1 /*
2 * Copyright (c) 2000, 2012, 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 import java.lang.reflect.Method;
35
36
37 public class BasicByte
38 extends Basic
39 {
40
41 private static final byte[] VALUES = {
42 Byte.MIN_VALUE,
43 (byte) -1,
44 (byte) 0,
45 (byte) 1,
46 Byte.MAX_VALUE,
47
48
49
50
51
52
53
54
55
56
57
58
59 };
60
61 private static void relGet(ByteBuffer b) {
62 int n = b.capacity();
63 byte v;
64 for (int i = 0; i < n; i++)
65 ck(b, (long)b.get(), (long)((byte)ic(i)));
66 b.rewind();
67 }
68
69 private static void relGet(ByteBuffer b, int start) {
70 int n = b.remaining();
71 byte v;
72 for (int i = start; i < n; i++)
73 ck(b, (long)b.get(), (long)((byte)ic(i)));
74 b.rewind();
75 }
76
77 private static void absGet(ByteBuffer b) {
78 int n = b.capacity();
79 byte v;
80 for (int i = 0; i < n; i++)
81 ck(b, (long)b.get(), (long)((byte)ic(i)));
82 b.rewind();
83 }
84
85 private static void bulkGet(ByteBuffer b) {
86 int n = b.capacity();
87 byte[] a = new byte[n + 7];
88 b.get(a, 7, n);
89 for (int i = 0; i < n; i++)
90 ck(b, (long)a[i + 7], (long)((byte)ic(i)));
91 }
92
93 private static void relPut(ByteBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++)
97 b.put((byte)ic(i));
98 b.flip();
99 }
100
101 private static void absPut(ByteBuffer b) {
102 int n = b.capacity();
103 b.clear();
104 for (int i = 0; i < n; i++)
105 b.put(i, (byte)ic(i));
106 b.limit(n);
107 b.position(0);
108 }
109
110 private static void bulkPutArray(ByteBuffer b) {
111 int n = b.capacity();
112 b.clear();
113 byte[] a = new byte[n + 7];
114 for (int i = 0; i < n; i++)
115 a[i + 7] = (byte)ic(i);
116 b.put(a, 7, n);
117 b.flip();
118 }
119
120 private static void bulkPutBuffer(ByteBuffer b) {
121 int n = b.capacity();
122 b.clear();
123 ByteBuffer c = ByteBuffer.allocate(n + 7);
124 c.position(7);
125 for (int i = 0; i < n; i++)
126 c.put((byte)ic(i));
127 c.flip();
128 c.position(7);
129 b.put(c);
130 b.flip();
131 }
132
133 //6231529
134 private static void callReset(ByteBuffer b) {
135 b.position(0);
136 b.mark();
137
138 b.duplicate().reset();
139 b.asReadOnlyBuffer().reset();
140 }
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182 private static void checkSlice(ByteBuffer b, ByteBuffer slice) {
183 ck(slice, 0, slice.position());
184 ck(slice, b.remaining(), slice.limit());
185 ck(slice, b.remaining(), slice.capacity());
186 if (b.isDirect() != slice.isDirect())
187 fail("Lost direction", slice);
188 if (b.isReadOnly() != slice.isReadOnly())
189 fail("Lost read-only", slice);
190 }
191
192
193
194 private static void checkBytes(ByteBuffer b, byte[] bs) {
195 int n = bs.length;
196 int p = b.position();
197 byte v;
198 if (b.order() == ByteOrder.BIG_ENDIAN) {
199 for (int i = 0; i < n; i++)
200 ck(b, b.get(), bs[i]);
201 } else {
202 for (int i = n - 1; i >= 0; i--)
203 ck(b, b.get(), bs[i]);
204 }
205 b.position(p);
206 }
207
208 private static void compact(Buffer b) {
209 try {
210 Class<?> cl = b.getClass();
211 Method m = cl.getDeclaredMethod("compact");
212 m.setAccessible(true);
213 m.invoke(b);
214 } catch (Exception e) {
215 fail(e.getMessage(), b);
216 }
217 }
218
219 private static void checkInvalidMarkException(final Buffer b) {
220 tryCatch(b, InvalidMarkException.class, new Runnable() {
221 public void run() {
222 b.mark();
223 compact(b);
224 b.reset();
225 }});
226 }
227
228 private static void testViews(int level, ByteBuffer b, boolean direct) {
229
230 ShortBuffer sb = b.asShortBuffer();
