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 BasicFloat
38 extends Basic
39 {
40
41 private static final float[] VALUES = {
42 Float.MIN_VALUE,
43 (float) -1,
44 (float) 0,
45 (float) 1,
46 Float.MAX_VALUE,
47
48 Float.NEGATIVE_INFINITY,
49 Float.POSITIVE_INFINITY,
50 Float.NaN,
51 (float) -0.0,
52
53
54
55
56
57
58
59 };
60
61 private static void relGet(FloatBuffer b) {
62 int n = b.capacity();
63 float v;
64 for (int i = 0; i < n; i++)
65 ck(b, (long)b.get(), (long)((float)ic(i)));
66 b.rewind();
67 }
68
69 private static void relGet(FloatBuffer b, int start) {
70 int n = b.remaining();
71 float v;
72 for (int i = start; i < n; i++)
73 ck(b, (long)b.get(), (long)((float)ic(i)));
74 b.rewind();
75 }
76
77 private static void absGet(FloatBuffer b) {
78 int n = b.capacity();
79 float v;
80 for (int i = 0; i < n; i++)
81 ck(b, (long)b.get(), (long)((float)ic(i)));
82 b.rewind();
83 }
84
85 private static void bulkGet(FloatBuffer b) {
86 int n = b.capacity();
87 float[] a = new float[n + 7];
88 b.get(a, 7, n);
89 for (int i = 0; i < n; i++)
90 ck(b, (long)a[i + 7], (long)((float)ic(i)));
91 }
92
93 private static void relPut(FloatBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++)
97 b.put((float)ic(i));
98 b.flip();
99 }
100
101 private static void absPut(FloatBuffer b) {
102 int n = b.capacity();
103 b.clear();
104 for (int i = 0; i < n; i++)
105 b.put(i, (float)ic(i));
106 b.limit(n);
107 b.position(0);
108 }
109
110 private static void bulkPutArray(FloatBuffer b) {
111 int n = b.capacity();
112 b.clear();
113 float[] a = new float[n + 7];
114 for (int i = 0; i < n; i++)
115 a[i + 7] = (float)ic(i);
116 b.put(a, 7, n);
117 b.flip();
118 }
119
120 private static void bulkPutBuffer(FloatBuffer b) {
121 int n = b.capacity();
122 b.clear();
123 FloatBuffer c = FloatBuffer.allocate(n + 7);
124 c.position(7);
125 for (int i = 0; i < n; i++)
126 c.put((float)ic(i));
127 c.flip();
128 c.position(7);
129 b.put(c);
130 b.flip();
131 try {
132 b.put(b);
133 fail("IllegalArgumentException expected for putting into same buffer");
134 } catch (IllegalArgumentException e) {
135 if (e.getMessage() == null) {
136 fail("Non-null IllegalArgumentException message expected from putting into same buffer");
137 }
138 }
139 }
140
141 //6231529
142 private static void callReset(FloatBuffer b) {
143 b.position(0);
144 b.mark();
145
146 b.duplicate().reset();
147 b.asReadOnlyBuffer().reset();
148 }
149
150
151
152 // 6221101-6234263
153
154 private static void putBuffer() {
155 final int cap = 10;
156
157 FloatBuffer direct1 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
158 FloatBuffer nondirect1 = ByteBuffer.allocate(cap).asFloatBuffer();
159 direct1.put(nondirect1);
160
161 FloatBuffer direct2 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
162 FloatBuffer nondirect2 = ByteBuffer.allocate(cap).asFloatBuffer();
163 nondirect2.put(direct2);
164
165 FloatBuffer direct3 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
166 FloatBuffer direct4 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
167 direct3.put(direct4);
168
169 FloatBuffer nondirect3 = ByteBuffer.allocate(cap).asFloatBuffer();
170 FloatBuffer nondirect4 = ByteBuffer.allocate(cap).asFloatBuffer();
171 nondirect3.put(nondirect4);
172 }
173
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189
190 private static void checkSlice(FloatBuffer b, FloatBuffer slice) {
191 ck(slice, 0, slice.position());
192 ck(slice, b.remaining(), slice.limit());
193 ck(slice, b.remaining(), slice.capacity());
194 if (b.isDirect() != slice.isDirect())
195 fail("Lost direction", slice);
196 if (b.isReadOnly() != slice.isReadOnly())
197 fail("Lost read-only", slice);
198 }
