1 /* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. 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.nio.channels; 18 19 import java.io.File; 20 import java.io.FileInputStream; 21 import java.io.FileNotFoundException; 22 import java.io.FileOutputStream; 23 import java.io.IOException; 24 import java.io.RandomAccessFile; 25 import java.io.UnsupportedEncodingException; 26 import java.nio.ByteBuffer; 27 import java.nio.MappedByteBuffer; 28 import java.nio.channels.ClosedChannelException; 29 import java.nio.channels.DatagramChannel; 30 import java.nio.channels.FileChannel; 31 import java.nio.channels.FileLock; 32 import java.nio.channels.NonWritableChannelException; 33 import java.nio.channels.OverlappingFileLockException; 34 import java.nio.channels.ReadableByteChannel; 35 import java.nio.channels.WritableByteChannel; 36 import java.util.Arrays; 37 import junit.framework.TestCase; 38 39 public final class OldFileChannelTest extends TestCase { 40 41 private static final int CAPACITY = 100; 42 43 private static final String CONTENT = "MYTESTSTRING needs to be a little long"; 44 45 private static final byte[] TEST_BYTES; 46 47 static { 48 try { 49 TEST_BYTES = "test".getBytes("iso8859-1"); 50 } catch (UnsupportedEncodingException e) { 51 throw new Error(e); 52 } 53 } 54 55 private static final int CONTENT_LENGTH = CONTENT.length(); 56 57 private static final byte[] CONTENT_AS_BYTES = CONTENT.getBytes(); 58 59 private static final int CONTENT_AS_BYTES_LENGTH = CONTENT_AS_BYTES.length; 60 61 private FileChannel readOnlyFileChannel; 62 63 private FileChannel writeOnlyFileChannel; 64 65 private FileChannel readWriteFileChannel; 66 67 private File fileOfReadOnlyFileChannel; 68 69 private File fileOfWriteOnlyFileChannel; 70 71 private File fileOfReadWriteFileChannel; 72 73 // to read content from FileChannel 74 private FileInputStream fis; 75 76 private FileLock fileLock; 77 78 protected void setUp() throws Exception { 79 fileOfReadOnlyFileChannel = File.createTempFile( 80 "File_of_readOnlyFileChannel", "tmp"); 81 fileOfReadOnlyFileChannel.deleteOnExit(); 82 fileOfWriteOnlyFileChannel = File.createTempFile( 83 "File_of_writeOnlyFileChannel", "tmp"); 84 fileOfWriteOnlyFileChannel.deleteOnExit(); 85 fileOfReadWriteFileChannel = File.createTempFile( 86 "File_of_readWriteFileChannel", "tmp"); 87 fileOfReadWriteFileChannel.deleteOnExit(); 88 fis = null; 89 fileLock = null; 90 readOnlyFileChannel = new FileInputStream(fileOfReadOnlyFileChannel) 91 .getChannel(); 92 writeOnlyFileChannel = new FileOutputStream(fileOfWriteOnlyFileChannel) 93 .getChannel(); 94 readWriteFileChannel = new RandomAccessFile(fileOfReadWriteFileChannel, 95 "rw").getChannel(); 96 } 97 98 protected void tearDown() { 99 if (null != readOnlyFileChannel) { 100 try { 101 readOnlyFileChannel.close(); 102 } catch (IOException e) { 103 // do nothing 104 } 105 } 106 if (null != writeOnlyFileChannel) { 107 try { 108 writeOnlyFileChannel.close(); 109 } catch (IOException e) { 110 // do nothing 111 } 112 } 113 if (null != readWriteFileChannel) { 114 try { 115 readWriteFileChannel.close(); 116 } catch (IOException e) { 117 // do nothing 118 } 119 } 120 if (null != fis) { 121 try { 122 fis.close(); 123 } catch (IOException e) { 124 // do nothing 125 } 126 } 127 128 if (null != fileLock) { 129 try { 130 fileLock.release(); 131 } catch (IOException e) { 132 // do nothing 133 } 134 } 135 136 if (null != fileOfReadOnlyFileChannel) { 137 fileOfReadOnlyFileChannel.delete(); 138 } 139 if (null != fileOfWriteOnlyFileChannel) { 140 fileOfWriteOnlyFileChannel.delete(); 141 } 142 if (null != fileOfReadWriteFileChannel) { 143 fileOfReadWriteFileChannel.delete(); 144 } 145 } 146 147 public void test_forceZ() throws Exception { 148 ByteBuffer writeBuffer = ByteBuffer.wrap(CONTENT_AS_BYTES); 149 writeOnlyFileChannel.write(writeBuffer); 150 writeOnlyFileChannel.force(true); 151 152 byte[] readBuffer = new