231 BasicShort.test(level, sb, direct);
232 checkBytes(b, new byte[] { 0, (byte)ic(0) });
233 checkInvalidMarkException(sb);
234
235 CharBuffer cb = b.asCharBuffer();
236 BasicChar.test(level, cb, direct);
237 checkBytes(b, new byte[] { 0, (byte)ic(0) });
238 checkInvalidMarkException(cb);
239
240 IntBuffer ib = b.asIntBuffer();
241 BasicInt.test(level, ib, direct);
242 checkBytes(b, new byte[] { 0, 0, 0, (byte)ic(0) });
243 checkInvalidMarkException(ib);
244
245 LongBuffer lb = b.asLongBuffer();
246 BasicLong.test(level, lb, direct);
247 checkBytes(b, new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte)ic(0) });
248 checkInvalidMarkException(lb);
249
250 FloatBuffer fb = b.asFloatBuffer();
251 BasicFloat.test(level, fb, direct);
252 checkBytes(b, new byte[] { 0x42, (byte)0xc2, 0, 0 });
253 checkInvalidMarkException(fb);
254
255 DoubleBuffer db = b.asDoubleBuffer();
256 BasicDouble.test(level, db, direct);
257 checkBytes(b, new byte[] { 0x40, 0x58, 0x40, 0, 0, 0, 0, 0 });
258 checkInvalidMarkException(db);
259 }
260
261 private static void testHet(int level, ByteBuffer b) {
262
263 int p = b.position();
264 b.limit(b.capacity());
265 show(level, b);
266 out.print(" put:");
267
268 b.putChar((char)1);
269 b.putChar((char)Character.MAX_VALUE);
270 out.print(" char");
271
272 b.putShort((short)1);
273 b.putShort((short)Short.MAX_VALUE);
274 out.print(" short");
275
276 b.putInt(1);
277 b.putInt(Integer.MAX_VALUE);
278 out.print(" int");
279
280 b.putLong((long)1);
281 b.putLong((long)Long.MAX_VALUE);
282 out.print(" long");
283
284 b.putFloat((float)1);
285 b.putFloat((float)Float.MIN_VALUE);
286 b.putFloat((float)Float.MAX_VALUE);
287 out.print(" float");
288
289 b.putDouble((double)1);
290 b.putDouble((double)Double.MIN_VALUE);
291 b.putDouble((double)Double.MAX_VALUE);
292 out.print(" double");
293
294 out.println();
295 b.limit(b.position());
296 b.position(p);
297 show(level, b);
298 out.print(" get:");
299
300 ck(b, b.getChar(), 1);
301 ck(b, b.getChar(), Character.MAX_VALUE);
302 out.print(" char");
303
304 ck(b, b.getShort(), 1);
305 ck(b, b.getShort(), Short.MAX_VALUE);
306 out.print(" short");
307
308 ck(b, b.getInt(), 1);
309 ck(b, b.getInt(), Integer.MAX_VALUE);
310 out.print(" int");
311
312 ck(b, b.getLong(), 1);
313 ck(b, b.getLong(), Long.MAX_VALUE);
314 out.print(" long");
315
316 ck(b, (long)b.getFloat(), 1);
317 ck(b, (long)b.getFloat(), (long)Float.MIN_VALUE);
318 ck(b, (long)b.getFloat(), (long)Float.MAX_VALUE);
319 out.print(" float");
320
321 ck(b, (long)b.getDouble(), 1);
322 ck(b, (long)b.getDouble(), (long)Double.MIN_VALUE);
323 ck(b, (long)b.getDouble(), (long)Double.MAX_VALUE);
324 out.print(" double");
325
326 out.println();
327
328 }
329
330
331
332 private static void fail(String problem,
333 ByteBuffer xb, ByteBuffer yb,
334 byte x, byte y) {
335 fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
336 }
337
338 private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
339 boolean caught = false;
340 try {
341 thunk.run();
342 } catch (Throwable x) {
343 if (ex.isAssignableFrom(x.getClass())) {
344 caught = true;
345 } else {
346 fail(x.getMessage() + " not expected");
347 }
348 }
349 if (!caught)
350 fail(ex.getName() + " not thrown", b);
351 }
352
353 private static void tryCatch(byte [] t, Class<?> ex, Runnable thunk) {
354 tryCatch(ByteBuffer.wrap(t), ex, thunk);
355 }
356
357 public static void test(int level, final ByteBuffer b, boolean direct) {
358
359 show(level, b);
