1 /*
2 * Copyright (c) 2000, 2019, 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 #warn This file is preprocessed before being compiled
32
33 import java.nio.*;
34
35
36 public class Basic$Type$
37 extends Basic
38 {
39
40 private static final $type$[] VALUES = {
41 $Fulltype$.MIN_VALUE,
42 ($type$) -1,
43 ($type$) 0,
44 ($type$) 1,
45 $Fulltype$.MAX_VALUE,
46 #if[float]
47 $Fulltype$.NEGATIVE_INFINITY,
48 $Fulltype$.POSITIVE_INFINITY,
49 $Fulltype$.NaN,
50 ($type$) -0.0,
51 #end[float]
52 #if[double]
53 $Fulltype$.NEGATIVE_INFINITY,
54 $Fulltype$.POSITIVE_INFINITY,
55 $Fulltype$.NaN,
56 ($type$) -0.0,
57 #end[double]
58 };
59
60 private static void relGet($Type$Buffer b) {
61 int n = b.capacity();
62 for (int i = 0; i < n; i++)
63 ck(b, (long)b.get(), (long)(($type$)ic(i)));
64 b.rewind();
65 }
66
67 private static void relGet($Type$Buffer b, int start) {
68 int n = b.remaining();
69 for (int i = start; i < n; i++)
70 ck(b, (long)b.get(), (long)(($type$)ic(i)));
71 b.rewind();
72 }
73
74 private static void absGet($Type$Buffer b) {
75 int n = b.capacity();
76 for (int i = 0; i < n; i++)
77 ck(b, (long)b.get(), (long)(($type$)ic(i)));
78 b.rewind();
79 }
80
81 private static void bulkGet($Type$Buffer b) {
82 int n = b.capacity();
83 $type$[] a = new $type$[n + 7];
84 b.get(a, 7, n);
85 for (int i = 0; i < n; i++) {
86 ck(b, (long)a[i + 7], (long)(($type$)ic(i)));
87 }
88 }
89
90 private static void absBulkGet($Type$Buffer b) {
91 int n = b.capacity();
92 int len = n - 7*2;
93 $type$[] a = new $type$[n + 7];
94 b.position(42);
95 b.get(7, a, 7, len);
96 ck(b, b.position() == 42);
97 for (int i = 0; i < len; i++) {
98 ck(b, (long)a[i + 7], (long)(($type$)ic(i)));
99 }
100 }
101
102 private static void relPut($Type$Buffer b) {
103 int n = b.capacity();
104 b.clear();
105 for (int i = 0; i < n; i++)
106 b.put(($type$)ic(i));
107 b.flip();
108 }
109
110 private static void absPut($Type$Buffer b) {
111 int n = b.capacity();
112 b.clear();
113 for (int i = 0; i < n; i++)
114 b.put(i, ($type$)ic(i));
115 b.limit(n);
116 b.position(0);
117 }
118
119 private static void bulkPutArray($Type$Buffer b) {
120 int n = b.capacity();
121 b.clear();
122 $type$[] a = new $type$[n + 7];
123 for (int i = 0; i < n; i++)
124 a[i + 7] = ($type$)ic(i);
125 b.put(a, 7, n);
126 b.flip();
127 }
128
129 private static void bulkPutBuffer($Type$Buffer b) {
130 int n = b.capacity();
131 b.clear();
132 $Type$Buffer c = $Type$Buffer.allocate(n + 7);
133 c.position(7);
134 for (int i = 0; i < n; i++)
135 c.put(($type$)ic(i));
136 c.flip();
137 c.position(7);
138 b.put(c);
139 b.flip();
140 try {
141 b.put(b);
142 fail("IllegalArgumentException expected for put into same buffer");
143 } catch (IllegalArgumentException e) {
144 if (e.getMessage() == null) {
145 fail("Non-null IllegalArgumentException message expected from"
146 + " put into same buffer");
147 }
148 }
149 }
150
151 private static void absBulkPutArray($Type$Buffer b) {
152 int n = b.capacity();
153 b.clear();
154 int lim = n - 7;
155 int len = lim - 7;
156 b.limit(lim);
157 $type$[] a = new $type$[len + 7];
158 for (int i = 0; i < len; i++)
159 a[i + 7] = ($type$)ic(i);
160 b.position(42);
161 b.put(7, a, 7, len);
162 ck(b, b.position() == 42);
163 }
164
165 private static void absBulkPutBuffer($Type$Buffer b, boolean direct) {
166 int n = b.capacity();
167 b.clear();
168 int lim = n - 7;
169 int len = lim - 7;
170 b.limit(lim);
171 $Type$Buffer c = direct ?