byte[CONTENT_AS_BYTES_LENGTH]; 153 fis = new FileInputStream(fileOfWriteOnlyFileChannel); 154 fis.read(readBuffer); 155 assertTrue(Arrays.equals(CONTENT_AS_BYTES, readBuffer)); 156 157 writeOnlyFileChannel.write(writeBuffer); 158 writeOnlyFileChannel.force(false); 159 fis.close(); 160 161 readBuffer = new byte[CONTENT_AS_BYTES_LENGTH]; 162 fis = new FileInputStream(fileOfWriteOnlyFileChannel); 163 fis.read(readBuffer); 164 assertTrue(Arrays.equals(CONTENT_AS_BYTES, readBuffer)); 165 fis.close(); 166 } 167 168 169 /** 170 * Initializes test file. 171 * 172 * @param file 173 * @throws FileNotFoundException 174 * @throws IOException 175 */ 176 private void writeDataToFile(File file) throws FileNotFoundException, 177 IOException { 178 FileOutputStream fos = new FileOutputStream(file); 179 try { 180 fos.write(CONTENT_AS_BYTES); 181 } finally { 182 fos.close(); 183 } 184 } 185 186 /** 187 * Initializes large test file. 188 * 189 * @param file the file to be written 190 * @param size the content size to be written 191 * @throws FileNotFoundException 192 * @throws IOException 193 */ 194 private void writeLargeDataToFile(File file, int size) 195 throws FileNotFoundException, IOException { 196 FileOutputStream fos = new FileOutputStream(file); 197 byte[] buf = new byte[size]; 198 199 try { 200 // we don't care about content - just need a particular file size 201 fos.write(buf); 202 } finally { 203 fos.close(); 204 } 205 } 206 207 public void test_tryLockJJZ_IllegalArgument() throws Exception { 208 try { 209 writeOnlyFileChannel.tryLock(0, -1, false); 210 fail("should throw IllegalArgumentException"); 211 } catch (IllegalArgumentException e) { 212 // expected 213 } 214 215 try { 216 writeOnlyFileChannel.tryLock(-1, 0, false); 217 fail("should throw IllegalArgumentException"); 218 } catch (IllegalArgumentException e) { 219 // expected 220 } 221 222 try { 223 readWriteFileChannel.tryLock(-1, -1, false); 224 fail("should throw IllegalArgumentException"); 225 } catch (IllegalArgumentException e) { 226 // expected 227 } 228 229 try { 230 readWriteFileChannel.tryLock(Long.MAX_VALUE, 1, false); 231 fail("should throw IllegalArgumentException"); 232 } catch (IllegalArgumentException e) { 233 // expected 234 } 235 } 236 237 public void testTryLockVeryLarge() throws IOException { 238 long tooBig = Integer.MAX_VALUE + 1L; 239 FileLock lock = readWriteFileChannel.tryLock(tooBig, 1, false); 240 assertLockFails(tooBig, 1); 241 lock.release(); 242 243 lock = readWriteFileChannel.tryLock(0, tooBig, false); 244 assertLockFails(0, 1); 245 lock.release(); 246 } 247 248 public void testTryLockOverlapping() throws IOException { 249 FileLock lockOne = readWriteFileChannel.tryLock(0, 10, false); 250 FileLock lockTwo = readWriteFileChannel.tryLock(10, 20, false); 251 assertLockFails(0, 10); 252 lockOne.release(); 253 assertLockFails(5, 10); 254 lockOne = readWriteFileChannel.tryLock(0, 10, false); 255 lockTwo.release(); 256 lockOne.release(); 257 } 258 259 public void test_readLByteBufferJ_IllegalArgument() throws Exception { 260 ByteBuffer readBuffer = ByteBuffer.allocate(CAPACITY); 261 262 try { 263 readOnlyFileChannel.read(readBuffer, -1); 264 fail("should throw IllegalArgumentException"); 265 } catch (IllegalArgumentException e) { 266 // expected 267 } 268 269 try { 270 writeOnlyFileChannel.read(readBuffer, -1); 271 fail("should throw IllegalArgumentException"); 272 } catch (IllegalArgumentException e) { 273 // expected 274 } 275 276 try { 277 readWriteFileChannel.read(readBuffer, -1); 278 fail("should throw IllegalArgumentException"); 279 } catch (IllegalArgumentException e) { 280 // expected 281 } 282 283 // throws IllegalArgumentException first. 