1 /* 2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* Type-specific source code for unit test 25 * 26 * Regenerate the BasicX classes via genBasic.sh whenever this file changes. 27 * We check in the generated source files so that the test tree can be used 28 * independently of the rest of the source tree. 29 */ 30 31 // -- This file was mechanically generated: Do not edit! -- // 32 33 import java.nio.*; 34 35 36 public class BasicDouble 37 extends Basic 38 { 39 40 private static final double[] VALUES = { 41 Double.MIN_VALUE, 42 (double) -1, 43 (double) 0, 44 (double) 1, 45 Double.MAX_VALUE, 46 47 48 49 50 51 52 53 Double.NEGATIVE_INFINITY, 54 Double.POSITIVE_INFINITY, 55 Double.NaN, 56 (double) -0.0, 57 58 }; 59 60 private static void relGet(DoubleBuffer b) { 61 int n = b.capacity(); 62 for (int i = 0; i < n; i++) { 63 ck(b, (long)b.get(), (long)((double)ic(i))); 64 } 65 b.rewind(); 66 } 67 68 private static void relGet(DoubleBuffer b, int start) { 69 int n = b.remaining(); 70 for (int i = start; i < n; i++) { 71 ck(b, (long)b.get(), (long)((double)ic(i))); 72 } 73 b.rewind(); 74 } 75 76 private static void absGet(DoubleBuffer b) { 77 int n = b.capacity(); 78 for (int i = 0; i < n; i++) { 79 ck(b, (long)b.get(), (long)((double)ic(i))); 80 } 81 b.rewind(); 82 } 83 84 private static void bulkGet(DoubleBuffer b) { 85 int n = b.capacity(); 86 double[] a = new double[n + 7]; 87 b.get(a, 7, n); 88 for (int i = 0; i < n; i++) { 89 ck(b, (long)a[i + 7], (long)((double)ic(i))); 90 } 91 } 92 93 private static void relPut(DoubleBuffer b) { 94 int n = b.capacity(); 95 b.clear(); 96 for (int i = 0; i < n; i++) { 97 b.put((double)ic(i)); 98 } 99 b.flip(); 100 } 101 102 private static void absPut(DoubleBuffer b) { 103 int n = b.capacity(); 104 b.clear(); 105 for (int i = 0; i < n; i++) { 106 b.put(i, (double)ic(i)); 107 } 108 b.limit(n); 109 b.position(0); 110 } 111 112 private static void bulkPutArray(DoubleBuffer b) { 113 int n = b.capacity(); 114 b.clear(); 115 double[] a = new double[n + 7]; 116 for (int i = 0; i < n; i++) { 117 a[i + 7] = (double)ic(i); 118 } 119 b.put(a, 7, n); 120 b.flip(); 121 } 122 123 private static void bulkPutBuffer(DoubleBuffer b) { 124 int n = b.capacity(); 125 b.clear(); 126 DoubleBuffer c = DoubleBuffer.allocate(n + 7); 127 c.position(7); 128 for (int i = 0; i < n; i++) { 129 c.put((double)ic(i)); 130 } 131 c.flip(); 132 c.position(7); 133 b.put(c); 134 b.flip(); 135 try { 136 b.put(b); 137 fail("IllegalArgumentException expected for put into same buffer"); 138 } catch (IllegalArgumentException e) { 139 if (e.getMessage() == null) { 140 fail("Non-null IllegalArgumentException message expected from" 141 + " put into same buffer"); 142 } 143 } 144 } 145 146 //6231529 147 private static void callReset(DoubleBuffer b) { 148 b.position(0); 149 b.mark(); 150 151 b.duplicate().reset(); 152 b.asReadOnlyBuffer().reset(); 153 } 154 155 156 157 // 6221101-6234263 158 159 private static void putBuffer() { 160 final int cap = 10; 161 162 DoubleBuffer direct1 = ByteBuffer.allocateDirect(cap).asDoubleBuffer(); 163 DoubleBuffer nondirect1 = ByteBuffer.allocate(cap).asDoubleBuffer(); 164 direct1.put(nondirect1); 165 166 DoubleBuffer direct2 = ByteBuffer.allocateDirect(cap).asDoubleBuffer(); 167 DoubleBuffer nondirect2 = ByteBuffer.allocate(cap).asDoubleBuffer(); 168 nondirect2.put(direct2); 169 170 DoubleBuffer direct3 = ByteBuffer.allocateDirect(cap).asDoubleBuffer(); 171 DoubleBuffer direct4 = ByteBuffer.allocateDirect(cap).asDoubleBuffer(); 172 direct3.put(direct4); 173 174 DoubleBuffer nondirect3 = ByteBuffer.allocate(cap).asDoubleBuffer(); 175 DoubleBuffer nondirect4 = ByteBuffer.allocate(cap).asDoubleBuffer(); 176 nondirect3.put(nondirect4); 177 } 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 private static void checkSlice(DoubleBuffer b, DoubleBuffer slice) { 197 ck(slice, 0, slice.position()); 198 ck(slice, b.remaining(), slice.limit()); 199 ck(slice, b.remaining(), slice.capacity()); 200 if (b.isDirect() != slice.isDirect()) { 201 fail("Lost direction", slice); 202 } 203 if (b.isReadOnly() != slice.isReadOnly()) { 204 fail("Lost read-only", slice); 205 } 206 } 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 private static void fail(String problem, 453 DoubleBuffer xb, DoubleBuffer yb, 454 double x, double y) { 455 fail(problem + String.format(": x=%s y=%s", x, y), xb, yb); 456 } 457 458 private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) { 459 boolean caught = false; 460 try { 461 thunk.run(); 462 } catch (Throwable x) { 463 if (ex.isAssignableFrom(x.getClass())) { 464 caught = true; 465 } else { 466 fail(x.getMessage() + " not expected"); 467 } 468 } 469 if (!caught) { 470 fail(ex.getName() + " not thrown", b); 471 } 472 } 473 474 private static void tryCatch(double [] t, Class<?> ex, Runnable thunk) { 475 tryCatch(DoubleBuffer.wrap(t), ex, thunk); 476 } 477 478 public static void test(int level, final DoubleBuffer b, boolean direct) { 479 480 show(level, b); 481 482 if (direct != b.isDirect()) { 483 fail("Wrong direction", b); 484 } 485 486 // Gets and puts 487 488 relPut(b); 489 relGet(b); 490 absGet(b); 491 bulkGet(b); 492 493 absPut(b); 494 relGet(b); 495 absGet(b); 496 bulkGet(b); 497 498 bulkPutArray(b); 499 relGet(b); 500 501 bulkPutBuffer(b); 502 relGet(b); 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 // Compact 542 543 relPut(b); 544 b.position(13); 545 b.compact(); 546 b.flip(); 547 relGet(b, 13); 548 549 // Exceptions 550 551 relPut(b); 552 b.limit(b.capacity() / 2); 553 b.position(b.limit()); 554 555 tryCatch(b, BufferUnderflowException.class, () -> b.get()); 556 tryCatch(b, BufferOverflowException.class, () -> b.put((double)42)); 557 // The index must be non-negative and less than the buffer's limit. 558 tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(b.limit())); 559 tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(-1)); 560 tryCatch(b, IndexOutOfBoundsException.class, () -> b.put(b.limit(), (double)42)); 561 tryCatch(b, InvalidMarkException.class, () -> b.position(0).mark().compact().reset()); 562 563 try { 564 b.position(b.limit() + 1); 565 fail("IllegalArgumentException expected for position beyond limit"); 566 } catch (IllegalArgumentException e) { 567 if (e.getMessage() == null) { 568 fail("Non-null IllegalArgumentException message expected for" 569 + " position beyond limit"); 570 } 571 } 572 573 try { 574 b.position(-1); 575 fail("IllegalArgumentException expected for negative position"); 576 } catch (IllegalArgumentException e) { 577 if (e.getMessage() == null) { 578 fail("Non-null IllegalArgumentException message expected for" 579 + " negative position"); 580 } 581 } 582 583 try { 584 b.limit(b.capacity() + 1); 585 fail("IllegalArgumentException expected for limit beyond capacity"); 586 } catch (IllegalArgumentException e) { 587 if (e.getMessage() == null) { 588 fail("Non-null IllegalArgumentException message expected for" 589 + " limit beyond capacity"); 590 } 591 } 592 593 try { 594 b.limit(-1); 595 fail("IllegalArgumentException expected for negative limit"); 596 } catch (IllegalArgumentException e) { 597 if (e.getMessage() == null) { 598 fail("Non-null