172 #if[byte]
173 ByteBuffer.allocateDirect(len + 7)
174 #else[byte]
175 ByteBuffer.allocateDirect($Fulltype$.BYTES*(len + 7))
176 .as$Type$Buffer()
177 #end[byte]
178 : $Type$Buffer.allocate(len + 7);
179 #if[!byte]
180 if (direct)
181 System.out.println("Direct buffer: " + c.getClass().getName());
182 #end[!byte]
183 for (int i = 0; i < len; i++)
184 c.put(i + 7, ($type$)ic(i));
185 b.position(42);
186 c.position(42);
187 b.put(7, c, 7, len);
188 ck(b, b.position() == 42);
189 ck(c, c.position() == 42);
190 }
191
192 //6231529
193 private static void callReset($Type$Buffer b) {
194 b.position(0);
195 b.mark();
196
197 b.duplicate().reset();
198 b.asReadOnlyBuffer().reset();
199 }
200
201 #if[byte]
202 #else[byte]
203 // 6221101-6234263
204
205 private static void putBuffer() {
206 final int cap = 10;
207
208 $Type$Buffer direct1 = ByteBuffer.allocateDirect(cap).as$Type$Buffer();
209 $Type$Buffer nondirect1 = ByteBuffer.allocate(cap).as$Type$Buffer();
210 direct1.put(nondirect1);
211
212 $Type$Buffer direct2 = ByteBuffer.allocateDirect(cap).as$Type$Buffer();
213 $Type$Buffer nondirect2 = ByteBuffer.allocate(cap).as$Type$Buffer();
214 nondirect2.put(direct2);
215
216 $Type$Buffer direct3 = ByteBuffer.allocateDirect(cap).as$Type$Buffer();
217 $Type$Buffer direct4 = ByteBuffer.allocateDirect(cap).as$Type$Buffer();
218 direct3.put(direct4);
219
220 $Type$Buffer nondirect3 = ByteBuffer.allocate(cap).as$Type$Buffer();
221 $Type$Buffer nondirect4 = ByteBuffer.allocate(cap).as$Type$Buffer();
222 nondirect3.put(nondirect4);
223 }
224 #end[byte]
225
226 #if[char]
227
228 private static void bulkPutString($Type$Buffer b) {
229 int n = b.capacity();
230 b.clear();
231 StringBuilder sb = new StringBuilder(n + 7);
232 sb.append("1234567");
233 for (int i = 0; i < n; i++)
234 sb.append((char)ic(i));
235 b.put(sb.toString(), 7, 7 + n);
236 b.flip();
237 }
238
239 #end[char]
240
241 private static void checkSlice($Type$Buffer b, $Type$Buffer slice) {
242 ck(slice, 0, slice.position());
243 ck(slice, b.remaining(), slice.limit());
244 ck(slice, b.remaining(), slice.capacity());
245 if (b.isDirect() != slice.isDirect())
246 fail("Lost direction", slice);
247 if (b.isReadOnly() != slice.isReadOnly())
248 fail("Lost read-only", slice);
249 }
250
251 #if[byte]
252
253 private static void checkBytes(ByteBuffer b, byte[] bs) {
254 int n = bs.length;
255 int p = b.position();
256 if (b.order() == ByteOrder.BIG_ENDIAN) {
257 for (int i = 0; i < n; i++) {
258 ck(b, b.get(), bs[i]);
259 }
260 } else {
261 for (int i = n - 1; i >= 0; i--) {
262 ck(b, b.get(), bs[i]);
263 }
264 }
265 b.position(p);
266 }
267
268 private static void compact(Buffer b) {
269 try {
270 Class<?> cl = b.getClass();
271 java.lang.reflect.Method m = cl.getDeclaredMethod("compact");
272 m.setAccessible(true);
273 m.invoke(b);
274 } catch (Exception e) {
275 fail(e.getMessage(), b);
276 }
277 }
278
279 private static void checkInvalidMarkException(final Buffer b) {
280 tryCatch(b, InvalidMarkException.class, () -> {
281 b.mark();
282 compact(b);
283 b.reset();
284 });
285 }
286
287 private static void testViews(int level, ByteBuffer b, boolean direct) {
288
289 ShortBuffer sb = b.asShortBuffer();
290 BasicShort.test(level, sb, direct);
291 checkBytes(b, new byte[] { 0, (byte)ic(0) });
292 checkInvalidMarkException(sb);
293
294 CharBuffer cb = b.asCharBuffer();
295 BasicChar.test(level, cb, direct);
296 checkBytes(b, new byte[] { 0, (byte)ic(0) });
297 checkInvalidMarkException(cb);
298
299 IntBuffer ib = b.asIntBuffer();
300 BasicInt.test(level, ib, direct);
301 checkBytes(b, new byte[] { 0, 0, 0, (byte)ic(0) });
302 checkInvalidMarkException(ib);
303
304 LongBuffer lb = b.asLongBuffer();
305 BasicLong.test(level, lb, direct);
306 checkBytes(b, new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte)ic(0) });
307 checkInvalidMarkException(lb);
308
309 FloatBuffer fb = b.asFloatBuffer();
310 BasicFloat.test(level, fb, direct);
311 checkBytes(b, new byte[] { 0x42, (byte)0xc2, 0, 0 });
312 checkInvalidMarkException(fb);
313
314 DoubleBuffer db = b.asDoubleBuffer();
315 BasicDouble.test(level, db, direct);
316 checkBytes(b, new byte[] { 0x40, 0x58, 0x40, 0, 0, 0, 0, 0 });