284 readOnlyFileChannel.close(); 285 try { 286 readOnlyFileChannel.read(readBuffer, -1); 287 fail("should throw IllegalArgumentException"); 288 } catch (IllegalArgumentException e) { 289 // expected 290 } 291 292 writeOnlyFileChannel.close(); 293 try { 294 writeOnlyFileChannel.read(readBuffer, -1); 295 fail("should throw IllegalArgumentException"); 296 } catch (IllegalArgumentException e) { 297 // expected 298 } 299 300 readWriteFileChannel.close(); 301 try { 302 readWriteFileChannel.read(readBuffer, -1); 303 fail("should throw IllegalArgumentException"); 304 } catch (IllegalArgumentException e) { 305 // expected 306 } 307 } 308 309 public void test_read$LByteBufferII_Null() throws Exception { 310 311 try { 312 readOnlyFileChannel.read(null, 0, 1); 313 fail("should throw NullPointerException"); 314 } catch (NullPointerException e) { 315 // expected 316 } 317 try { 318 readOnlyFileChannel.read(null, 0, 3); 319 fail("should throw NullPointerException"); 320 } catch (NullPointerException e) { 321 // expected 322 } 323 try { 324 readOnlyFileChannel.read(null, 1, 2); 325 fail("should throw NullPointerException"); 326 } catch (NullPointerException e) { 327 // expected 328 } 329 try { 330 readOnlyFileChannel.read(null, 2, 1); 331 fail("should throw NullPointerException"); 332 } catch (NullPointerException e) { 333 // expected 334 } 335 try { 336 readOnlyFileChannel.read(null, 3, 0); 337 fail("should throw NullPointerException"); 338 } catch (NullPointerException e) { 339 // expected 340 } 341 342 try { 343 writeOnlyFileChannel.read(null, 0, 1); 344 fail("should throw NullPointerException"); 345 } catch (NullPointerException e) { 346 // expected 347 } 348 try { 349 writeOnlyFileChannel.read(null, 0, 3); 350 fail("should throw NullPointerException"); 351 } catch (NullPointerException e) { 352 // expected 353 } 354 try { 355 writeOnlyFileChannel.read(null, 1, 2); 356 fail("should throw NullPointerException"); 357 } catch (NullPointerException e) { 358 // expected 359 } 360 try { 361 writeOnlyFileChannel.read(null, 2, 1); 362 fail("should throw NullPointerException"); 363 } catch (NullPointerException e) { 364 // expected 365 } 366 try { 367 writeOnlyFileChannel.read(null, 3, 0); 368 fail("should throw NullPointerException"); 369 } catch (NullPointerException e) { 370 // expected 371 } 372 373 try { 374 readWriteFileChannel.read(null, 0, 1); 375 fail("should throw NullPointerException"); 376 } catch (NullPointerException e) { 377 // expected 378 } 379 try { 380 readWriteFileChannel.read(null, 0, 3); 381 fail("should throw NullPointerException"); 382 } catch (NullPointerException e) { 383 // expected 384 } 385 try { 386 readWriteFileChannel.read(null, 1, 2); 387 fail("should throw NullPointerException"); 388 } catch (NullPointerException e) { 389 // expected 390 } 391 try { 392 readWriteFileChannel.read(null, 2, 1); 393 fail("should throw NullPointerException"); 394 } catch (NullPointerException e) { 395 // expected 396 } 397 try { 398 readWriteFileChannel.read(null, 3, 0); 399 fail("should throw NullPointerException"); 400 } catch (NullPointerException e) { 401 // expected 402 } 403 404 // first throws NullPointerException 405 readOnlyFileChannel.close(); 406 try { 407 readOnlyFileChannel.read(null, 0, 1); 408 fail("should throw NullPointerException"); 409 } catch (NullPointerException e) { 410 // expected 411 } 412 try { 413 readOnlyFileChannel.read(null, 0, 3); 414 fail("should throw NullPointerException"); 415 } catch (NullPointerException e) { 416 // expected 417 } 418 try { 419 readOnlyFileChannel.read(null, 1, 2); 420 fail("should throw NullPointerException"); 421 } catch (NullPointerException e) { 422 // expected 423 } 424 try { 425 readOnlyFileChannel.read(null, 2, 1); 426 fail("should throw NullPointerException"); 427 } catch (NullPointerException e) { 428 // expected 429 } 430 try { 431 readOnlyFileChannel.read(null, 3, 0); 432 fail("should throw NullPointerException"); 433 } catch (NullPointerException e) { 434 // expected 435 } 436 437 readWriteFileChannel.close(); 438 try { 439 readWriteFileChannel.read(null, 0, 1); 440 fail("should throw NullPointerException"); 441 } catch (NullPointerException e) { 442 // expected 443 } 444 try { 445 readWriteFileChannel.read(null, 0, 3); 446 fail("should throw NullPointerException"); 447 } catch (NullPointerException e) { 448 // expected 449 } 450 try { 451 readWriteFileChannel.read(null, 1, 2); 452 fail("should throw NullPointerException"); 453 } catch (NullPointerException e) { 454 // expected 455 } 456 try { 457 readWriteFileChannel.read(null, 2, 1); 458 fail("should throw NullPointerException"); 459 } catch (NullPointerException e) { 460 // expected 461 } 462 try { 463 readWriteFileChannel.read(null, 3, 0); 464 fail("should throw NullPointerException"); 465 } catch (NullPointerException e) { 466 // expected 467 } 468 469 writeOnlyFileChannel.close(); 470 try { 471 writeOnlyFileChannel.read(null, 0, 1); 472 fail("should throw NullPointerException"); 473 } catch (NullPointerException e) { 474 // expected 475 } 476 try { 477 writeOnlyFileChannel.read(null, 0, 3); 478 fail("should throw NullPointerException"); 479 } catch (NullPointerException e) { 480 // expected 481 } 482 try { 483 writeOnlyFileChannel.read(null, 1, 2); 484 fail("should throw NullPointerException"); 485 } catch (NullPointerException e) { 486 // expected 487 } 488 try { 489 writeOnlyFileChannel.read(null, 2, 1); 490 fail("should throw NullPointerException"); 491 } catch (NullPointerException e) { 492 // expected 493 } 494 try { 495 writeOnlyFileChannel.read(null, 3, 0); 496 fail("should throw NullPointerException"); 497 } catch (NullPointerException e) { 498 // expected 499 } 500 } 501 502 503 private void doTestForIOOBException(FileChannel channel, 504 ByteBuffer[] buffer) throws IOException{ 505 try { 506 channel.read(buffer, -1, 0); 507 fail("should throw IndexOutOfBoundException"); 508 } catch (IndexOutOfBoundsException e) { 509 // expected 510 } 511 try { 512 channel.read(buffer, 0, -1); 513 fail("should throw IndexOutOfBoundException"); 514 } catch (IndexOutOfBoundsException e) { 515 // expected 516 } 517 try { 518 channel.read(buffer, 0, 3); 519 fail("should throw IndexOutOfBoundException"); 520 } catch (IndexOutOfBoundsException e) { 521 // expected 522 } 523 try { 524 channel.read(buffer, 1, 2); 525 fail("should throw IndexOutOfBoundException"); 526 } catch (IndexOutOfBoundsException e) { 527 // expected 528 } 529 try { 530 channel.read(buffer, 2, 1); 531 fail("should throw IndexOutOfBoundException"); 532 } catch (IndexOutOfBoundsException e) { 533 // expected 534 } 535 try { 536 channel.read(buffer, 3, 0); 537 fail("should throw IndexOutOfBoundException"); 538 } catch (IndexOutOfBoundsException e) { 539 // expected 540 } 541 } 542 543 public void test_read$LByteBufferII_IndexOutOfBound() throws Exception { 544 ByteBuffer[] readBuffers = new ByteBuffer[2]; 545 readBuffers[0] = ByteBuffer.allocate(CAPACITY); 546 readBuffers[1] = ByteBuffer.allocate(CAPACITY); 547 ByteBuffer[] readBuffersNull = new ByteBuffer[2]; 548 549 doTestForIOOBException(readOnlyFileChannel, readBuffers); 550 doTestForIOOBException(readWriteFileChannel, readBuffers); 551 doTestForIOOBException(writeOnlyFileChannel, readBuffers); 552 553 doTestForIOOBException(readOnlyFileChannel, readBuffersNull); 554 doTestForIOOBException(readWriteFileChannel, readBuffersNull); 555 doTestForIOOBException(writeOnlyFileChannel, readBuffersNull); 556 try { 557 readOnlyFileChannel.read(null, -1, 0); 558 fail("should throw IndexOutOfBoundException"); 559 } catch (NullPointerException expected) { 560 } catch (IndexOutOfBoundsException expected) { 561 } 562 try { 563 readOnlyFileChannel.read(null, 0, -1); 564 fail("should throw IndexOutOfBoundException"); 565 } catch (NullPointerException expected) { 566 } catch (IndexOutOfBoundsException expected) { 567 } 568 569 try { 570 readWriteFileChannel.read(null, -1, 0); 571 fail("should throw IndexOutOfBoundException"); 572 } catch (NullPointerException expected) { 573 } catch (IndexOutOfBoundsException expected) { 