 AbstractPreferences ap1 = (AbstractPreferences) pref.node("First node"); 786 AbstractPreferences ap2 = (AbstractPreferences) pref.node("Second node"); 787 pref.putInt("IntegerValue", 33); 788 pref.putBoolean("BoolValue", true); 789 pref.flush(); 790 791 assertTrue(pref.nodeExists("First node")); 792 assertTrue(pref.nodeExists("Second node")); 793 assertFalse(pref.nodeExists("IntegerValue")); 794 assertFalse(pref.nodeExists("BoolValue")); 795 assertFalse(pref.nodeExists("Value")); 796 assertFalse(pref.nodeExists(nodeName)); 797 798 try { 799 pref.nodeExists("///invalid"); 800 fail("IllegalArgumentException expected"); 801 } catch (IllegalArgumentException e) { 802 //expected 803 } 804 805 pref.removeNode(); 806 807 try { 808 pref.nodeExists("Exception"); 809 fail("IllegalStateException expected"); 810 } catch (IllegalStateException e) { 811 //expected 812 } 813 } 814 815 public void testRemoveNode() throws BackingStoreException { 816 String[] nodeArray = new String[]{"First node", "Second node", "Last node"}; 817 int i; 818 pref.put("Key", "String"); 819 for (i = 0; i < nodeArray.length; i++) { 820 pref.node(nodeArray[i]); 821 } 822 pref.flush(); 823 824 String[] str = pref.childrenNames(); 825 assertEquals(nodeArray.length, str.length); 826 for(i = 0; i < nodeArray.length; i++) { 827 pref.node(nodeArray[i]).removeNode(); 828 str = pref.childrenNames(); 829 assertEquals(nodeArray.length - i - 1, str.length); 830 } 831 assertEquals(1, pref.keys().length); 832 pref.node("Key").removeNode(); 833 assertEquals(1, pref.keys().length); 834 835 pref.removeNode(); 836 837 try { 838 pref.removeNode(); 839 fail("IllegalStateException expected"); 840 } catch (IllegalStateException e) { 841 //expected 842 } 843 844 try { 845 root.removeNode(); 846 fail("UnsupportedOperationException expected"); 847 } catch (UnsupportedOperationException e) { 848 //expected 849 } 850 } 851 852 public void testName() { 853 AbstractPreferences first = (AbstractPreferences) pref.node("First node"); 854 AbstractPreferences second = (AbstractPreferences) pref.node("Second node/sub node"); 855 856 assertTrue(first.name().compareTo("First node") == 0); 857 assertFalse(first.name().compareTo("Second node") == 0); 858 assertTrue(second.name().compareTo("sub node") == 0); 859 } 860 861 public void testAbsolutePath() { 862 assertEquals(parent.absolutePath() + "/" + nodeName, pref.absolutePath()); 863 assertEquals(parent.absolutePath() + "/" + "new node", parent.node("new node").absolutePath()); 864 } 865 866 public void testIsUserNode() { 867 assertTrue(parent.isUserNode()); 868 assertFalse(Preferences.systemRoot().isUserNode()); 869 } 870 871 public void testSync() throws BackingStoreException { 872 pref.node("new node/sub node"); 873 pref.sync(); 874 875 pref.removeNode(); 876 877 try { 878 pref.sync(); 879 fail("IllegalStateException expected"); 880 } catch (IllegalStateException e) { 881 //expected 882 } 883 } 884 885 class MockPreferenceChangeListener implements PreferenceChangeListener { 886 private boolean flagChange = false; 887 888 public synchronized void preferenceChange(PreferenceChangeEvent arg0) { 889 flagChange = true; 890 notifyAll(); 891 } 892 893 public synchronized void assertChanged(boolean expected) throws InterruptedException { 894 if (!flagChange) { 895 wait(expected ? ACTION_EXPECTED_TIMEOUT : NO_ACTION_EXPECTED_TIMEOUT); 896 } 897 assertEquals(expected, flagChange); 898 flagChange = false; 899 } 900 } 901 902 public void testAddPreferenceChangeListener() throws Exception { 903 MockPreferenceChangeListener mpcl = new MockPreferenceChangeListener(); 904 parent.addPreferenceChangeListener(mpcl); 905 mpcl.assertChanged(false); 906 pref.node("new node"); 907 mpcl.assertChanged(false); 908 parent.node("new node"); 909 mpcl.assertChanged(false); 910 parent.putInt("IntValue", 33); 911 mpcl.assertChanged(true); 912 assertEquals(33, parent.getInt("IntValue", 22)); 913 