360
361 if (direct != b.isDirect())
362 fail("Wrong direction", b);
363
364 // Gets and puts
365
366 relPut(b);
367 relGet(b);
368 absGet(b);
369 bulkGet(b);
370
371 absPut(b);
372 relGet(b);
373 absGet(b);
374 bulkGet(b);
375
376 bulkPutArray(b);
377 relGet(b);
378
379 bulkPutBuffer(b);
380 relGet(b);
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 // Compact
421
422 relPut(b);
423 b.position(13);
424 b.compact();
425 b.flip();
426 relGet(b, 13);
427
428 // Exceptions
429
430 relPut(b);
431 b.limit(b.capacity() / 2);
432 b.position(b.limit());
433
434 tryCatch(b, BufferUnderflowException.class, new Runnable() {
435 public void run() {
436 b.get();
437 }});
438
439 tryCatch(b, BufferOverflowException.class, new Runnable() {
440 public void run() {
441 b.put((byte)42);
442 }});
443
444 // The index must be non-negative and lesss than the buffer's limit.
445 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
446 public void run() {
447 b.get(b.limit());
448 }});
449 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
450 public void run() {
451 b.get(-1);
452 }});
453
454 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
455 public void run() {
456 b.put(b.limit(), (byte)42);
457 }});
458
459 tryCatch(b, InvalidMarkException.class, new Runnable() {
460 public void run() {
461 b.position(0);
462 b.mark();
463 b.compact();
464 b.reset();
465 }});
466
467 // Values
468
469 b.clear();
470 b.put((byte)0);
471 b.put((byte)-1);
472 b.put((byte)1);
473 b.put(Byte.MAX_VALUE);
474 b.put(Byte.MIN_VALUE);
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492 byte v;
493 b.flip();
494 ck(b, b.get(), 0);
495 ck(b, b.get(), (byte)-1);
496 ck(b, b.get(), 1);
497 ck(b, b.get(), Byte.MAX_VALUE);
498 ck(b, b.get(), Byte.MIN_VALUE);
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521 // Comparison
522 b.rewind();
523 ByteBuffer b2 = ByteBuffer.allocate(b.capacity());
524 b2.put(b);
525 b2.flip();
526 b.position(2);
527 b2.position(2);
528 if (!b.equals(b2)) {
529 for (int i = 2; i < b.limit(); i++) {
530 byte x = b.get(i);
531 byte y = b2.get(i);
532 if (x != y
533
534
535
536
537
538
539 )
540 out.println("[" + i + "] " + x + " != " + y);
541 }
542 fail("Identical buffers not equal", b, b2);
543 }
544 if (b.compareTo(b2) != 0)
545 fail("Comparison to identical buffer != 0", b, b2);
546
547 b.limit(b.limit() + 1);
548 b.position(b.limit() - 1);
549 b.put((byte)99);
550 b.rewind();
551 b2.rewind();
552 if (b.equals(b2))
553 fail("Non-identical buffers equal", b, b2);
554 if (b.compareTo(b2) <= 0)
555 fail("Comparison to shorter buffer <= 0", b, b2);
556 b.limit(b.limit() - 1);
557
558 b.put(2, (byte)42);
559 if (b.equals(b2))
560 fail("Non-identical buffers equal", b, b2);
561 if (b.compareTo(b2) <= 0)
562 fail("Comparison to lesser buffer <= 0", b, b2);
563
564 // Check equals and compareTo with interesting values
565 for (byte x : VALUES) {
566 ByteBuffer xb = ByteBuffer.wrap(new byte[] { x });
567 if (xb.compareTo(xb) != 0) {
568 fail("compareTo not reflexive", xb, xb, x, x);
569 }
570 if (! xb.equals(xb)) {
571 fail("equals not reflexive", xb, xb, x, x);
572 }
573 for (byte y : VALUES) {
574 ByteBuffer yb = ByteBuffer.wrap(new byte[] { y });
575 if (xb.compareTo(yb) != - yb.compareTo(xb)) {
576 fail("compareTo not anti-symmetric",
577 xb, yb, x, y);
578 }
579 if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
580 fail("compareTo inconsistent with equals",
581 xb, yb, x, y);
582 }
583 if (xb.compareTo(yb) != Byte.compare(x, y)) {