574 } 575 try { 576 readWriteFileChannel.read(null, 0, -1); 577 fail("should throw IndexOutOfBoundException"); 578 } catch (NullPointerException expected) { 579 } catch (IndexOutOfBoundsException expected) { 580 } 581 582 try { 583 writeOnlyFileChannel.read(null, -1, 0); 584 fail("should throw IndexOutOfBoundException"); 585 } catch (NullPointerException expected) { 586 } catch (IndexOutOfBoundsException expected) { 587 } 588 try { 589 writeOnlyFileChannel.read(null, 0, -1); 590 fail("should throw IndexOutOfBoundException"); 591 } catch (NullPointerException expected) { 592 } catch (IndexOutOfBoundsException expected) { 593 } 594 595 readOnlyFileChannel.close(); 596 doTestForIOOBException(readOnlyFileChannel, readBuffers); 597 doTestForIOOBException(readOnlyFileChannel, readBuffersNull); 598 599 readWriteFileChannel.close(); 600 doTestForIOOBException(readWriteFileChannel, readBuffers); 601 doTestForIOOBException(readWriteFileChannel, readBuffersNull); 602 603 writeOnlyFileChannel.close(); 604 doTestForIOOBException(writeOnlyFileChannel, readBuffers); 605 doTestForIOOBException(writeOnlyFileChannel, readBuffersNull); 606 } 607 608 public void test_read$LByteBufferII_EmptyFile() throws Exception { 609 ByteBuffer[] readBuffers = new ByteBuffer[2]; 610 readBuffers[0] = ByteBuffer.allocate(CAPACITY); 611 readBuffers[1] = ByteBuffer.allocate(CAPACITY); 612 long result = readOnlyFileChannel.read(readBuffers, 0, 2); 613 assertEquals(-1, result); 614 assertEquals(0, readBuffers[0].position()); 615 assertEquals(0, readBuffers[1].position()); 616 } 617 618 public void test_read$LByteBufferII_EmptyBuffers() throws Exception { 619 ByteBuffer[] readBuffers = new ByteBuffer[2]; 620 readBuffers[0] = ByteBuffer.allocate(CAPACITY); 621 622 try { 623 readOnlyFileChannel.read(readBuffers, 0, 2); 624 } catch (NullPointerException e) { 625 // expected 626 } 627 628 writeDataToFile(fileOfReadOnlyFileChannel); 629 readBuffers[0] = ByteBuffer.allocate(CAPACITY); 630 try { 631 readOnlyFileChannel.read(readBuffers, 0, 2); 632 } catch (NullPointerException e) { 633 // expected 634 } 635 636 long result = readOnlyFileChannel.read(readBuffers, 0, 1); 637 assertEquals(CONTENT_AS_BYTES_LENGTH, result); 638 } 639 640 public void test_isOpen() throws Exception { 641 // Regression for HARMONY-40 642 File logFile = File.createTempFile("out", "tmp"); 643 logFile.deleteOnExit(); 644 FileOutputStream out = new FileOutputStream(logFile, true); 645 FileChannel channel = out.getChannel(); 646 out.write(1); 647 assertTrue("Assert 0: Channel is not open", channel.isOpen()); 648 out.close(); 649 assertFalse("Assert 0: Channel is still open", channel.isOpen()); 650 } 651 652 public void test_writeLByteBuffer_Closed() throws Exception { 653 ByteBuffer writeBuffer = ByteBuffer.allocate(CAPACITY); 654 655 readOnlyFileChannel.close(); 656 try { 657 readOnlyFileChannel.write(writeBuffer); 658 fail("should throw ClosedChannelException"); 659 } catch (ClosedChannelException e) { 660 // expected 661 } 662 663 writeOnlyFileChannel.close(); 664 try { 665 writeOnlyFileChannel.write(writeBuffer); 666 fail("should throw ClosedChannelException"); 667 } catch (ClosedChannelException e) { 668 // expected 669 } 670 671 readWriteFileChannel.close(); 672 try { 673 readWriteFileChannel.write(writeBuffer); 674 fail("should throw ClosedChannelException"); 675 } catch (ClosedChannelException e) { 676 // expected 677 } 678 679 // should throw ClosedChannelException first 680 try { 681 readWriteFileChannel.read((ByteBuffer) null); 682 fail("should throw ClosedChannelException"); 683 } catch (NullPointerException e) { 684 } catch (ClosedChannelException e) { 685 } 686 687 try { 688 readOnlyFileChannel.write((ByteBuffer) null); 689 fail("should throw ClosedChannelException"); 690 } catch (NullPointerException e) { 691 } catch (ClosedChannelException e) { 692 } 693 694 writeOnlyFileChannel.close(); 695 try { 696 