317 checkInvalidMarkException(db);
318 }
319
320 private static void testHet(int level, ByteBuffer b) {
321
322 int p = b.position();
323 b.limit(b.capacity());
324 show(level, b);
325 out.print(" put:");
326
327 b.putChar((char)1);
328 b.putChar((char)Character.MAX_VALUE);
329 out.print(" char");
330
331 b.putShort((short)1);
332 b.putShort((short)Short.MAX_VALUE);
333 out.print(" short");
334
335 b.putInt(1);
336 b.putInt(Integer.MAX_VALUE);
337 out.print(" int");
338
339 b.putLong((long)1);
340 b.putLong((long)Long.MAX_VALUE);
341 out.print(" long");
342
343 b.putFloat((float)1);
344 b.putFloat((float)Float.MIN_VALUE);
345 b.putFloat((float)Float.MAX_VALUE);
346 out.print(" float");
347
348 b.putDouble((double)1);
349 b.putDouble((double)Double.MIN_VALUE);
350 b.putDouble((double)Double.MAX_VALUE);
351 out.print(" double");
352
353 out.println();
354 b.limit(b.position());
355 b.position(p);
356 show(level, b);
357 out.print(" get:");
358
359 ck(b, b.getChar(), 1);
360 ck(b, b.getChar(), Character.MAX_VALUE);
361 out.print(" char");
362
363 ck(b, b.getShort(), 1);
364 ck(b, b.getShort(), Short.MAX_VALUE);
365 out.print(" short");
366
367 ck(b, b.getInt(), 1);
368 ck(b, b.getInt(), Integer.MAX_VALUE);
369 out.print(" int");
370
371 ck(b, b.getLong(), 1);
372 ck(b, b.getLong(), Long.MAX_VALUE);
373 out.print(" long");
374
375 ck(b, (long)b.getFloat(), 1);
376 ck(b, (long)b.getFloat(), (long)Float.MIN_VALUE);
377 ck(b, (long)b.getFloat(), (long)Float.MAX_VALUE);
378 out.print(" float");
379
380 ck(b, (long)b.getDouble(), 1);
381 ck(b, (long)b.getDouble(), (long)Double.MIN_VALUE);
382 ck(b, (long)b.getDouble(), (long)Double.MAX_VALUE);
383 out.print(" double");
384
385 out.println();
386
387 }
388
389 private static void testAlign(final ByteBuffer b, boolean direct) {
390 // index out-of bounds
391 catchIllegalArgument(b, () -> b.alignmentOffset(-1, (short) 1));
392
393 // unit size values
394 catchIllegalArgument(b, () -> b.alignmentOffset(0, (short) 0));
395 for (int us = 1; us < 65; us++) {
396 int _us = us;
397 if ((us & (us - 1)) != 0) {
398 // unit size not a power of two
399 catchIllegalArgument(b, () -> b.alignmentOffset(0, _us));
400 } else {
401 if (direct || us <= 8) {
402 b.alignmentOffset(0, us);
403 } else {
404 // unit size > 8 with non-direct buffer
405 tryCatch(b, UnsupportedOperationException.class,
406 () -> b.alignmentOffset(0, _us));
407 }
408 }
409 }
410
411 // Probe for long misalignment at index zero for a newly created buffer
412 ByteBuffer empty =
413 direct ? ByteBuffer.allocateDirect(0) : ByteBuffer.allocate(0);
414 int longMisalignmentAtZero = empty.alignmentOffset(0, 8);
415
416 if (direct) {
417 // Freshly created direct byte buffers should be aligned at index 0
418 // for ref and primitive values (see Unsafe.allocateMemory)
419 if (longMisalignmentAtZero != 0) {
420 fail("Direct byte buffer misaligned at index 0"
421 + " for ref and primitive values "
422 + longMisalignmentAtZero);
423 }
424 } else {
425 // For heap byte buffers misalignment may occur on 32-bit systems
426 // where Unsafe.ARRAY_BYTE_BASE_OFFSET % 8 == 4 and not 0
427 // Note the GC will preserve alignment of the base address of the
428 // array
429 if (jdk.internal.misc.Unsafe.ARRAY_BYTE_BASE_OFFSET % 8
430 != longMisalignmentAtZero) {
431 fail("Heap byte buffer misaligned at index 0"
432 + " for ref and primitive values "
433 + longMisalignmentAtZero);
434 }
435 }
436
437 // Ensure test buffer is correctly aligned at index 0
438 if (b.alignmentOffset(0, 8) != longMisalignmentAtZero)
439 fail("Test input buffer not correctly aligned at index 0", b);
440
441 // Test misalignment values
442 for (int us : new int[]{1, 2, 4, 8}) {
443 for (int i = 0; i < us * 2; i++) {
444 int am = b.alignmentOffset(i, us);
445 int expectedAm = (longMisalignmentAtZero + i) % us;
446
447 if (am != expectedAm) {
448 String f = "b.alignmentOffset(%d, %d) == %d incorrect, expected %d";
449 fail(String.format(f, i, us, am, expectedAm));
450 }
451 }
452 }
453
454 // Created aligned slice to test against
455 int ap = 8 - longMisalignmentAtZero;
456 int al = b.limit() - b.alignmentOffset(b.limit(), 8);
