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 BasicChar
38 extends Basic
39 {
40
41 private static void relGet(CharBuffer b) {
42 int n = b.capacity();
43 char v;
44 for (int i = 0; i < n; i++)
45 ck(b, (long)b.get(), (long)((char)ic(i)));
46 b.rewind();
47 }
48
49 private static void relGet(CharBuffer b, int start) {
50 int n = b.remaining();
51 char v;
52 for (int i = start; i < n; i++)
53 ck(b, (long)b.get(), (long)((char)ic(i)));
54 b.rewind();
55 }
56
57 private static void absGet(CharBuffer b) {
58 int n = b.capacity();
59 char v;
60 for (int i = 0; i < n; i++)
61 ck(b, (long)b.get(), (long)((char)ic(i)));
62 b.rewind();
63 }
64
65 private static void bulkGet(CharBuffer b) {
66 int n = b.capacity();
67 char[] a = new char[n + 7];
68 b.get(a, 7, n);
69 for (int i = 0; i < n; i++)
70 ck(b, (long)a[i + 7], (long)((char)ic(i)));
71 }
72
73 private static void relPut(CharBuffer b) {
74 int n = b.capacity();
75 b.clear();
76 for (int i = 0; i < n; i++)
77 b.put((char)ic(i));
78 b.flip();
79 }
80
81 private static void absPut(CharBuffer b) {
82 int n = b.capacity();
83 b.clear();
84 for (int i = 0; i < n; i++)
85 b.put(i, (char)ic(i));
86 b.limit(n);
87 b.position(0);
88 }
89
90 private static void bulkPutArray(CharBuffer b) {
91 int n = b.capacity();
92 b.clear();
93 char[] a = new char[n + 7];
94 for (int i = 0; i < n; i++)
95 a[i + 7] = (char)ic(i);
96 b.put(a, 7, n);
97 b.flip();
98 }
99
100 private static void bulkPutBuffer(CharBuffer b) {
101 int n = b.capacity();
102 b.clear();
103 CharBuffer c = CharBuffer.allocate(n + 7);
104 c.position(7);
105 for (int i = 0; i < n; i++)
106 c.put((char)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(CharBuffer 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 CharBuffer direct1 = ByteBuffer.allocateDirect(cap).asCharBuffer();
130 CharBuffer nondirect1 = ByteBuffer.allocate(cap).asCharBuffer();
131 direct1.put(nondirect1);
132
133 CharBuffer direct2 = ByteBuffer.allocateDirect(cap).asCharBuffer();
134 CharBuffer nondirect2 = ByteBuffer.allocate(cap).asCharBuffer();
135 nondirect2.put(direct2);
136
137 CharBuffer direct3 = ByteBuffer.allocateDirect(cap).asCharBuffer();
138 CharBuffer direct4 = ByteBuffer.allocateDirect(cap).asCharBuffer();
139 direct3.put(direct4);
140
141 CharBuffer nondirect3 = ByteBuffer.allocate(cap).asCharBuffer();
142 CharBuffer nondirect4 = ByteBuffer.allocate(cap).asCharBuffer();
143 nondirect3.put(nondirect4);
144 }
145
146
147
148
149 private static void bulkPutString(CharBuffer b) {
150 int n = b.capacity();
151 b.clear();
152 StringBuffer sb = new StringBuffer(n + 7);
153 sb.append("1234567");
154 for (int i = 0; i < n; i++)
155 sb.append((char)ic(i));
156 b.put(sb.toString(), 7, 7 + n);
157 b.flip();
158 }
159
160
161
162 private static void checkSlice(CharBuffer b, CharBuffer 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(char [] t, Class ex, Runnable thunk) {
328 tryCatch(CharBuffer.wrap(t), ex, thunk);
329 }
330
331 public static void test(int level, final CharBuffer 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
356
357
358 bulkPutString(b);
359 relGet(b);
360 b.position(1);
361 b.limit(7);
362 ck(b, b.toString().equals("bcdefg"));
363
364 // CharSequence ops
365
366 b.position(2);
367 ck(b, b.charAt(1), 'd');
368 CharBuffer c = b.subSequence(1, 4);
369 ck(c, c.capacity(), b.capacity());
370 ck(c, c.position(), b.position()+1);
371 ck(c, c.limit(), b.position()+4);
372 ck(c, b.subSequence(1, 4).toString().equals("def"));
373
374 // 4938424
375 b.position(4);
376 ck(b, b.charAt(1), 'f');
377 ck(b, b.subSequence(1, 3).toString().equals("fg"));
378
379
380
381 // Compact
382
383 relPut(b);
384 b.position(13);
385 b.compact();
386 b.flip();
387 relGet(b, 13);
388
389 // Exceptions
390
391 relPut(b);
392 b.limit(b.capacity() / 2);
393 b.position(b.limit());
394
395 tryCatch(b, BufferUnderflowException.class, new Runnable() {
396 public void run() {
397 b.get();
398 }});
399
400 tryCatch(b, BufferOverflowException.class, new Runnable() {
401 public void run() {
402 b.put((char)42);
403 }});
404
405 // The index must be non-negative and lesss than the buffer's limit.