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340 private static void fail(String problem,
341 FloatBuffer xb, FloatBuffer yb,
342 float x, float y) {
343 fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
344 }
345
346 private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
347 boolean caught = false;
348 try {
349 thunk.run();
350 } catch (Throwable x) {
351 if (ex.isAssignableFrom(x.getClass())) {
352 caught = true;
353 } else {
354 fail(x.getMessage() + " not expected");
355 }
356 }
357 if (!caught)
358 fail(ex.getName() + " not thrown", b);
359 }
360
361 private static void tryCatch(float [] t, Class<?> ex, Runnable thunk) {
362 tryCatch(FloatBuffer.wrap(t), ex, thunk);
363 }
364
365 public static void test(int level, final FloatBuffer b, boolean direct) {
366
367 show(level, b);
368
369 if (direct != b.isDirect())
370 fail("Wrong direction", b);
371
372 // Gets and puts
373
374 relPut(b);
375 relGet(b);
376 absGet(b);
377 bulkGet(b);
378
379 absPut(b);
380 relGet(b);
381 absGet(b);
382 bulkGet(b);
383
384 bulkPutArray(b);
385 relGet(b);
386
387 bulkPutBuffer(b);
388 relGet(b);
389
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425
426
427
428 // Compact
429
430 relPut(b);
431 b.position(13);
432 b.compact();
433 b.flip();
434 relGet(b, 13);
435
436 // Exceptions
437
438 relPut(b);
439 b.limit(b.capacity() / 2);
440 b.position(b.limit());
441
442 tryCatch(b, BufferUnderflowException.class, new Runnable() {
443 public void run() {
444 b.get();
445 }});
446
447 tryCatch(b, BufferOverflowException.class, new Runnable() {
448 public void run() {
449 b.put((float)42);
450 }});
451
452 // The index must be non-negative and lesss than the buffer's limit.
453 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
454 public void run() {
455 b.get(b.limit());
456 }});
457 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
458 public void run() {
459 b.get(-1);
460 }});
461
462 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
463 public void run() {
464 b.put(b.limit(), (float)42);
465 }});
466
467 tryCatch(b, InvalidMarkException.class, new Runnable() {
468 public void run() {
469 b.position(0);
470 b.mark();
471 b.compact();
472 b.reset();
473 }});
474
475 try {
476 b.position(b.limit() + 1);
477 fail("IllegalArgumentException expected for setting position beyond limit");
478 } catch (IllegalArgumentException e) {
479 if (e.getMessage() == null) {
480 fail("Non-null IllegalArgumentException message expected for setting position beyond limit");
481 }
482 }
483
484 try {
485 b.position(-1);
486 fail("IllegalArgumentException expected for setting negative position");
487 } catch (IllegalArgumentException e) {
488 if (e.getMessage() == null) {
489 fail("Non-null IllegalArgumentException message expected for setting negative position");
490 }
491 }
492
493 try {
494 b.limit(b.capacity() + 1);
495 fail("IllegalArgumentException expected for setting limit beyond capacity");
496 } catch (IllegalArgumentException e) {
497 if (e.getMessage() == null) {
498 fail("Non-null IllegalArgumentException message expected for setting limit beyond capacity");
499 }
500 }
501
502 try {
503 b.limit(-1);
504 fail("IllegalArgumentException expected for setting negative limit");
505 } catch (IllegalArgumentException e) {
506 if (e.getMessage() == null) {
507 fail("Non-null IllegalArgumentException message expected for setting negative limit");
508 }
509 }
510
511 // Values
512
513 b.clear();
514 b.put((float)0);
515 b.put((float)-1);
516 b.put((float)1);
517 b.put(Float.MAX_VALUE);
518 b.put(Float.MIN_VALUE);
519
520 b.put(-Float.MAX_VALUE);
521 b.put(-Float.MIN_VALUE);
522 b.put(Float.NEGATIVE_INFINITY);
523 b.put(Float.POSITIVE_INFINITY);
