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 BasicShort
38 extends Basic
39 {
40
41 private static final short[] VALUES = {
42 Short.MIN_VALUE,
43 (short) -1,
44 (short) 0,
45 (short) 1,
46 Short.MAX_VALUE,
47
48
49
50
51
52
53
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55
56
57
58
59 };
60
61 private static void relGet(ShortBuffer b) {
62 int n = b.capacity();
63 short v;
64 for (int i = 0; i < n; i++)
65 ck(b, (long)b.get(), (long)((short)ic(i)));
66 b.rewind();
67 }
68
69 private static void relGet(ShortBuffer b, int start) {
70 int n = b.remaining();
71 short v;
72 for (int i = start; i < n; i++)
73 ck(b, (long)b.get(), (long)((short)ic(i)));
74 b.rewind();
75 }
76
77 private static void absGet(ShortBuffer b) {
78 int n = b.capacity();
79 short v;
80 for (int i = 0; i < n; i++)
81 ck(b, (long)b.get(), (long)((short)ic(i)));
82 b.rewind();
83 }
84
85 private static void bulkGet(ShortBuffer b) {
86 int n = b.capacity();
87 short[] a = new short[n + 7];
88 b.get(a, 7, n);
89 for (int i = 0; i < n; i++)
90 ck(b, (long)a[i + 7], (long)((short)ic(i)));
91 }
92
93 private static void relPut(ShortBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++)
97 b.put((short)ic(i));
98 b.flip();
99 }
100
101 private static void absPut(ShortBuffer b) {
102 int n = b.capacity();
103 b.clear();
104 for (int i = 0; i < n; i++)
105 b.put(i, (short)ic(i));
106 b.limit(n);
107 b.position(0);
108 }
109
110 private static void bulkPutArray(ShortBuffer b) {
111 int n = b.capacity();
112 b.clear();
113 short[] a = new short[n + 7];
114 for (int i = 0; i < n; i++)
115 a[i + 7] = (short)ic(i);
116 b.put(a, 7, n);
117 b.flip();
118 }
119
120 private static void bulkPutBuffer(ShortBuffer b) {
121 int n = b.capacity();
122 b.clear();
123 ShortBuffer c = ShortBuffer.allocate(n + 7);
124 c.position(7);
125 for (int i = 0; i < n; i++)
126 c.put((short)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(ShortBuffer b) {
135 b.position(0);
136 b.mark();
137
138 b.duplicate().reset();
139 b.asReadOnlyBuffer().reset();
140 }
141
142
143
144 // 6221101-6234263
145
146 private static void putBuffer() {
147 final int cap = 10;
148
149 ShortBuffer direct1 = ByteBuffer.allocateDirect(cap).asShortBuffer();
150 ShortBuffer nondirect1 = ByteBuffer.allocate(cap).asShortBuffer();
151 direct1.put(nondirect1);
152
153 ShortBuffer direct2 = ByteBuffer.allocateDirect(cap).asShortBuffer();
154 ShortBuffer nondirect2 = ByteBuffer.allocate(cap).asShortBuffer();
155 nondirect2.put(direct2);
156
157 ShortBuffer direct3 = ByteBuffer.allocateDirect(cap).asShortBuffer();
158 ShortBuffer direct4 = ByteBuffer.allocateDirect(cap).asShortBuffer();
159 direct3.put(direct4);
160
161 ShortBuffer nondirect3 = ByteBuffer.allocate(cap).asShortBuffer();
162 ShortBuffer nondirect4 = ByteBuffer.allocate(cap).asShortBuffer();
163 nondirect3.put(nondirect4);
164 }
165
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181
182 private static void checkSlice(ShortBuffer b, ShortBuffer 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 }
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331
332 private static void fail(String problem,
333 ShortBuffer xb, ShortBuffer yb,
334 short x, short 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(short [] t, Class<?> ex, Runnable thunk) {
354 tryCatch(ShortBuffer.wrap(t), ex, thunk);
355 }
356
357 public static void test(int level, final ShortBuffer 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
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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((short)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(), (short)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((short)0);
471 b.put((short)-1);
472 b.put((short)1);
473 b.put(Short.MAX_VALUE);
474 b.put(Short.MIN_VALUE);
475
476
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491
492 short v;
493 b.flip();
494 ck(b, b.get(), 0);
495 ck(b, b.get(), (short)-1);
496 ck(b, b.get(), 1);
497 ck(b, b.get(), Short.MAX_VALUE);
498 ck(b, b.get(), Short.MIN_VALUE);
499
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519
520
521 // Comparison
522 b.rewind();
523 ShortBuffer b2 = ShortBuffer.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 short x = b.get(i);
531 short 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((short)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, (short)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 (short x : VALUES) {
566 ShortBuffer xb = ShortBuffer.wrap(new short[] { 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 (short y : VALUES) {
574 ShortBuffer yb = ShortBuffer.wrap(new short[] { 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) != Short.compare(x, y)) {
584
585
586
587
588
589
590 fail("Incorrect results for ShortBuffer.compareTo",
591 xb, yb, x, y);
592 }
593 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
594 fail("Incorrect results for ShortBuffer.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 ShortBuffer sb = b.slice();
614 checkSlice(b, sb);
615 b.position(0);
616 ShortBuffer 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
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654
655
656 // Read-only views
657
658 b.rewind();
659 final ShortBuffer 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(ShortBuffer) should not change source position
685 final ShortBuffer src = ShortBuffer.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
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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
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805 relPut(b); // Required by testViews
806
807 }
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893 public static void test(final short [] ba) {
894 int offset = 47;
895 int length = 900;
896 final ShortBuffer b = ShortBuffer.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 ShortBuffer.wrap(ba, -1, ba.length);
906 }});
907 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
908 public void run() {
909 ShortBuffer.wrap(ba, ba.length + 1, ba.length);
910 }});
911 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
912 public void run() {
913 ShortBuffer.wrap(ba, 0, -1);
914 }});
915 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
916 public void run() {
917 ShortBuffer.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 ShortBuffer.wrap((short []) null, 0, 5);
924 }});
925 tryCatch(ba, NullPointerException.class, new Runnable() {
926 public void run() {
927 ShortBuffer.wrap((short []) 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 ShortBuffer.allocate(-1);
936 }});
937
938
939
940
941
942
943 }
944
945 public static void test() {
946 testAllocate();
947 test(0, ShortBuffer.allocate(7 * 1024), false);
948 test(0, ShortBuffer.wrap(new short[7 * 1024], 0, 7 * 1024), false);
949 test(new short[1024]);
950
951
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959
960 callReset(ShortBuffer.allocate(10));
961
962
963
964 putBuffer();
965
966 }
967
968 }