584
585
586
587
588
589
590 fail("Incorrect results for ByteBuffer.compareTo",
591 xb, yb, x, y);
592 }
593 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
594 fail("Incorrect results for ByteBuffer.equals",
595 xb, yb, x, y);
596 }
597 }
598 }
599
600 // Sub, dup
601
602 relPut(b);
603 relGet(b.duplicate());
604 b.position(13);
605 relGet(b.duplicate(), 13);
606 relGet(b.duplicate().slice(), 13);
607 relGet(b.slice(), 13);
608 relGet(b.slice().duplicate(), 13);
609
610 // Slice
611
612 b.position(5);
613 ByteBuffer sb = b.slice();
614 checkSlice(b, sb);
615 b.position(0);
616 ByteBuffer sb2 = sb.slice();
617 checkSlice(sb, sb2);
618
619 if (!sb.equals(sb2))
620 fail("Sliced slices do not match", sb, sb2);
621 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
622 fail("Array offsets do not match: "
623 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
624
625
626
627 // Views
628
629 b.clear();
630 b.order(ByteOrder.BIG_ENDIAN);
631 testViews(level + 1, b, direct);
632
633 for (int i = 1; i <= 9; i++) {
634 b.position(i);
635 show(level + 1, b);
636 testViews(level + 2, b, direct);
637 }
638
639 b.position(0);
640 b.order(ByteOrder.LITTLE_ENDIAN);
641 testViews(level + 1, b, direct);
642
643 // Heterogeneous accessors
644
645 b.order(ByteOrder.BIG_ENDIAN);
646 for (int i = 0; i <= 9; i++) {
647 b.position(i);
648 testHet(level + 1, b);
649 }
650 b.order(ByteOrder.LITTLE_ENDIAN);
651 b.position(3);
652 testHet(level + 1, b);
653
654
655
656 // Read-only views
657
658 b.rewind();
659 final ByteBuffer rb = b.asReadOnlyBuffer();
660 if (!b.equals(rb))
661 fail("Buffer not equal to read-only view", b, rb);
662 show(level + 1, rb);
663
664 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
665 public void run() {
666 relPut(rb);
667 }});
668
669 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
670 public void run() {
671 absPut(rb);
672 }});
673
674 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
675 public void run() {
676 bulkPutArray(rb);
677 }});
678
679 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
680 public void run() {
681 bulkPutBuffer(rb);
682 }});
683
684 // put(ByteBuffer) should not change source position
685 final ByteBuffer src = ByteBuffer.allocate(1);
686 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
687 public void run() {
688 rb.put(src);
689 }});
690 ck(src, src.position(), 0);
691
692 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
693 public void run() {
694 rb.compact();
695 }});
696
697
698
699 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
700 public void run() {
701 rb.putChar((char)1);
702 }});
703 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
704 public void run() {
705 rb.putChar(0, (char)1);
706 }});
707
708 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
709 public void run() {
710 rb.putShort((short)1);
711 }});
712 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
713 public void run() {
714 rb.putShort(0, (short)1);
715 }});
716
717 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
718 public void run() {
719 rb.putInt(1);
720 }});
721 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
722 public void run() {
723 rb.putInt(0, 1);
724 }});
725
726 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
727 public void run() {
728 rb.putLong((long)1);
729 }});
730 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
731 public void run() {
732 rb.putLong(0, (long)1);
733 }});
734