524 b.put(Float.NaN);
525 b.put(0.91697687f); // Changes value if incorrectly swapped
526
527
528
529
530
531
532
533
534
535
536 float v;
537 b.flip();
538 ck(b, b.get(), 0);
539 ck(b, b.get(), (float)-1);
540 ck(b, b.get(), 1);
541 ck(b, b.get(), Float.MAX_VALUE);
542 ck(b, b.get(), Float.MIN_VALUE);
543
544
545 ck(b, b.get(), -Float.MAX_VALUE);
546 ck(b, b.get(), -Float.MIN_VALUE);
547 ck(b, b.get(), Float.NEGATIVE_INFINITY);
548 ck(b, b.get(), Float.POSITIVE_INFINITY);
549 if (Float.floatToRawIntBits(v = b.get()) != Float.floatToRawIntBits(Float.NaN))
550 fail(b, (long)Float.NaN, (long)v);
551 ck(b, b.get(), 0.91697687f);
552
553
554
555
556
557
558
559
560
561
562
563
564
565 // Comparison
566 b.rewind();
567 FloatBuffer b2 = FloatBuffer.allocate(b.capacity());
568 b2.put(b);
569 b2.flip();
570 b.position(2);
571 b2.position(2);
572 if (!b.equals(b2)) {
573 for (int i = 2; i < b.limit(); i++) {
574 float x = b.get(i);
575 float y = b2.get(i);
576 if (x != y
577
578
579
580
581 || Float.compare(x, y) != 0
582
583 )
584 out.println("[" + i + "] " + x + " != " + y);
585 }
586 fail("Identical buffers not equal", b, b2);
587 }
588 if (b.compareTo(b2) != 0)
589 fail("Comparison to identical buffer != 0", b, b2);
590
591 b.limit(b.limit() + 1);
592 b.position(b.limit() - 1);
593 b.put((float)99);
594 b.rewind();
595 b2.rewind();
596 if (b.equals(b2))
597 fail("Non-identical buffers equal", b, b2);
598 if (b.compareTo(b2) <= 0)
599 fail("Comparison to shorter buffer <= 0", b, b2);
600 b.limit(b.limit() - 1);
601
602 b.put(2, (float)42);
603 if (b.equals(b2))
604 fail("Non-identical buffers equal", b, b2);
605 if (b.compareTo(b2) <= 0)
606 fail("Comparison to lesser buffer <= 0", b, b2);
607
608 // Check equals and compareTo with interesting values
609 for (float x : VALUES) {
610 FloatBuffer xb = FloatBuffer.wrap(new float[] { x });
611 if (xb.compareTo(xb) != 0) {
612 fail("compareTo not reflexive", xb, xb, x, x);
613 }
614 if (! xb.equals(xb)) {
615 fail("equals not reflexive", xb, xb, x, x);
616 }
617 for (float y : VALUES) {
618 FloatBuffer yb = FloatBuffer.wrap(new float[] { y });
619 if (xb.compareTo(yb) != - yb.compareTo(xb)) {
620 fail("compareTo not anti-symmetric",
621 xb, yb, x, y);
622 }
623 if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
624 fail("compareTo inconsistent with equals",
625 xb, yb, x, y);
626 }
627 if (xb.compareTo(yb) != Float.compare(x, y)) {
628
629 if (x == 0.0 && y == 0.0) continue;
630
631
632
633
634 fail("Incorrect results for FloatBuffer.compareTo",
635 xb, yb, x, y);
636 }
637 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
638 fail("Incorrect results for FloatBuffer.equals",
639 xb, yb, x, y);
640 }
641 }
642 }
643
644 // Sub, dup
645
646 relPut(b);
647 relGet(b.duplicate());
648 b.position(13);
649 relGet(b.duplicate(), 13);
650 relGet(b.duplicate().slice(), 13);
651 relGet(b.slice(), 13);
652 relGet(b.slice().duplicate(), 13);
653
654 // Slice
655
656 b.position(5);
657 FloatBuffer sb = b.slice();
658 checkSlice(b, sb);
659 b.position(0);
660 FloatBuffer sb2 = sb.slice();
661 checkSlice(sb, sb2);
662
663 if (!sb.equals(sb2))
664 fail("Sliced slices do not match", sb, sb2);
665 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
666 fail("Array offsets do not match: "
667 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
668
669
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697
698
699
700 // Read-only views
701
702 b.rewind();
703 final FloatBuffer rb = b.asReadOnlyBuffer();
704 if (!b.equals(rb))
705 fail("Buffer not equal to read-only view", b, rb);
706 show(level + 1, rb);
707
708 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
709 public void run() {
710 relPut(rb);