mpcl.assertChanged(false); 914 assertEquals(22, parent.getInt("Missed Value", 22)); 915 mpcl.assertChanged(false); 916 } 917 918 public void testRemovePreferenceChangeListener() throws Exception { 919 MockPreferenceChangeListener mpcl = new MockPreferenceChangeListener(); 920 parent.addPreferenceChangeListener(mpcl); 921 mpcl.assertChanged(false); 922 parent.putInt("IntValue", 33); 923 mpcl.assertChanged(true); 924 parent.removePreferenceChangeListener(mpcl); 925 parent.putInt("IntValue", 33); 926 mpcl.assertChanged(false); 927 } 928 929 class MockNodeChangeListener implements NodeChangeListener { 930 private boolean flagAdded = false; 931 private boolean flagRemoved = false; 932 933 public synchronized void childAdded(NodeChangeEvent arg0) { 934 flagAdded = true; 935 notifyAll(); 936 } 937 938 public synchronized void childRemoved(NodeChangeEvent arg0) { 939 flagRemoved = true; 940 notifyAll(); 941 } 942 943 public synchronized void assertAdded(boolean expected) throws InterruptedException { 944 if (!flagAdded) { 945 wait(expected ? ACTION_EXPECTED_TIMEOUT : NO_ACTION_EXPECTED_TIMEOUT); 946 } 947 assertEquals(expected, flagAdded); 948 } 949 950 public synchronized void assertRemoved(boolean expected) throws InterruptedException { 951 if (!flagRemoved) { 952 wait(expected ? ACTION_EXPECTED_TIMEOUT : NO_ACTION_EXPECTED_TIMEOUT); 953 } 954 assertEquals(expected, flagRemoved); 955 } 956 } 957 958 public void testAddNodeChangeListener() throws Exception { 959 MockNodeChangeListener mncl = new MockNodeChangeListener(); 960 parent.addNodeChangeListener(mncl); 961 pref.node("test"); 962 mncl.assertAdded(false); 963 mncl.assertRemoved(false); 964 pref.removeNode(); 965 mncl.assertAdded(false); 966 mncl.assertRemoved(true); 967 parent.node("new node"); 968 mncl.assertAdded(true); 969 mncl.assertRemoved(true); 970 } 971 972 public void testRemoveNodeChangeListener() throws BackingStoreException, InterruptedException { 973 MockNodeChangeListener mncl = new MockNodeChangeListener(); 974 parent.addNodeChangeListener(mncl); 975 pref.node("test"); 976 mncl.assertAdded(false); 977 mncl.assertRemoved(false); 978 parent.removeNodeChangeListener(mncl); 979 pref.removeNode(); 980 mncl.assertAdded(false); 981 mncl.assertRemoved(false); 982 parent.node("new node"); 983 mncl.assertAdded(false); 984 mncl.assertRemoved(false); 985 } 986 987 public void testExportNode() throws BackingStoreException, IOException, InvalidPreferencesFormatException { 988 AbstractPreferences ap = (AbstractPreferences) pref.node("New node"); 989 pref.putInt("IntValue", 33); 990 pref.putBoolean("BoolValue", true); 991 pref.flush(); 992 993 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 994 995 pref.exportNode(baos); 996 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); 997 998 assertTrue(pref.getBoolean("BoolValue", false)); 999 assertEquals(33, pref.getInt("IntValue", 22)); 1000 assertEquals(1, pref.childrenNames().length); 1001 1002 String xmlData = new String(baos.toByteArray()); 1003 1004 assertTrue(xmlData.contains("IntValue")); 1005 assertTrue(xmlData.contains("BoolValue")); 1006 assertTrue(xmlData.contains("33")); 1007 assertTrue(xmlData.contains("true")); 1008 1009 pref.removeNode(); 1010 1011 try { 1012 pref.exportNode(new ByteArrayOutputStream()); 1013 fail("IllegalStateException expected"); 1014 } catch (IllegalStateException e) { 1015 //expected 1016 } 1017 1018 try { 1019 pref.getBoolean("BoolValue", false); 1020 fail("IllegalStateException expected"); 1021 } catch (IllegalStateException e) { 1022 //expected 1023 } 1024 pref = (AbstractPreferences) parent.node(nodeName); 1025 1026 pref.importPreferences(bais); 1027 1028 assertTrue(pref.getBoolean("BoolValue", false)); 1029 assertEquals(33, pref.getInt("IntValue", 22)); 1030 assertEquals(0, pref.childrenNames().length); 1031 } 1032 1033 public void testExportSubtree() throws BackingStoreException, IOException, InvalidPreferencesFormatException { 1034 AbstractPreferences ap1 = (AbstractPreferences) pref.node("First node"); 1035 AbstractPreferences ap2 = (AbstractPreferences) pref.node("Second node"); 1036 pref.putInt("IntegerValue", 33); 1037 pref.putBoolean("BoolValue", true); 1038 pref.flush(); 1039 1040 ap1.putInt("FirstIntValue", 11); 1041 ap2.putDouble("DoubleValue", new Double(6.626e-34)); 1042 1043 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 1044 1045 pref.exportSubtree(baos); 1046 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); 1047 1048 assertTrue(pref.getBoolean("BoolValue", false)); 1049 assertEquals(33, pref.getInt("IntegerValue", 22)); 1050 assertEquals(2, pref.childrenNames().length); 1051 assertEquals(11, ap1.getInt("FirstIntValue", 22)); 1052 assertEquals(new Double(6.626e-34), ap2.getDouble("DoubleValue", new Double (3.14))); 1053 1054 String xmlData = new String(baos.toByteArray()); 1055 1056 assertTrue(xmlData.contains("IntegerValue")); 1057 assertTrue(xmlData.contains("BoolValue")); 1058 assertTrue(xmlData.contains("FirstIntValue")); 1059 assertTrue(xmlData.contains("DoubleValue")); 1060 assertTrue(xmlData.contains("33")); 1061 assertTrue(xmlData.contains("true")); 1062 assertTrue(xmlData.contains("11")); 1063 assertTrue(xmlData.contains("6.626E-34")); 1064 1065 pref.removeNode(); 1066 1067 try { 1068 pref.exportSubtree(new ByteArrayOutputStream()); 1069 fail("IllegalStateException expected"); 1070 } catch (IllegalStateException e) { 1071 //expected 1072 } 1073 1074 try { 1075 pref.getBoolean("BoolValue", false); 1076 fail("IllegalStateException expected"); 1077 } catch (IllegalStateException e) { 1078 //expected 1079 } 1080 pref = (AbstractPreferences) parent.node(nodeName); 1081 pref.importPreferences(bais); 1082 1083 ap1 = (AbstractPreferences) pref.node("First node"); 1084 ap2 = (AbstractPreferences) pref.node("Second node"); 1085 1086 assertTrue(pref.getBoolean("BoolValue", false)); 1087 assertEquals(33, pref.getInt("IntegerValue", 22)); 1088 assertEquals(2, pref.childrenNames().length); 1089 assertEquals(11, ap1.getInt("FirstIntValue", 22)); 1090 assertEquals(new Double(6.626e-34), ap2.getDouble("DoubleValue", new Double (3.14))); 1091 } 1092 1093 class MockAbstractPreferences extends AbstractPreferences { 1094 protected MockAbstractPreferences(AbstractPreferences parent, String name) { 1095 super(parent, name); 1096 } 1097 1098 @Override 1099 protected AbstractPreferences childSpi(String name) { 1100 return null; 1101 } 1102 1103 @Override 1104 protected String[] childrenNamesSpi() throws BackingStoreException { 1105 return null; 1106 } 1107 1108 @Override 1109 protected void flushSpi() throws BackingStoreException { 1110 } 1111 1112 @Override 1113 protected String getSpi(String key) { 1114 return null; 1115 } 1116 1117 @Override 1118 protected String[] keysSpi() throws BackingStoreException { 1119 return null; 1120 } 1121 1122 @Override 1123 protected void putSpi(String key, String value) { 1124 } 1125 1126 @Override 1127 protected void removeNodeSpi() throws BackingStoreException { 1128 } 1129 1130 @Override 1131 protected void removeSpi(String key) { 1132 } 1133 1134 @Override 1135 protected void syncSpi() throws BackingStoreException { 1136 } 1137 } 1138 1139 public void testAbstractPreferences() { 1140 assertNotNull(new MockAbstractPreferences(pref, "node name")); 1141 try { 1142 new MockAbstractPreferences(pref, "node/name"); 1143 fail("IllegalArgumentException expected"); 1144 } catch (IllegalArgumentException e) { 1145 //expected 1146 } 1147 1148 try { 1149 new MockAbstractPreferences(null, "node"); 1150 fail("IllegalArgumentException expected"); 1151 } catch (IllegalArgumentException e) { 1152 //expected 1153 } 1154 } 1155 1156 public void testCachedChildren() throws BackingStoreException { 1157 pref.node("First node"); 1158 pref.node("Second node"); 1159 1160 assertEquals(2, pref.childrenNames().length); 1161 } 1162 } 1163