735 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
736 public void run() {
737 rb.putFloat((float)1);
738 }});
739 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
740 public void run() {
741 rb.putFloat(0, (float)1);
742 }});
743
744 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
745 public void run() {
746 rb.putDouble((double)1);
747 }});
748 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
749 public void run() {
750 rb.putDouble(0, (double)1);
751 }});
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
772
773 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
774 public void run() {
775 rb.array();
776 }});
777
778 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
779 public void run() {
780 rb.arrayOffset();
781 }});
782
783 if (rb.hasArray())
784 fail("Read-only heap buffer's backing array is accessible",
785 rb);
786
787 }
788
789 // Bulk puts from read-only buffers
790
791 b.clear();
792 rb.rewind();
793 b.put(rb);
794
795
796 // For byte buffers, test both the direct and non-direct cases
797 ByteBuffer ob
798 = (b.isDirect()
799 ? ByteBuffer.allocate(rb.capacity())
800 : ByteBuffer.allocateDirect(rb.capacity()));
801 rb.rewind();
802 ob.put(rb);
803
804
805 relPut(b); // Required by testViews
806
807 }
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
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
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893 public static void test(final byte [] ba) {
894 int offset = 47;
895 int length = 900;
896 final ByteBuffer b = ByteBuffer.wrap(ba, offset, length);
897 show(0, b);
898 ck(b, b.capacity(), ba.length);
899 ck(b, b.position(), offset);
900 ck(b, b.limit(), offset + length);
901
902 // The offset must be non-negative and no larger than <array.length>.
903 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
904 public void run() {
905 ByteBuffer.wrap(ba, -1, ba.length);
906 }});
907 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
908 public void run() {
909 ByteBuffer.wrap(ba, ba.length + 1, ba.length);
910 }});
911 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
912 public void run() {
913 ByteBuffer.wrap(ba, 0, -1);
914 }});
915 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
916 public void run() {
917 ByteBuffer.wrap(ba, 0, ba.length + 1);
918 }});
919
920 // A NullPointerException will be thrown if the array is null.
921 tryCatch(ba, NullPointerException.class, new Runnable() {
922 public void run() {
923 ByteBuffer.wrap((byte []) null, 0, 5);
924 }});
925 tryCatch(ba, NullPointerException.class, new Runnable() {
926 public void run() {
927 ByteBuffer.wrap((byte []) null);
928 }});
929 }
930
931 private static void testAllocate() {
932 // An IllegalArgumentException will be thrown for negative capacities.
933 tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
934 public void run() {
935 ByteBuffer.allocate(-1);
936 }});
937
938 tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
939 public void run() {
940 ByteBuffer.allocateDirect(-1);
941 }});
942
943 }
944
945 public static void test() {
946 testAllocate();
947 test(0, ByteBuffer.allocate(7 * 1024), false);
948 test(0, ByteBuffer.wrap(new byte[7 * 1024], 0, 7 * 1024), false);
949 test(new byte[1024]);
950
951 ByteBuffer b = ByteBuffer.allocateDirect(7 * 1024);
952 for (b.position(0); b.position() < b.limit(); )
953 ck(b, b.get(), 0);
954 test(0, b, true);
955
956
957
958
959
960 callReset(ByteBuffer.allocate(10));
961
962
963
964
965
966 }
967
968 }