IllegalArgumentException message expected for" 599 + " negative limit"); 600 } 601 } 602 603 // Values 604 605 b.clear(); 606 b.put((double)0); 607 b.put((double)-1); 608 b.put((double)1); 609 b.put(Double.MAX_VALUE); 610 b.put(Double.MIN_VALUE); 611 612 613 614 615 616 617 618 619 620 b.put(-Double.MAX_VALUE); 621 b.put(-Double.MIN_VALUE); 622 b.put(Double.NEGATIVE_INFINITY); 623 b.put(Double.POSITIVE_INFINITY); 624 b.put(Double.NaN); 625 b.put(0.5121609353879392); // Changes value if incorrectly swapped 626 627 628 b.flip(); 629 ck(b, b.get(), 0); 630 ck(b, b.get(), (double)-1); 631 ck(b, b.get(), 1); 632 ck(b, b.get(), Double.MAX_VALUE); 633 ck(b, b.get(), Double.MIN_VALUE); 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 double v; 649 ck(b, b.get(), -Double.MAX_VALUE); 650 ck(b, b.get(), -Double.MIN_VALUE); 651 ck(b, b.get(), Double.NEGATIVE_INFINITY); 652 ck(b, b.get(), Double.POSITIVE_INFINITY); 653 if (Double.doubleToRawLongBits(v = b.get()) 654 != Double.doubleToRawLongBits(Double.NaN)) { 655 fail(b, (long)Double.NaN, (long)v); 656 } 657 ck(b, b.get(), 0.5121609353879392); 658 659 660 661 // Comparison 662 b.rewind(); 663 DoubleBuffer b2 = DoubleBuffer.allocate(b.capacity()); 664 b2.put(b); 665 b2.flip(); 666 b.position(2); 667 b2.position(2); 668 if (!b.equals(b2)) { 669 for (int i = 2; i < b.limit(); i++) { 670 double x = b.get(i); 671 double y = b2.get(i); 672 if (x != y 673 674 || Double.compare(x, y) != 0 675 676 677 678 679 ) { 680 out.println("[" + i + "] " + x + " != " + y); 681 } 682 } 683 fail("Identical buffers not equal", b, b2); 684 } 685 if (b.compareTo(b2) != 0) { 686 fail("Comparison to identical buffer != 0", b, b2); 687 } 688 b.limit(b.limit() + 1); 689 b.position(b.limit() - 1); 690 b.put((double)99); 691 b.rewind(); 692 b2.rewind(); 693 if (b.equals(b2)) { 694 fail("Non-identical buffers equal", b, b2); 695 } 696 if (b.compareTo(b2) <= 0) { 697 fail("Comparison to shorter buffer <= 0", b, b2); 698 } 699 b.limit(b.limit() - 1); 700 701 b.put(2, (double)42); 702 if (b.equals(b2)) { 703 fail("Non-identical buffers equal", b, b2); 704 } 705 if (b.compareTo(b2) <= 0) { 706 fail("Comparison to lesser buffer <= 0", b, b2); 707 } 708 709 // Check equals and compareTo with interesting values 710 for (double x : VALUES) { 711 DoubleBuffer xb = DoubleBuffer.wrap(new double[] { x }); 712 if (xb.compareTo(xb) != 0) { 713 fail("compareTo not reflexive", xb, xb, x, x); 714 } 715 if (!xb.equals(xb)) { 716 fail("equals not reflexive", xb, xb, x, x); 717 } 718 for (double y : VALUES) { 719 DoubleBuffer yb = DoubleBuffer.wrap(new double[] { y }); 720 if (xb.compareTo(yb) != - yb.compareTo(xb)) { 721 fail("compareTo not anti-symmetric", 722 xb, yb, x, y); 723 } 724 if ((xb.compareTo(yb) == 0) != xb.equals(yb)) { 725 fail("compareTo inconsistent with equals", 726 xb, yb, x, y); 727 } 728 if (xb.compareTo(yb) != Double.compare(x, y)) { 729 730 731 732 733 if (x == 0.0 && y == 0.0) continue; 734 735 fail("Incorrect results for DoubleBuffer.compareTo", 736 xb, yb, x, y); 737 } 738 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) { 739 fail("Incorrect results for DoubleBuffer.equals", 740 xb, yb, x, y); 741 } 742 } 743 } 744 745 // Sub, dup 746 747 relPut(b); 748 relGet(b.duplicate()); 749 b.position(13); 750 relGet(b.duplicate(), 13); 751 relGet(b.duplicate().slice(), 13); 752 relGet(b.slice(), 13); 753 relGet(b.slice().duplicate(), 13); 754 755 // Slice 756 757 b.position(5); 758 DoubleBuffer sb = b.slice(); 759 checkSlice(b, sb); 760 b.position(0); 761 DoubleBuffer sb2 = sb.slice(); 762 checkSlice(sb, sb2); 763 764 