writeOnlyFileChannel.write((ByteBuffer) null); 697 fail("should throw ClosedChannelException"); 698 } catch (NullPointerException e) { 699 } catch (ClosedChannelException e) { 700 } 701 } 702 703 public void test_writeLByteBufferJ_Postion_As_Long() throws Exception { 704 ByteBuffer writeBuffer = ByteBuffer.wrap(TEST_BYTES); 705 try { 706 writeOnlyFileChannel.write(writeBuffer, Long.MAX_VALUE); 707 } catch (IOException e) { 708 // expected 709 } 710 } 711 712 public void test_writeLByteBufferJ_IllegalArgument() throws Exception { 713 ByteBuffer writeBuffer = ByteBuffer.allocate(CAPACITY); 714 715 try { 716 readOnlyFileChannel.write(writeBuffer, -1); 717 fail("should throw IllegalArgumentException"); 718 } catch (IllegalArgumentException e) { 719 // expected 720 } 721 722 try { 723 writeOnlyFileChannel.write(writeBuffer, -1); 724 fail("should throw IllegalArgumentException"); 725 } catch (IllegalArgumentException e) { 726 // expected 727 } 728 729 try { 730 readWriteFileChannel.write(writeBuffer, -1); 731 fail("should throw IllegalArgumentException"); 732 } catch (IllegalArgumentException e) { 733 // expected 734 } 735 736 // throws IllegalArgumentException first. 737 readOnlyFileChannel.close(); 738 try { 739 readOnlyFileChannel.write(writeBuffer, -1); 740 fail("should throw IllegalArgumentException"); 741 } catch (IllegalArgumentException e) { 742 // expected 743 } 744 745 writeOnlyFileChannel.close(); 746 try { 747 writeOnlyFileChannel.write(writeBuffer, -1); 748 fail("should throw IllegalArgumentException"); 749 } catch (IllegalArgumentException e) { 750 // expected 751 } 752 753 readWriteFileChannel.close(); 754 try { 755 readWriteFileChannel.write(writeBuffer, -1); 756 fail("should throw IllegalArgumentException"); 757 } catch (IllegalArgumentException e) { 758 // expected 759 } 760 } 761 762 public void test_writeLByteBufferJ_NonZeroPosition() throws Exception { 763 final int pos = 5; 764 ByteBuffer writeBuffer = ByteBuffer.wrap(CONTENT_AS_BYTES); 765 writeBuffer.position(pos); 766 int result = writeOnlyFileChannel.write(writeBuffer, pos); 767 assertEquals(CONTENT_AS_BYTES_LENGTH - pos, result); 768 assertEquals(CONTENT_AS_BYTES_LENGTH, writeBuffer.position()); 769 writeOnlyFileChannel.close(); 770 771 assertEquals(CONTENT_AS_BYTES_LENGTH, fileOfWriteOnlyFileChannel 772 .length()); 773 774 fis = new FileInputStream(fileOfWriteOnlyFileChannel); 775 byte[] inputBuffer = new byte[CONTENT_AS_BYTES_LENGTH - pos]; 776 fis.skip(pos); 777 fis.read(inputBuffer); 778 String test = CONTENT.substring(pos); 779 assertTrue(Arrays.equals(test.getBytes(), inputBuffer)); 780 } 781 782 public void test_write$LByteBuffer_Closed() throws Exception { 783 ByteBuffer[] writeBuffers = new ByteBuffer[2]; 784 writeBuffers[0] = ByteBuffer.allocate(CAPACITY); 785 writeBuffers[1] = ByteBuffer.allocate(CAPACITY); 786 787 readOnlyFileChannel.close(); 788 try { 789 readOnlyFileChannel.write(writeBuffers); 790 fail("should throw ClosedChannelException"); 791 } catch (ClosedChannelException e) { 792 // expected 793 } 794 795 writeOnlyFileChannel.close(); 796 try { 797 writeOnlyFileChannel.write(writeBuffers); 798 fail("should throw ClosedChannelException"); 799 } catch (ClosedChannelException e) { 800 // expected 801 } 802 803 readWriteFileChannel.close(); 804 try { 805 readWriteFileChannel.write(writeBuffers); 806 fail("should throw ClosedChannelException"); 807 } catch (ClosedChannelException e) { 808 // expected 809 } 810 } 811 812 public void test_write$LByteBuffer_ReadOnly() throws Exception { 813 ByteBuffer[] writeBuffers = new ByteBuffer[2]; 814 writeBuffers[0] = ByteBuffer.allocate(CAPACITY); 815 writeBuffers[1] = ByteBuffer.allocate(CAPACITY); 816 817 try { 818 readOnlyFileChannel.write(writeBuffers); 819 fail("should throw NonWritableChannelException"); 820 } catch (NonWritableChannelException e) { 821 // expected 822 } 823 } 824 825 public void test_write$LByteBuffer_EmptyBuffers() throws