711 }});
712
713 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
714 public void run() {
715 absPut(rb);
716 }});
717
718 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
719 public void run() {
720 bulkPutArray(rb);
721 }});
722
723 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
724 public void run() {
725 bulkPutBuffer(rb);
726 }});
727
728 // put(FloatBuffer) should not change source position
729 final FloatBuffer src = FloatBuffer.allocate(1);
730 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
731 public void run() {
732 rb.put(src);
733 }});
734 ck(src, src.position(), 0);
735
736 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
737 public void run() {
738 rb.compact();
739 }});
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815 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
816
817 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
818 public void run() {
819 rb.array();
820 }});
821
822 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
823 public void run() {
824 rb.arrayOffset();
825 }});
826
827 if (rb.hasArray())
828 fail("Read-only heap buffer's backing array is accessible",
829 rb);
830
831 }
832
833 // Bulk puts from read-only buffers
834
835 b.clear();
836 rb.rewind();
837 b.put(rb);
838
839
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844
845
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847
848
849 relPut(b); // Required by testViews
850
851 }
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936
937 public static void test(final float [] ba) {
938 int offset = 47;
939 int length = 900;
940 final FloatBuffer b = FloatBuffer.wrap(ba, offset, length);
941 show(0, b);
942 ck(b, b.capacity(), ba.length);
943 ck(b, b.position(), offset);
944 ck(b, b.limit(), offset + length);
945
946 // The offset must be non-negative and no larger than <array.length>.
947 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
948 public void run() {
949 FloatBuffer.wrap(ba, -1, ba.length);
950 }});
951 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
952 public void run() {
953 FloatBuffer.wrap(ba, ba.length + 1, ba.length);
954 }});
955 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
956 public void run() {
957 FloatBuffer.wrap(ba, 0, -1);
958 }});
959 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
960 public void run() {
961 FloatBuffer.wrap(ba, 0, ba.length + 1);
962 }});
963
964 // A NullPointerException will be thrown if the array is null.
965 tryCatch(ba, NullPointerException.class, new Runnable() {
966 public void run() {
967 FloatBuffer.wrap((float []) null, 0, 5);
968 }});
969 tryCatch(ba, NullPointerException.class, new Runnable() {
970 public void run() {
971 FloatBuffer.wrap((float []) null);
972 }});
973 }
974
975 private static void testAllocate() {
976 // An IllegalArgumentException will be thrown for negative capacities.
977 tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
978 public void run() {
979 FloatBuffer.allocate(-1);
980 }});
981 try {
982 FloatBuffer.allocate(-1);
983 } catch (IllegalArgumentException e) {
984 if (e.getMessage() == null) {
985 fail("Non-null IllegalArgumentException message expected attempt to allocate negative capacity buffer");
986 }
987 }
988
989
990
991
992
993
994
995
996
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999
1000
1001 }
1002
1003 public static void test() {
1004 testAllocate();
1005 test(0, FloatBuffer.allocate(7 * 1024), false);
1006 test(0, FloatBuffer.wrap(new float[7 * 1024], 0, 7 * 1024), false);
1007 test(new float[1024]);
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018 callReset(FloatBuffer.allocate(10));
1019
1020
1021
1022 putBuffer();
1023
1024 }
1025
1026 }