if (!sb.equals(sb2)) { 765 fail("Sliced slices do not match", sb, sb2); 766 } 767 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset())) { 768 fail("Array offsets do not match: " 769 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2); 770 } 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 // Read-only views 804 805 b.rewind(); 806 final DoubleBuffer rb = b.asReadOnlyBuffer(); 807 if (!b.equals(rb)) { 808 fail("Buffer not equal to read-only view", b, rb); 809 } 810 show(level + 1, rb); 811 812 tryCatch(b, ReadOnlyBufferException.class, () -> relPut(rb)); 813 tryCatch(b, ReadOnlyBufferException.class, () -> absPut(rb)); 814 tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutArray(rb)); 815 tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutBuffer(rb)); 816 817 // put(DoubleBuffer) should not change source position 818 final DoubleBuffer src = DoubleBuffer.allocate(1); 819 tryCatch(b, ReadOnlyBufferException.class, () -> rb.put(src)); 820 ck(src, src.position(), 0); 821 822 tryCatch(b, ReadOnlyBufferException.class, () -> rb.compact()); 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 if (rb.getClass().getName().startsWith("java.nio.Heap")) { 858 tryCatch(b, ReadOnlyBufferException.class, () -> rb.array()); 859 tryCatch(b, ReadOnlyBufferException.class, () -> rb.arrayOffset()); 860 if (rb.hasArray()) { 861 fail("Read-only heap buffer's backing array is accessible", rb); 862 } 863 } 864 865 // Bulk puts from read-only buffers 866 867 b.clear(); 868 rb.rewind(); 869 b.put(rb); 870 871 872 873 874 875 876 877 878 879 880 881 relPut(b); // Required by testViews 882 883 884 885 886 887 888 } 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 public static void test(final double [] ba) { 975 int offset = 47; 976 int length = 900; 977 final DoubleBuffer b = DoubleBuffer.wrap(ba, offset, length); 978 show(0, b); 979 ck(b, b.capacity(), ba.length); 980 ck(b, b.position(), offset); 981 ck(b, b.limit(), offset + length); 982 983 // The offset must be non-negative and no larger than <array.length>. 984 tryCatch(ba, IndexOutOfBoundsException.class, () -> DoubleBuffer.wrap(ba, -1, ba.length)); 985 tryCatch(ba, IndexOutOfBoundsException.class, () -> DoubleBuffer.wrap(ba, ba.length + 1, ba.length)); 986 tryCatch(ba, IndexOutOfBoundsException.class, () -> DoubleBuffer.wrap(ba, 0, -1)); 987 tryCatch(ba, IndexOutOfBoundsException.class, () -> DoubleBuffer.wrap(ba, 0, ba.length + 1)); 988 989 // A NullPointerException will be thrown if the array is null. 990 tryCatch(ba, NullPointerException.class, () -> DoubleBuffer.wrap((double []) null, 0, 5)); 991 tryCatch(ba, NullPointerException.class, () -> DoubleBuffer.wrap((double []) null)); 992 } 993 994 private static void testAllocate() { 995 // An IllegalArgumentException will be thrown for negative capacities. 996 tryCatch((Buffer) null, IllegalArgumentException.class, () -> DoubleBuffer.allocate(-1)); 997 try { 998 DoubleBuffer.allocate(-1); 999 } catch (IllegalArgumentException e) { 1000 if (e.getMessage() == null) { 1001 fail("Non-null IllegalArgumentException message expected for" 1002 + " attempt to allocate negative capacity buffer"); 1003 } 1004 } 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 } 1017 1018 public static void test() { 1019 testAllocate(); 1020 test(0, DoubleBuffer.allocate(7 * 1024), false); 1021 test(0, DoubleBuffer.wrap(new double[7 * 1024], 0, 7 * 1024), false); 1022 test(new double[1024]); 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 callReset(DoubleBuffer.allocate(10)); 1035 1036 1037 1038 putBuffer(); 1039 1040 } 1041 1042 }