457 ByteBuffer ab = b.position(ap).limit(al).
458 slice();
459 if (ab.limit() == 0) {
460 fail("Test input buffer not sufficiently sized to cover" +
461 " an aligned region for all values", b);
462 }
463 if (ab.alignmentOffset(0, 8) != 0)
464 fail("Aligned test input buffer not correctly aligned at index 0", ab);
465
466 for (int us : new int[]{1, 2, 4, 8}) {
467 for (int p = 1; p < 16; p++) {
468 int l = ab.limit() - p;
469
470 ByteBuffer as = ab.slice().position(p).limit(l).
471 alignedSlice(us);
472
473 ck(as, 0, as.position());
474 ck(as, as.capacity(), as.limit());
475 if (b.isDirect() != as.isDirect())
476 fail("Lost direction", as);
477 if (b.isReadOnly() != as.isReadOnly())
478 fail("Lost read-only", as);
479
480 if (as.alignmentOffset(0, us) != 0)
481 fail("Buffer not correctly aligned at index 0", as);
482
483 if (as.alignmentOffset(as.limit(), us) != 0)
484 fail("Buffer not correctly aligned at limit", as);
485
486 int p_mod = ab.alignmentOffset(p, us);
487 int l_mod = ab.alignmentOffset(l, us);
488 // Round up position
489 p = (p_mod > 0) ? p + (us - p_mod) : p;
490 // Round down limit
491 l = l - l_mod;
492
493 int ec = l - p;
494 if (as.limit() != ec) {
495 fail("Buffer capacity incorrect, expected: " + ec, as);
496 }
497 }
498 }
499 }
500 #end[byte]
501
502 private static void fail(String problem,
503 $Type$Buffer xb, $Type$Buffer yb,
504 $type$ x, $type$ y) {
505 fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
506 }
507
508 private static void catchNullArgument(Buffer b, Runnable thunk) {
509 tryCatch(b, NullPointerException.class, thunk);
510 }
511
512 private static void catchIllegalArgument(Buffer b, Runnable thunk) {
513 tryCatch(b, IllegalArgumentException.class, thunk);
514 }
515
516 private static void catchReadOnlyBuffer(Buffer b, Runnable thunk) {
517 tryCatch(b, ReadOnlyBufferException.class, thunk);
518 }
519
520 private static void catchIndexOutOfBounds(Buffer b, Runnable thunk) {
521 tryCatch(b, IndexOutOfBoundsException.class, thunk);
522 }
523
524 private static void catchIndexOutOfBounds($type$[] t, Runnable thunk) {
525 tryCatch(t, IndexOutOfBoundsException.class, thunk);
526 }
527
528 private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
529 boolean caught = false;
530 try {
531 thunk.run();
532 } catch (Throwable x) {
533 if (ex.isAssignableFrom(x.getClass())) {
534 caught = true;
535 } else {
536 fail(x.getMessage() + " not expected");
537 }
538 }
539 if (!caught) {
540 fail(ex.getName() + " not thrown", b);
541 }
542 }
543
544 private static void tryCatch($type$[] t, Class<?> ex, Runnable thunk) {
545 tryCatch($Type$Buffer.wrap(t), ex, thunk);
546 }
547
548 public static void test(int level, final $Type$Buffer b, boolean direct) {
549
550 show(level, b);
551
552 if (direct != b.isDirect())
553 fail("Wrong direction", b);
554
555 // Gets and puts
556
557 relPut(b);
558 relGet(b);
559 absGet(b);
560 bulkGet(b);
561
562 absPut(b);
563 relGet(b);
564 absGet(b);
565 bulkGet(b);
566
567 bulkPutArray(b);
568 relGet(b);
569
570 bulkPutBuffer(b);
571 relGet(b);
572
573 absBulkPutArray(b);
574 absBulkGet(b);
575
576 absBulkPutBuffer(b, direct);
577 absBulkGet(b);
578
579 absBulkPutBuffer(b, !direct);
580 absBulkGet(b);
581
582 #if[char]
583
584 bulkPutString(b);
585 relGet(b);
586 b.position(1);
587 b.limit(7);
588 ck(b, b.toString().equals("bcdefg"));
589
590 // CharSequence ops
591
592 b.position(2);
593 ck(b, b.charAt(1), 'd');
594 CharBuffer c = b.subSequence(1, 4);
595 ck(c, c.capacity(), b.capacity());
596 ck(c, c.position(), b.position()+1);
597 ck(c, c.limit(), b.position()+4);
598 ck(c, b.subSequence(1, 4).toString().equals("def"));
599
600 // 4938424
601 b.position(4);
602 ck(b, b.charAt(1), 'f');
603 ck(b, b.subSequence(1, 3).toString().equals("fg"));
604
605 // String ops
606
607 // 7190219
608 b.clear();
609 int pos = b.position();
610 tryCatch(b, BufferOverflowException.class, () ->
611 b.put(String.valueOf(new char[b.capacity() + 1]), 0, b.capacity() + 1)
612 );
613 ck(b, b.position(), pos);
614 relGet(b);
615
616 #end[char]
617
618 // Compact
619
620 relPut(b);
621 b.position(13);
622 b.compact();
623 b.flip();
624 relGet(b, 13);
625
626 // Exceptions
627
628 relPut(b);
629 b.limit(b.capacity() / 2);
630 b.position(b.limit());
631
632 tryCatch(b, BufferUnderflowException.class, () -> b.get());
633 tryCatch(b, BufferOverflowException.class, () -> b.put(($type$)42));
634 // The index must be non-negative and less than the buffer's limit.
