1 /*
2 * Copyright 2000-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any 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 void relGet(FloatBuffer b) {
42 int n = b.capacity();
43 float v;
44 for (int i = 0; i < n; i++)
45 ck(b, (long)b.get(), (long)((float)ic(i)));
46 b.rewind();
47 }
48
49 private static void relGet(FloatBuffer b, int start) {
50 int n = b.remaining();
51 float v;
52 for (int i = start; i < n; i++)
53 ck(b, (long)b.get(), (long)((float)ic(i)));
54 b.rewind();
55 }
56
57 private static void absGet(FloatBuffer b) {
58 int n = b.capacity();
59 float v;
60 for (int i = 0; i < n; i++)
61 ck(b, (long)b.get(), (long)((float)ic(i)));
62 b.rewind();
63 }
64
65 private static void bulkGet(FloatBuffer b) {
66 int n = b.capacity();
67 float[] a = new float[n + 7];
68 b.get(a, 7, n);
69 for (int i = 0; i < n; i++)
70 ck(b, (long)a[i + 7], (long)((float)ic(i)));
71 }
72
73 private static void relPut(FloatBuffer b) {
74 int n = b.capacity();
75 b.clear();
76 for (int i = 0; i < n; i++)
77 b.put((float)ic(i));
78 b.flip();
79 }
80
81 private static void absPut(FloatBuffer b) {
82 int n = b.capacity();
83 b.clear();
84 for (int i = 0; i < n; i++)
85 b.put(i, (float)ic(i));
86 b.limit(n);
87 b.position(0);
88 }
89
90 private static void bulkPutArray(FloatBuffer b) {
91 int n = b.capacity();
92 b.clear();
93 float[] a = new float[n + 7];
94 for (int i = 0; i < n; i++)
95 a[i + 7] = (float)ic(i);
96 b.put(a, 7, n);
97 b.flip();
98 }
99
100 private static void bulkPutBuffer(FloatBuffer b) {
101 int n = b.capacity();
102 b.clear();
103 FloatBuffer c = FloatBuffer.allocate(n + 7);
104 c.position(7);
105 for (int i = 0; i < n; i++)
106 c.put((float)ic(i));
107 c.flip();
108 c.position(7);
109 b.put(c);
110 b.flip();
111 }
112
113 //6231529
114 private static void callReset(FloatBuffer b) {
115 b.position(0);
116 b.mark();
117
118 b.duplicate().reset();
119 b.asReadOnlyBuffer().reset();
120 }
121
122
123
124 // 6221101-6234263
125
126 private static void putBuffer() {
127 final int cap = 10;
128
129 FloatBuffer direct1 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
130 FloatBuffer nondirect1 = ByteBuffer.allocate(cap).asFloatBuffer();
131 direct1.put(nondirect1);
132
133 FloatBuffer direct2 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
134 FloatBuffer nondirect2 = ByteBuffer.allocate(cap).asFloatBuffer();
135 nondirect2.put(direct2);
136
137 FloatBuffer direct3 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
138 FloatBuffer direct4 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
139 direct3.put(direct4);
140
141 FloatBuffer nondirect3 = ByteBuffer.allocate(cap).asFloatBuffer();
142 FloatBuffer nondirect4 = ByteBuffer.allocate(cap).asFloatBuffer();
143 nondirect3.put(nondirect4);
144 }
145
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161
162 private static void checkSlice(FloatBuffer b, FloatBuffer slice) {
163 ck(slice, 0, slice.position());
164 ck(slice, b.remaining(), slice.limit());
165 ck(slice, b.remaining(), slice.capacity());
166 if (b.isDirect() != slice.isDirect())
167 fail("Lost direction", slice);
168 if (b.isReadOnly() != slice.isReadOnly())
169 fail("Lost read-only", slice);
170 }
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311
312 private static void tryCatch(Buffer b, Class ex, Runnable thunk) {
313 boolean caught = false;
314 try {
315 thunk.run();
316 } catch (Throwable x) {
317 if (ex.isAssignableFrom(x.getClass())) {
318 caught = true;
319 } else {
320 fail(x.getMessage() + " not expected");
321 }
322 }
323 if (!caught)
324 fail(ex.getName() + " not thrown", b);
325 }
326
327 private static void tryCatch(float [] t, Class ex, Runnable thunk) {
328 tryCatch(FloatBuffer.wrap(t), ex, thunk);
329 }
330