406 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
407 public void run() {
408 b.get(b.limit());
409 }});
410 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
411 public void run() {
412 b.get(-1);
413 }});
414
415 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
416 public void run() {
417 b.put(b.limit(), (char)42);
418 }});
419
420 tryCatch(b, InvalidMarkException.class, new Runnable() {
421 public void run() {
422 b.position(0);
423 b.mark();
424 b.compact();
425 b.reset();
426 }});
427
428 // Values
429
430 b.clear();
431 b.put((char)0);
432 b.put((char)-1);
433 b.put((char)1);
434 b.put(Character.MAX_VALUE);
435 b.put(Character.MIN_VALUE);
436
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453 char v;
454 b.flip();
455 ck(b, b.get(), 0);
456 ck(b, b.get(), (char)-1);
457 ck(b, b.get(), 1);
458 ck(b, b.get(), Character.MAX_VALUE);
459 ck(b, b.get(), Character.MIN_VALUE);
460
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463
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479
480
481
482 // Comparison
483 b.rewind();
484 CharBuffer b2 = CharBuffer.allocate(b.capacity());
485 b2.put(b);
486 b2.flip();
487 b.position(2);
488 b2.position(2);
489 if (!b.equals(b2)) {
490 for (int i = 2; i < b.limit(); i++) {
491 char x = b.get(i);
492 char y = b2.get(i);
493 if (x != y
494
495
496
497
498
499
500 )
501 out.println("[" + i + "] " + x + " != " + y);
502 }
503 fail("Identical buffers not equal", b, b2);
504 }
505 if (b.compareTo(b2) != 0)
506 fail("Comparison to identical buffer != 0", b, b2);
507
508 b.limit(b.limit() + 1);
509 b.position(b.limit() - 1);
510 b.put((char)99);
511 b.rewind();
512 b2.rewind();
513 if (b.equals(b2))
514 fail("Non-identical buffers equal", b, b2);
515 if (b.compareTo(b2) <= 0)
516 fail("Comparison to shorter buffer <= 0", b, b2);
517 b.limit(b.limit() - 1);
518
519 b.put(2, (char)42);
520 if (b.equals(b2))
521 fail("Non-identical buffers equal", b, b2);
522 if (b.compareTo(b2) <= 0)
523 fail("Comparison to lesser buffer <= 0", b, b2);
524
525 // Sub, dup
526
527 relPut(b);
528 relGet(b.duplicate());
529 b.position(13);
530 relGet(b.duplicate(), 13);
531 relGet(b.duplicate().slice(), 13);
532 relGet(b.slice(), 13);
533 relGet(b.slice().duplicate(), 13);
534
535 // Slice
536
537 b.position(5);
538 CharBuffer sb = b.slice();
539 checkSlice(b, sb);
540 b.position(0);
541 CharBuffer sb2 = sb.slice();
542 checkSlice(sb, sb2);
543
544 if (!sb.equals(sb2))
545 fail("Sliced slices do not match", sb, sb2);
546 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
547 fail("Array offsets do not match: "
548 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
549
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577
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579
580
581 // Read-only views
582
583 b.rewind();
584 final CharBuffer rb = b.asReadOnlyBuffer();
585 if (!b.equals(rb))
586 fail("Buffer not equal to read-only view", b, rb);
587 show(level + 1, rb);
588
589 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
590 public void run() {
591 relPut(rb);
592 }});
593
594 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
595 public void run() {
596 absPut(rb);
597 }});
598
599 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
600 public void run() {
601 bulkPutArray(rb);
602 }});
603
604 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
605 public void run() {
606 bulkPutBuffer(rb);
607 }});
608
609 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
610 public void run() {
611 rb.compact();
612 }});
613
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671
672 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
673
674 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
675 public void run() {
676 rb.array();
677 }});
678
679 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
680 public void run() {
681 rb.arrayOffset();
682 }});
683
684 if (rb.hasArray())
685 fail("Read-only heap buffer's backing array is accessible",
686 rb);
687
688 }
689
690 // Bulk puts from read-only buffers
691
692 b.clear();
693 rb.rewind();
694 b.put(rb);
695
696
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705
706 relPut(b); // Required by testViews
707
708 }
709
710
711
712 private static void testStr() {
713 final String s = "abcdefghijklm";
714 int start = 3;
715 int end = 9;
716 final CharBuffer b = CharBuffer.wrap(s, start, end);
717 show(0, b);
718 ck(b, b.toString().equals(s.substring(start, end)));
719 ck(b, b.toString().equals("defghi"));
720 ck(b, b.isReadOnly());
721 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
722 public void run() {
723 b.put('x');
724 }});
725 ck(b, start, b.position());
726 ck(b, end, b.limit());
727 ck(b, s.length(), b.capacity());
728 b.position(6);
729 ck(b, b.subSequence(0,3).toString().equals("ghi"));
730
731 // The index, relative to the position, must be non-negative and
732 // smaller than remaining().