635 catchIndexOutOfBounds(b, () -> b.get(b.limit()));
636 catchIndexOutOfBounds(b, () -> b.get(-1));
637 catchIndexOutOfBounds(b, () -> b.put(b.limit(), ($type$)42));
638 tryCatch(b, InvalidMarkException.class,
639 () -> b.position(0).mark().compact().reset());
640
641 try {
642 b.position(b.limit() + 1);
643 fail("IllegalArgumentException expected for position beyond limit");
644 } catch (IllegalArgumentException e) {
645 if (e.getMessage() == null) {
646 fail("Non-null IllegalArgumentException message expected for"
647 + " position beyond limit");
648 }
649 }
650
651 try {
652 b.position(-1);
653 fail("IllegalArgumentException expected for negative position");
654 } catch (IllegalArgumentException e) {
655 if (e.getMessage() == null) {
656 fail("Non-null IllegalArgumentException message expected for"
657 + " negative position");
658 }
659 }
660
661 try {
662 b.limit(b.capacity() + 1);
663 fail("IllegalArgumentException expected for limit beyond capacity");
664 } catch (IllegalArgumentException e) {
665 if (e.getMessage() == null) {
666 fail("Non-null IllegalArgumentException message expected for"
667 + " limit beyond capacity");
668 }
669 }
670
671 try {
672 b.limit(-1);
673 fail("IllegalArgumentException expected for negative limit");
674 } catch (IllegalArgumentException e) {
675 if (e.getMessage() == null) {
676 fail("Non-null IllegalArgumentException message expected for"
677 + " negative limit");
678 }
679 }
680
681 // Exceptions in absolute bulk operations
682
683 catchNullArgument(b, () -> b.get(7, null, 0, 42));
684 catchNullArgument(b, () -> b.put(7, ($type$[])null, 0, 42));
685 catchNullArgument(b, () -> b.put(7, ($Type$Buffer)null, 0, 42));
686
687 $type$[] tmpa = new $type$[42];
688 catchIndexOutOfBounds(b, () -> b.get(7, tmpa, -1, 42));
689 catchIndexOutOfBounds(b, () -> b.get(7, tmpa, 42, 1));
690 catchIndexOutOfBounds(b, () -> b.get(7, tmpa, 41, 2));
691 catchIndexOutOfBounds(b, () -> b.get(-1, tmpa, 0, 1));
692 catchIndexOutOfBounds(b, () -> b.get(b.limit(), tmpa, 0, 1));
693 catchIndexOutOfBounds(b, () -> b.get(b.limit() - 41, tmpa, 0, 42));
694
695 catchIndexOutOfBounds(b, () -> b.put(7, tmpa, -1, 42));
696 catchIndexOutOfBounds(b, () -> b.put(7, tmpa, 42, 1));
697 catchIndexOutOfBounds(b, () -> b.put(7, tmpa, 41, 2));
698 catchIndexOutOfBounds(b, () -> b.put(-1, tmpa, 0, 1));
699 catchIndexOutOfBounds(b, () -> b.put(b.limit(), tmpa, 0, 1));
700 catchIndexOutOfBounds(b, () -> b.put(b.limit() - 41, tmpa, 0, 42));
701
702 $Type$Buffer tmpb = $Type$Buffer.allocate(42);
703 catchIndexOutOfBounds(b, () -> b.put(7, tmpb, -1, 42));
704 catchIndexOutOfBounds(b, () -> b.put(7, tmpb, 42, 1));
705 catchIndexOutOfBounds(b, () -> b.put(7, tmpb, 41, 2));
706 catchIndexOutOfBounds(b, () -> b.put(-1, tmpb, 0, 1));
707 catchIndexOutOfBounds(b, () -> b.put(b.limit(), tmpb, 0, 1));
708 catchIndexOutOfBounds(b, () -> b.put(b.limit() - 41, tmpb, 0, 42));
709
710 // Values
711
712 b.clear();
713 b.put(($type$)0);
714 b.put(($type$)-1);
715 b.put(($type$)1);
716 b.put($Fulltype$.MAX_VALUE);
717 b.put($Fulltype$.MIN_VALUE);
718 #if[float]
719 b.put(-Float.MAX_VALUE);
720 b.put(-Float.MIN_VALUE);
721 b.put(Float.NEGATIVE_INFINITY);
722 b.put(Float.POSITIVE_INFINITY);
723 b.put(Float.NaN);
724 b.put(0.91697687f); // Changes value if incorrectly swapped
725 #end[float]
726 #if[double]
727 b.put(-Double.MAX_VALUE);
728 b.put(-Double.MIN_VALUE);
729 b.put(Double.NEGATIVE_INFINITY);
730 b.put(Double.POSITIVE_INFINITY);
731 b.put(Double.NaN);
732 b.put(0.5121609353879392); // Changes value if incorrectly swapped
733 #end[double]
734
735 b.flip();
736 ck(b, b.get(), 0);
737 ck(b, b.get(), ($type$)-1);
738 ck(b, b.get(), 1);
739 ck(b, b.get(), $Fulltype$.MAX_VALUE);