331 public static void test(int level, final FloatBuffer b, boolean direct) {
332
333 show(level, b);
334
335 if (direct != b.isDirect())
336 fail("Wrong direction", b);
337
338 // Gets and puts
339
340 relPut(b);
341 relGet(b);
342 absGet(b);
343 bulkGet(b);
344
345 absPut(b);
346 relGet(b);
347 absGet(b);
348 bulkGet(b);
349
350 bulkPutArray(b);
351 relGet(b);
352
353 bulkPutBuffer(b);
354 relGet(b);
355
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376
377
378 // Compact
379
380 relPut(b);
381 b.position(13);
382 b.compact();
383 b.flip();
384 relGet(b, 13);
385
386 // Exceptions
387
388 relPut(b);
389 b.limit(b.capacity() / 2);
390 b.position(b.limit());
391
392 tryCatch(b, BufferUnderflowException.class, new Runnable() {
393 public void run() {
394 b.get();
395 }});
396
397 tryCatch(b, BufferOverflowException.class, new Runnable() {
398 public void run() {
399 b.put((float)42);
400 }});
401
402 // The index must be non-negative and lesss than the buffer's limit.
403 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
404 public void run() {
405 b.get(b.limit());
406 }});
407 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
408 public void run() {
409 b.get(-1);
410 }});
411
412 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
413 public void run() {
414 b.put(b.limit(), (float)42);
415 }});
416
417 tryCatch(b, InvalidMarkException.class, new Runnable() {
418 public void run() {
419 b.position(0);
420 b.mark();
421 b.compact();
422 b.reset();
423 }});
424
425 // Values
426
427 b.clear();
428 b.put((float)0);
429 b.put((float)-1);
430 b.put((float)1);
431 b.put(Float.MAX_VALUE);
432 b.put(Float.MIN_VALUE);
433
434 b.put(-Float.MAX_VALUE);
435 b.put(-Float.MIN_VALUE);
436 b.put(Float.NEGATIVE_INFINITY);
437 b.put(Float.POSITIVE_INFINITY);
438 b.put(Float.NaN);
439 b.put(0.91697687f); // Changes value if incorrectly swapped
440
441
442
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447
448
449
450 float v;
451 b.flip();
452 ck(b, b.get(), 0);
453 ck(b, b.get(), (float)-1);
454 ck(b, b.get(), 1);
455 ck(b, b.get(), Float.MAX_VALUE);
456 ck(b, b.get(), Float.MIN_VALUE);
457
458
459 ck(b, b.get(), -Float.MAX_VALUE);
460 ck(b, b.get(), -Float.MIN_VALUE);
461 ck(b, b.get(), Float.NEGATIVE_INFINITY);
462 ck(b, b.get(), Float.POSITIVE_INFINITY);
463 if (Float.floatToRawIntBits(v = b.get()) != Float.floatToRawIntBits(Float.NaN))
464 fail(b, (long)Float.NaN, (long)v);
465 ck(b, b.get(), 0.91697687f);
466
467
468
469
470
471
472
473
474
475
476
477
478
479 // Comparison
480 b.rewind();
481 FloatBuffer b2 = FloatBuffer.allocate(b.capacity());
482 b2.put(b);
483 b2.flip();
484 b.position(2);
485 b2.position(2);
486 if (!b.equals(b2)) {
487 for (int i = 2; i < b.limit(); i++) {
488 float x = b.get(i);
489 float y = b2.get(i);
490 if (x != y
491
492
493
494
495 || Float.compare(x, y) != 0
496
497 )
498 out.println("[" + i + "] " + x + " != " + y);
499 }
500 fail("Identical buffers not equal", b, b2);
501 }
502 if (b.compareTo(b2) != 0)
503 fail("Comparison to identical buffer != 0", b, b2);
504
505 b.limit(b.limit() + 1);
506 b.position(b.limit() - 1);
507 b.put((float)99);
508 b.rewind();
509 b2.rewind();
510 if (b.equals(b2))
511 fail("Non-identical buffers equal", b, b2);
512 if (b.compareTo(b2) <= 0)
513 fail("Comparison to shorter buffer <= 0", b, b2);
514 b.limit(b.limit() - 1);
515
516 b.put(2, (float)42);
517 if (b.equals(b2))
518 fail("Non-identical buffers equal", b, b2);
519 if (b.compareTo(b2) <= 0)
520 fail("Comparison to lesser buffer <= 0", b, b2);
521
522 // Sub, dup
523
524 relPut(b);
525 relGet(b.duplicate());
526 b.position(13);
527 relGet(b.duplicate(), 13);
528 relGet(b.duplicate().slice(), 13);
529 relGet(b.slice(), 13);
530 relGet(b.slice().duplicate(), 13);
531
532 // Slice
533
534 b.position(5);