Exception { 826 ByteBuffer[] writeBuffers = new ByteBuffer[2]; 827 writeBuffers[0] = ByteBuffer.allocate(this.CONTENT_LENGTH); 828 try { 829 writeOnlyFileChannel.write(writeBuffers); 830 fail("should throw NullPointerException"); 831 } catch (NullPointerException e) { 832 // expected 833 } 834 835 try { 836 readWriteFileChannel.write(writeBuffers); 837 fail("should throw NullPointerException"); 838 } catch (NullPointerException e) { 839 // expected 840 } 841 } 842 843 public void test_write$LByteBuffer() throws Exception { 844 ByteBuffer[] writeBuffers = new ByteBuffer[2]; 845 writeBuffers[0] = ByteBuffer.wrap(CONTENT_AS_BYTES); 846 writeBuffers[1] = ByteBuffer.wrap(CONTENT_AS_BYTES); 847 848 long result = writeOnlyFileChannel.write(writeBuffers); 849 assertEquals(CONTENT_AS_BYTES_LENGTH * 2, result); 850 assertEquals(CONTENT_AS_BYTES_LENGTH, writeBuffers[0].position()); 851 assertEquals(CONTENT_AS_BYTES_LENGTH, writeBuffers[1].position()); 852 writeOnlyFileChannel.close(); 853 854 assertEquals(CONTENT_AS_BYTES_LENGTH * 2, fileOfWriteOnlyFileChannel 855 .length()); 856 857 fis = new FileInputStream(fileOfWriteOnlyFileChannel); 858 byte[] inputBuffer = new byte[CONTENT_AS_BYTES_LENGTH]; 859 fis.read(inputBuffer); 860 byte[] expectedResult = new byte[CONTENT_AS_BYTES_LENGTH * 2]; 861 System.arraycopy(CONTENT_AS_BYTES, 0, expectedResult, 0, 862 CONTENT_AS_BYTES_LENGTH); 863 System.arraycopy(CONTENT_AS_BYTES, 0, expectedResult, 864 CONTENT_AS_BYTES_LENGTH, CONTENT_AS_BYTES_LENGTH); 865 assertTrue(Arrays.equals(CONTENT_AS_BYTES, inputBuffer)); 866 } 867 868 public void test_write$LByteBufferII_Null() throws Exception { 869 ByteBuffer[] writeBuffers = null; 870 871 try { 872 readOnlyFileChannel.write(writeBuffers, 1, 2); 873 fail("should throw NullPointerException"); 874 } catch (NullPointerException e) { 875 // expected 876 } 877 878 try { 879 writeOnlyFileChannel.write(writeBuffers, 1, 2); 880 fail("should throw NullPointerException"); 881 } catch (NullPointerException e) { 882 // expected 883 } 884 885 try { 886 readWriteFileChannel.write(writeBuffers, 1, 2); 887 fail("should throw NullPointerException"); 888 } catch (NullPointerException e) { 889 // expected 890 } 891 892 // first throws NullPointerException 893 readOnlyFileChannel.close(); 894 try { 895 readOnlyFileChannel.write(writeBuffers, 1, 2); 896 fail("should throw NullPointerException"); 897 } catch (NullPointerException e) { 898 // expected 899 } 900 901 writeOnlyFileChannel.close(); 902 try { 903 writeOnlyFileChannel.write(writeBuffers, 1, 2); 904 fail("should throw NullPointerException"); 905 } catch (NullPointerException e) { 906 // expected 907 } 908 909 readWriteFileChannel.close(); 910 try { 911 readWriteFileChannel.write(writeBuffers, 1, 2); 912 fail("should throw NullPointerException"); 913 } catch (NullPointerException e) { 914 // expected 915 } 916 } 917 918 public void test_write$LByteBufferII_IndexOutOfBound() throws Exception { 919 ByteBuffer[] writeBuffers = new ByteBuffer[2]; 920 writeBuffers[0] = ByteBuffer.allocate(this.CONTENT_LENGTH); 921 writeBuffers[1] = ByteBuffer.allocate(this.CONTENT_LENGTH); 922 923 try { 924 writeOnlyFileChannel.write(writeBuffers, -1, 0); 925 fail("should throw IndexOutOfBoundsException"); 926 } catch (IndexOutOfBoundsException e) { 927 // expected 928 } 929 try { 930 writeOnlyFileChannel.write(writeBuffers, 0, -1); 931 fail("should throw IndexOutOfBoundsException"); 932 } catch (IndexOutOfBoundsException e) { 933 // expected 934 } 935 try { 936 writeOnlyFileChannel.write(writeBuffers, 0, 3); 937 fail("should throw IndexOutOfBoundsException"); 938 } catch (IndexOutOfBoundsException e) { 939 // expected 940 } 941 try { 942 writeOnlyFileChannel.write(writeBuffers, 1, 2); 943 fail("should throw IndexOutOfBoundsException"); 944 } catch (IndexOutOfBoundsException e) { 945 // expected 946 } 947 try { 948 writeOnlyFileChannel.write(writeBuffers, 