740 ck(b, b.get(), $Fulltype$.MIN_VALUE);
741
742 #if[float]
743 $type$ v;
744 ck(b, b.get(), -Float.MAX_VALUE);
745 ck(b, b.get(), -Float.MIN_VALUE);
746 ck(b, b.get(), Float.NEGATIVE_INFINITY);
747 ck(b, b.get(), Float.POSITIVE_INFINITY);
748 if (Float.floatToRawIntBits(v = b.get()) !=
749 Float.floatToRawIntBits(Float.NaN)) {
750 fail(b, (long)Float.NaN, (long)v);
751 }
752 ck(b, b.get(), 0.91697687f);
753 #end[float]
754 #if[double]
755 $type$ v;
756 ck(b, b.get(), -Double.MAX_VALUE);
757 ck(b, b.get(), -Double.MIN_VALUE);
758 ck(b, b.get(), Double.NEGATIVE_INFINITY);
759 ck(b, b.get(), Double.POSITIVE_INFINITY);
760 if (Double.doubleToRawLongBits(v = b.get())
761 != Double.doubleToRawLongBits(Double.NaN)) {
762 fail(b, (long)Double.NaN, (long)v);
763 }
764 ck(b, b.get(), 0.5121609353879392);
765 #end[double]
766
767
768 // Comparison
769 b.rewind();
770 $Type$Buffer b2 = $Type$Buffer.allocate(b.capacity());
771 b2.put(b);
772 b2.flip();
773 b.position(2);
774 b2.position(2);
775 if (!b.equals(b2)) {
776 for (int i = 2; i < b.limit(); i++) {
777 $type$ x = b.get(i);
778 $type$ y = b2.get(i);
779 if (x != y
780 #if[double]
781 || Double.compare(x, y) != 0
782 #end[double]
783 #if[float]
784 || Float.compare(x, y) != 0
785 #end[float]
786 ) {
787 out.println("[" + i + "] " + x + " != " + y);
788 }
789 }
790 fail("Identical buffers not equal", b, b2);
791 }
792 if (b.compareTo(b2) != 0) {
793 fail("Comparison to identical buffer != 0", b, b2);
794 }
795 b.limit(b.limit() + 1);
796 b.position(b.limit() - 1);
797 b.put(($type$)99);
798 b.rewind();
799 b2.rewind();
800 if (b.equals(b2))
801 fail("Non-identical buffers equal", b, b2);
802 if (b.compareTo(b2) <= 0)
803 fail("Comparison to shorter buffer <= 0", b, b2);
804 b.limit(b.limit() - 1);
805
806 b.put(2, ($type$)42);
807 if (b.equals(b2))
808 fail("Non-identical buffers equal", b, b2);
809 if (b.compareTo(b2) <= 0)
810 fail("Comparison to lesser buffer <= 0", b, b2);
811
812 // Check equals and compareTo with interesting values
813 for ($type$ x : VALUES) {
814 $Type$Buffer xb = $Type$Buffer.wrap(new $type$[] { x });
815 if (xb.compareTo(xb) != 0) {
816 fail("compareTo not reflexive", xb, xb, x, x);
817 }
818 if (!xb.equals(xb)) {
819 fail("equals not reflexive", xb, xb, x, x);
820 }
821 for ($type$ y : VALUES) {
822 $Type$Buffer yb = $Type$Buffer.wrap(new $type$[] { y });
823 if (xb.compareTo(yb) != - yb.compareTo(xb)) {
824 fail("compareTo not anti-symmetric",
825 xb, yb, x, y);
826 }
827 if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
828 fail("compareTo inconsistent with equals",
829 xb, yb, x, y);
830 }
831 if (xb.compareTo(yb) != $Fulltype$.compare(x, y)) {
832 #if[float]
833 if (x == 0.0 && y == 0.0) continue;
834 #end[float]
835 #if[double]
836 if (x == 0.0 && y == 0.0) continue;
837 #end[double]
838 fail("Incorrect results for $Type$Buffer.compareTo",
839 xb, yb, x, y);
840 }
841 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
842 fail("Incorrect results for $Type$Buffer.equals",
843 xb, yb, x, y);
844 }
845 }
846 }
847
848 // Sub, dup
849
850 relPut(b);
851 relGet(b.duplicate());
852 b.position(13);
853 relGet(b.duplicate(), 13);
854 relGet(b.duplicate().slice(), 13);
855 relGet(b.slice(), 13);
856 relGet(b.slice().duplicate(), 13);
857
858 // Slice
859
860 b.position(5);
861 $Type$Buffer sb = b.slice();
862 checkSlice(b, sb);
863 b.position(0);
864 $Type$Buffer sb2 = sb.slice();
865 checkSlice(sb, sb2);
866
867 if (!sb.equals(sb2))
868 fail("Sliced slices do not match", sb, sb2);
869 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset())) {
870 fail("Array offsets do not match: "
871 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
872 }
873
874 #if[byte]
875
876 // Views