733 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
734 public void run() {
735 b.charAt(-1);
736 }});
737 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
738 public void run() {
739 b.charAt(b.remaining());
740 }});
741
742 // The index must be non-negative and less than the buffer's limit.
743 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
744 public void run() {
745 b.get(b.limit());
746 }});
747 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
748 public void run() {
749 b.get(-1);
750 }});
751
752 // The start must be non-negative and no larger than remaining().
753 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
754 public void run() {
755 b.subSequence(-1, b.remaining());
756 }});
757 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
758 public void run() {
759 b.subSequence(b.remaining() + 1, b.remaining());
760 }});
761
762 // The end must be no smaller than start and no larger than
763 // remaining().
764 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
765 public void run() {
766 b.subSequence(2, 1);
767 }});
768 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
769 public void run() {
770 b.subSequence(0, b.remaining() + 1);
771 }});
772
773 // The offset must be non-negative and no larger than <array.length>.
774 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
775 public void run() {
776 CharBuffer.wrap(s, -1, s.length());
777 }});
778 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
779 public void run() {
780 CharBuffer.wrap(s, s.length() + 1, s.length());
781 }});
782 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
783 public void run() {
784 CharBuffer.wrap(s, 1, 0);
785 }});
786 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
787 public void run() {
788 CharBuffer.wrap(s, 0, s.length() + 1);
789 }});
790 }
791
792
793
794 public static void test(final char [] ba) {
795 int offset = 47;
796 int length = 900;
797 final CharBuffer b = CharBuffer.wrap(ba, offset, length);
798 show(0, b);
799 ck(b, b.capacity(), ba.length);
800 ck(b, b.position(), offset);
801 ck(b, b.limit(), offset + length);
802
803 // The offset must be non-negative and no larger than <array.length>.
804 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
805 public void run() {
806 CharBuffer.wrap(ba, -1, ba.length);
807 }});
808 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
809 public void run() {
810 CharBuffer.wrap(ba, ba.length + 1, ba.length);
811 }});
812 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
813 public void run() {
814 CharBuffer.wrap(ba, 0, -1);
815 }});
816 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
817 public void run() {
818 CharBuffer.wrap(ba, 0, ba.length + 1);
819 }});
820
821 // A NullPointerException will be thrown if the array is null.
822 tryCatch(ba, NullPointerException.class, new Runnable() {
823 public void run() {
824 CharBuffer.wrap((char []) null, 0, 5);
825 }});
826 tryCatch(ba, NullPointerException.class, new Runnable() {
827 public void run() {
828 CharBuffer.wrap((char []) null);
829 }});
830 }
831
832 private static void testAllocate() {
833 // An IllegalArgumentException will be thrown for negative capacities.
834 tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
835 public void run() {
836 CharBuffer.allocate(-1);
837 }});
838
839
840
841
842
843
844 }
845
846 public static void test() {
847 testAllocate();
848 test(0, CharBuffer.allocate(7 * 1024), false);
849 test(0, CharBuffer.wrap(new char[7 * 1024], 0, 7 * 1024), false);
850 test(new char[1024]);
851
852
853
854
855
856
857
858 testStr();
859
860
861 callReset(CharBuffer.allocate(10));
862
863
864
865 putBuffer();
866
867 }
868
869 }