2, 1); 949 fail("should throw IndexOutOfBoundsException"); 950 } catch (IndexOutOfBoundsException e) { 951 // expected 952 } 953 try { 954 writeOnlyFileChannel.write(writeBuffers, 3, 0); 955 fail("should throw IndexOutOfBoundsException"); 956 } catch (IndexOutOfBoundsException e) { 957 // expected 958 } 959 960 try { 961 readWriteFileChannel.write(writeBuffers, -1, 0); 962 fail("should throw IndexOutOfBoundsException"); 963 } catch (IndexOutOfBoundsException e) { 964 // expected 965 } 966 try { 967 readWriteFileChannel.write(writeBuffers, 0, -1); 968 fail("should throw IndexOutOfBoundsException"); 969 } catch (IndexOutOfBoundsException e) { 970 // expected 971 } 972 try { 973 readWriteFileChannel.write(writeBuffers, 0, 3); 974 fail("should throw IndexOutOfBoundsException"); 975 } catch (IndexOutOfBoundsException e) { 976 // expected 977 } 978 try { 979 readWriteFileChannel.write(writeBuffers, 1, 2); 980 fail("should throw IndexOutOfBoundsException"); 981 } catch (IndexOutOfBoundsException e) { 982 // expected 983 } 984 try { 985 readWriteFileChannel.write(writeBuffers, 2, 1); 986 fail("should throw IndexOutOfBoundsException"); 987 } catch (IndexOutOfBoundsException e) { 988 // expected 989 } 990 try { 991 readWriteFileChannel.write(writeBuffers, 3, 0); 992 fail("should throw IndexOutOfBoundsException"); 993 } catch (IndexOutOfBoundsException e) { 994 // expected 995 } 996 997 try { 998 readOnlyFileChannel.write(writeBuffers, -1, 0); 999 fail("should throw IndexOutOfBoundsException"); 1000 } catch (IndexOutOfBoundsException e) { 1001 // expected 1002 } 1003 try { 1004 readOnlyFileChannel.write(writeBuffers, 0, -1); 1005 fail("should throw IndexOutOfBoundsException"); 1006 } catch (IndexOutOfBoundsException e) { 1007 // expected 1008 } 1009 try { 1010 readOnlyFileChannel.write(writeBuffers, 0, 3); 1011 fail("should throw IndexOutOfBoundsException"); 1012 } catch (IndexOutOfBoundsException e) { 1013 // expected 1014 } 1015 try { 1016 readOnlyFileChannel.write(writeBuffers, 1, 2); 1017 fail("should throw IndexOutOfBoundsException"); 1018 } catch (IndexOutOfBoundsException e) { 1019 // expected 1020 } 1021 try { 1022 readOnlyFileChannel.write(writeBuffers, 2, 1); 1023 fail("should throw IndexOutOfBoundsException"); 1024 } catch (IndexOutOfBoundsException e) { 1025 // expected 1026 } 1027 try { 1028 readOnlyFileChannel.write(writeBuffers, 3, 0); 1029 fail("should throw IndexOutOfBoundsException"); 1030 } catch (IndexOutOfBoundsException e) { 1031 // expected 1032 } 1033 } 1034 1035 public void test_write$LByteBufferII_EmptyBuffers() throws Exception { 1036 ByteBuffer[] writeBuffers = new ByteBuffer[2]; 1037 writeBuffers[0] = ByteBuffer.allocate(this.CONTENT_LENGTH); 1038 try { 1039 writeOnlyFileChannel.write(writeBuffers, 0, 2); 1040 fail("should throw NullPointerException"); 1041 } catch (NullPointerException e) { 1042 // expected 1043 } 1044 1045 try { 1046 readWriteFileChannel.write(writeBuffers, 0, 2); 1047 fail("should throw NullPointerException"); 1048 } catch (NullPointerException e) { 1049 // expected 1050 } 1051 } 1052 1053 public void test_transferToJJLWritableByteChannel_IllegalArgument() 1054 throws Exception { 1055 WritableByteChannel writableByteChannel = DatagramChannel.open(); 1056 try { 1057 readOnlyFileChannel.transferTo(10, -1, writableByteChannel); 1058 fail("should throw IllegalArgumentException."); 1059 } catch (IllegalArgumentException e) { 1060 // expected 1061 } 1062 1063 try { 1064 readWriteFileChannel.transferTo(-1, 10, writableByteChannel); 1065 fail("should throw IllegalArgumentException."); 1066 } catch (IllegalArgumentException e) { 1067 // expected 1068 } 1069 } 1070 1071 private void assertLockFails(long position, long size) throws IOException { 1072 try { 1073 readWriteFileChannel.tryLock(position, size, false); 1074 fail(); 1075 } catch (OverlappingFileLockException expected) { 1076 } 1077 } 1078 } 1079