877
878 b.clear();
879 b.order(ByteOrder.BIG_ENDIAN);
880 testViews(level + 1, b, direct);
881
882 for (int i = 1; i <= 9; i++) {
883 b.position(i);
884 show(level + 1, b);
885 testViews(level + 2, b, direct);
886 }
887
888 b.position(0);
889 b.order(ByteOrder.LITTLE_ENDIAN);
890 testViews(level + 1, b, direct);
891
892 // Heterogeneous accessors
893
894 b.order(ByteOrder.BIG_ENDIAN);
895 for (int i = 0; i <= 9; i++) {
896 b.position(i);
897 testHet(level + 1, b);
898 }
899 b.order(ByteOrder.LITTLE_ENDIAN);
900 b.position(3);
901 testHet(level + 1, b);
902
903 #end[byte]
904
905 // Read-only views
906
907 b.rewind();
908 final $Type$Buffer rb = b.asReadOnlyBuffer();
909 if (!b.equals(rb))
910 fail("Buffer not equal to read-only view", b, rb);
911 show(level + 1, rb);
912
913 catchReadOnlyBuffer(b, () -> relPut(rb));
914 catchReadOnlyBuffer(b, () -> absPut(rb));
915 catchReadOnlyBuffer(b, () -> bulkPutArray(rb));
916 catchReadOnlyBuffer(b, () -> bulkPutBuffer(rb));
917 catchReadOnlyBuffer(b, () -> absBulkPutArray(rb));
918 catchReadOnlyBuffer(b, () -> absBulkPutBuffer(rb, direct));
919
920 // put($Type$Buffer) should not change source position
921 final $Type$Buffer src = $Type$Buffer.allocate(1);
922 catchReadOnlyBuffer(b, () -> rb.put(src));
923 ck(src, src.position(), 0);
924
925 catchReadOnlyBuffer(b, () -> rb.compact());
926
927 #if[byte]
928
929 catchReadOnlyBuffer(b, () -> rb.putChar((char)1));
930 catchReadOnlyBuffer(b, () -> rb.putChar(0, (char)1));
931 catchReadOnlyBuffer(b, () -> rb.putShort((short)1));
932 catchReadOnlyBuffer(b, () -> rb.putShort(0, (short)1));
933 catchReadOnlyBuffer(b, () -> rb.putInt(1));
934 catchReadOnlyBuffer(b, () -> rb.putInt(0, 1));
935 catchReadOnlyBuffer(b, () -> rb.putLong((long)1));
936 catchReadOnlyBuffer(b, () -> rb.putLong(0, (long)1));
937 catchReadOnlyBuffer(b, () -> rb.putFloat((float)1));
938 catchReadOnlyBuffer(b, () -> rb.putFloat(0, (float)1));
939 catchReadOnlyBuffer(b, () -> rb.putDouble((double)1));
940 catchReadOnlyBuffer(b, () -> rb.putDouble(0, (double)1));
941
942 #end[byte]
943
944 #if[char]
945
946 // 7199551
947 catchReadOnlyBuffer(b, () -> rb.put(new String(new char[rb.remaining() + 1])));
948 catchReadOnlyBuffer(b, () -> rb.append(new String(new char[rb.remaining() + 1])));
949
950 #end[char]
951
952 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
953 catchReadOnlyBuffer(b, () -> rb.array());
954 catchReadOnlyBuffer(b, () -> rb.arrayOffset());
955 if (rb.hasArray()) {
956 fail("Read-only heap buffer's backing array is accessible", rb);
957 }
958 }
959
960 // Bulk puts from read-only buffers
961
962 b.clear();
963 rb.rewind();
964 b.put(rb);
965
966 #if[byte]
967 // For byte buffers, test both the direct and non-direct cases
968 $Type$Buffer ob
969 = (b.isDirect()
970 ? $Type$Buffer.allocate(rb.capacity())
971 : $Type$Buffer.allocateDirect(rb.capacity()));
972 rb.rewind();
973 ob.put(rb);
974 #end[byte]
975
976 relPut(b); // Required by testViews
977
978 #if[byte]
979 // Test alignment
980
981 testAlign(b, direct);
982 #end[byte]
983 }
984
985 #if[char]
986
987 private static void testStr() {
988 final String s = "abcdefghijklm";
989 int start = 3;
990 int end = 9;
991 final CharBuffer b = CharBuffer.wrap(s, start, end);
992 show(0, b);
993 ck(b, b.toString().equals(s.substring(start, end)));
994 ck(b, b.toString().equals("defghi"));
995 ck(b, b.isReadOnly());
996 catchReadOnlyBuffer(b, () -> b.put('x'));
997 ck(b, start, b.position());
998 ck(b, end, b.limit());
999 ck(b, s.length(), b.capacity());
1000 b.position(6);
1001 ck(b, b.subSequence(0,3).toString().equals("ghi"));
1002
1003 // The index, relative to the position, must be non-negative and
1004 // smaller than remaining().