535 FloatBuffer sb = b.slice();
536 checkSlice(b, sb);
537 b.position(0);
538 FloatBuffer sb2 = sb.slice();
539 checkSlice(sb, sb2);
540
541 if (!sb.equals(sb2))
542 fail("Sliced slices do not match", sb, sb2);
543 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
544 fail("Array offsets do not match: "
545 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
546
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577
578 // Read-only views
579
580 b.rewind();
581 final FloatBuffer rb = b.asReadOnlyBuffer();
582 if (!b.equals(rb))
583 fail("Buffer not equal to read-only view", b, rb);
584 show(level + 1, rb);
585
586 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
587 public void run() {
588 relPut(rb);
589 }});
590
591 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
592 public void run() {
593 absPut(rb);
594 }});
595
596 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
597 public void run() {
598 bulkPutArray(rb);
599 }});
600
601 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
602 public void run() {
603 bulkPutBuffer(rb);
604 }});
605
606 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
607 public void run() {
608 rb.compact();
609 }});
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669 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
670
671 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
672 public void run() {
673 rb.array();
674 }});
675
676 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
677 public void run() {
678 rb.arrayOffset();
679 }});
680
681 if (rb.hasArray())
682 fail("Read-only heap buffer's backing array is accessible",
683 rb);
684
685 }
686
687 // Bulk puts from read-only buffers
688
689 b.clear();
690 rb.rewind();
691 b.put(rb);
692
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703 relPut(b); // Required by testViews
704
705 }
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788
789 public static void test(final float [] ba) {
790 int offset = 47;
791 int length = 900;
792 final FloatBuffer b = FloatBuffer.wrap(ba, offset, length);
793 show(0, b);
794 ck(b, b.capacity(), ba.length);
795 ck(b, b.position(), offset);
796 ck(b, b.limit(), offset + length);
797
798 // The offset must be non-negative and no larger than <array.length>.
799 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
800 public void run() {
801 FloatBuffer.wrap(ba, -1, ba.length);
802 }});
803 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
804 public void run() {
805 FloatBuffer.wrap(ba, ba.length + 1, ba.length);
806 }});
807 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
808 public void run() {
809 FloatBuffer.wrap(ba, 0, -1);
810 }});
811 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
812 public void run() {
813 FloatBuffer.wrap(ba, 0, ba.length + 1);
814 }});
815
816 // A NullPointerException will be thrown if the array is null.
817 tryCatch(ba, NullPointerException.class, new Runnable() {
818 public void run() {
819 FloatBuffer.wrap((float []) null, 0, 5);
820 }});
821 tryCatch(ba, NullPointerException.class, new Runnable() {
822 public void run() {
823 FloatBuffer.wrap((float []) null);
824 }});
825 }
826
827 private static void testAllocate() {
828 // An IllegalArgumentException will be thrown for negative capacities.
829 tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
830 public void run() {
831 FloatBuffer.allocate(-1);
832 }});
833
834
835
836
837
838
839 }
840
841 public static void test() {
842 testAllocate();
843 test(0, FloatBuffer.allocate(7 * 1024), false);
844 test(0, FloatBuffer.wrap(new float[7 * 1024], 0, 7 * 1024), false);
845 test(new float[1024]);
846
847
848
849
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855
856 callReset(FloatBuffer.allocate(10));
857
858
859
860 putBuffer();
861
862 }
863
864 }