1005 catchIndexOutOfBounds(b, () -> b.charAt(-1));
1006 catchIndexOutOfBounds(b, () -> b.charAt(b.remaining()));
1007 // The index must be non-negative and less than the buffer's limit.
1008 catchIndexOutOfBounds(b, () -> b.get(b.limit()));
1009 catchIndexOutOfBounds(b, () -> b.get(-1));
1010 // The start must be non-negative and no larger than remaining().
1011 catchIndexOutOfBounds(b, () -> b.subSequence(-1, b.remaining()));
1012 catchIndexOutOfBounds(b, () -> b.subSequence(b.remaining() + 1, b.remaining()));
1013
1014 // The end must be no smaller than start and no larger than
1015 // remaining().
1016 catchIndexOutOfBounds(b, () -> b.subSequence(2, 1));
1017 catchIndexOutOfBounds(b, () -> b.subSequence(0, b.remaining() + 1));
1018
1019 // The offset must be non-negative and no larger than <array.length>.
1020 catchIndexOutOfBounds(b, () -> $Type$Buffer.wrap(s, -1, s.length()));
1021 catchIndexOutOfBounds(b, () -> $Type$Buffer.wrap(s, s.length() + 1, s.length()));
1022 catchIndexOutOfBounds(b, () -> $Type$Buffer.wrap(s, 1, 0));
1023 catchIndexOutOfBounds(b, () -> $Type$Buffer.wrap(s, 0, s.length() + 1));
1024 }
1025
1026 #end[char]
1027
1028 public static void test(final $type$ [] ba) {
1029 int offset = 47;
1030 int length = 900;
1031 final $Type$Buffer b = $Type$Buffer.wrap(ba, offset, length);
1032 show(0, b);
1033 ck(b, b.capacity(), ba.length);
1034 ck(b, b.position(), offset);
1035 ck(b, b.limit(), offset + length);
1036
1037 // The offset must be non-negative and no larger than <array.length>.
1038 catchIndexOutOfBounds(ba, () -> $Type$Buffer.wrap(ba, -1, ba.length));
1039 catchIndexOutOfBounds(ba, () -> $Type$Buffer.wrap(ba, ba.length + 1, ba.length));
1040 catchIndexOutOfBounds(ba, () -> $Type$Buffer.wrap(ba, 0, -1));
1041 catchIndexOutOfBounds(ba, () -> $Type$Buffer.wrap(ba, 0, ba.length + 1));
1042
1043 // A NullPointerException will be thrown if the array is null.
1044 tryCatch(ba, NullPointerException.class,
1045 () -> $Type$Buffer.wrap(($type$ []) null, 0, 5));
1046 tryCatch(ba, NullPointerException.class,
1047 () -> $Type$Buffer.wrap(($type$ []) null));
1048 }
1049
1050 private static void testAllocate() {
1051 // An IllegalArgumentException will be thrown for negative capacities.
1052 catchIllegalArgument((Buffer) null, () -> $Type$Buffer.allocate(-1));
1053 try {
1054 $Type$Buffer.allocate(-1);
1055 } catch (IllegalArgumentException e) {
1056 if (e.getMessage() == null) {
1057 fail("Non-null IllegalArgumentException message expected for"
1058 + " attempt to allocate negative capacity buffer");
1059 }
1060 }
1061 #if[byte]
1062 catchIllegalArgument((Buffer) null, () -> $Type$Buffer.allocateDirect(-1));
1063 try {
1064 $Type$Buffer.allocateDirect(-1);
1065 } catch (IllegalArgumentException e) {
1066 if (e.getMessage() == null) {
1067 fail("Non-null IllegalArgumentException message expected for"
1068 + " attempt to allocate negative capacity direct buffer");
1069 }
1070 }
1071 #end[byte]
1072 }
1073
1074 public static void test() {
1075 testAllocate();
1076 test(0, $Type$Buffer.allocate(7 * 1024), false);
1077 test(0, $Type$Buffer.wrap(new $type$[7 * 1024], 0, 7 * 1024), false);
1078 test(new $type$[1024]);
1079 #if[byte]
1080 $Type$Buffer b = $Type$Buffer.allocateDirect(7 * 1024);
1081 for (b.position(0); b.position() < b.limit(); )
1082 ck(b, b.get(), 0);
1083 test(0, b, true);
1084 #end[byte]
1085 #if[char]
1086 testStr();
1087 #end[char]
1088
1089 callReset($Type$Buffer.allocate(10));
1090
1091 #if[byte]
1092 #else[byte]
1093 putBuffer();
1094 #end[byte]
1095 }
1096
1097 }