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 BasicChar
38 extends Basic
39 {
40
41 private static final char[] VALUES = {
42 Character.MIN_VALUE,
43 (char) -1,
44 (char) 0,
45 (char) 1,
46 Character.MAX_VALUE,
47
48
49
50
51
52
53
54
55
56
57
58
59 };
60
61 private static void relGet(CharBuffer b) {
62 int n = b.capacity();
63 char v;
64 for (int i = 0; i < n; i++)
65 ck(b, (long)b.get(), (long)((char)ic(i)));
66 b.rewind();
67 }
68
69 private static void relGet(CharBuffer b, int start) {
70 int n = b.remaining();
71 char v;
72 for (int i = start; i < n; i++)
73 ck(b, (long)b.get(), (long)((char)ic(i)));
74 b.rewind();
75 }
76
77 private static void absGet(CharBuffer b) {
78 int n = b.capacity();
79 char v;
80 for (int i = 0; i < n; i++)
81 ck(b, (long)b.get(), (long)((char)ic(i)));
82 b.rewind();
83 }
84
85 private static void bulkGet(CharBuffer b) {
86 int n = b.capacity();
87 char[] a = new char[n + 7];
88 b.get(a, 7, n);
89 for (int i = 0; i < n; i++)
90 ck(b, (long)a[i + 7], (long)((char)ic(i)));
91 }
92
93 private static void relPut(CharBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++)
97 b.put((char)ic(i));
98 b.flip();
99 }
100
101 private static void absPut(CharBuffer b) {
102 int n = b.capacity();
103 b.clear();
104 for (int i = 0; i < n; i++)
105 b.put(i, (char)ic(i));
106 b.limit(n);
107 b.position(0);
108 }
109
110 private static void bulkPutArray(CharBuffer b) {
111 int n = b.capacity();
112 b.clear();
113 char[] a = new char[n + 7];
114 for (int i = 0; i < n; i++)
115 a[i + 7] = (char)ic(i);
116 b.put(a, 7, n);
117 b.flip();
118 }
119
120 private static void bulkPutBuffer(CharBuffer b) {
121 int n = b.capacity();
122 b.clear();
123 CharBuffer c = CharBuffer.allocate(n + 7);
124 c.position(7);
125 for (int i = 0; i < n; i++)
126 c.put((char)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(CharBuffer 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 CharBuffer direct1 = ByteBuffer.allocateDirect(cap).asCharBuffer();
158 CharBuffer nondirect1 = ByteBuffer.allocate(cap).asCharBuffer();
159 direct1.put(nondirect1);
160
161 CharBuffer direct2 = ByteBuffer.allocateDirect(cap).asCharBuffer();
162 CharBuffer nondirect2 = ByteBuffer.allocate(cap).asCharBuffer();
163 nondirect2.put(direct2);
164
165 CharBuffer direct3 = ByteBuffer.allocateDirect(cap).asCharBuffer();
166 CharBuffer direct4 = ByteBuffer.allocateDirect(cap).asCharBuffer();
167 direct3.put(direct4);
168
169 CharBuffer nondirect3 = ByteBuffer.allocate(cap).asCharBuffer();
170 CharBuffer nondirect4 = ByteBuffer.allocate(cap).asCharBuffer();
171 nondirect3.put(nondirect4);
172 }
173
174
175
176
177 private static void bulkPutString(CharBuffer b) {
178 int n = b.capacity();
179 b.clear();
180 StringBuffer sb = new StringBuffer(n + 7);
181 sb.append("1234567");
182 for (int i = 0; i < n; i++)
183 sb.append((char)ic(i));
184 b.put(sb.toString(), 7, 7 + n);
185 b.flip();
186 }
187
188
189
190 private static void checkSlice(CharBuffer b, CharBuffer 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 }
199
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339
340 private static void fail(String problem,
341 CharBuffer xb, CharBuffer yb,
342 char x, char 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(char [] t, Class<?> ex, Runnable thunk) {
362 tryCatch(CharBuffer.wrap(t), ex, thunk);
363 }
364
365 public static void test(int level, final CharBuffer 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
390
391
392 bulkPutString(b);
393 relGet(b);
394 b.position(1);
395 b.limit(7);
396 ck(b, b.toString().equals("bcdefg"));
397
398 // CharSequence ops
399
400 b.position(2);
401 ck(b, b.charAt(1), 'd');
402 CharBuffer c = b.subSequence(1, 4);
403 ck(c, c.capacity(), b.capacity());
404 ck(c, c.position(), b.position()+1);
405 ck(c, c.limit(), b.position()+4);
406 ck(c, b.subSequence(1, 4).toString().equals("def"));
407
408 // 4938424
409 b.position(4);
410 ck(b, b.charAt(1), 'f');
411 ck(b, b.subSequence(1, 3).toString().equals("fg"));
412
413 // String ops
414
415 // 7190219
416 b.clear();
417 int pos = b.position();
418 tryCatch(b, BufferOverflowException.class, new Runnable() {
419 public void run() {
420 b.put(String.valueOf(new char[b.capacity() + 1]), 0,
421 b.capacity() + 1);
422 }});
423 ck(b, b.position(), pos);
424 relGet(b);
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((char)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(), (char)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((char)0);
515 b.put((char)-1);
516 b.put((char)1);
517 b.put(Character.MAX_VALUE);
518 b.put(Character.MIN_VALUE);
519
520
521
522
523
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525
526
527
528
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530
531
532
533
534
535
536 char v;
537 b.flip();
538 ck(b, b.get(), 0);
539 ck(b, b.get(), (char)-1);
540 ck(b, b.get(), 1);
541 ck(b, b.get(), Character.MAX_VALUE);
542 ck(b, b.get(), Character.MIN_VALUE);
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565 // Comparison
566 b.rewind();
567 CharBuffer b2 = CharBuffer.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 char x = b.get(i);
575 char y = b2.get(i);
576 if (x != y
577
578
579
580
581
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((char)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, (char)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 (char x : VALUES) {
610 CharBuffer xb = CharBuffer.wrap(new char[] { 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 (char y : VALUES) {
618 CharBuffer yb = CharBuffer.wrap(new char[] { 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) != Character.compare(x, y)) {
628
629
630
631
632
633
634 fail("Incorrect results for CharBuffer.compareTo",
635 xb, yb, x, y);
636 }
637 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
638 fail("Incorrect results for CharBuffer.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 CharBuffer sb = b.slice();
658 checkSlice(b, sb);
659 b.position(0);
660 CharBuffer 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
670
671
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673
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681
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683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700 // Read-only views
701
702 b.rewind();
703 final CharBuffer 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(CharBuffer) should not change source position
729 final CharBuffer src = CharBuffer.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 }});
740
741
742
743
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746
747
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749
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799
800
801 // 7199551
802 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
803 public void run() {
804 String s = new String(new char[rb.remaining() + 1]);
805 rb.put(s);
806 }});
807 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
808 public void run() {
809 String s = new String(new char[rb.remaining() + 1]);
810 rb.append(s);
811 }});
812
813
814
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
840
841
842
843
844
845
846
847
848
849 relPut(b); // Required by testViews
850
851 }
852
853
854
855 private static void testStr() {
856 final String s = "abcdefghijklm";
857 int start = 3;
858 int end = 9;
859 final CharBuffer b = CharBuffer.wrap(s, start, end);
860 show(0, b);
861 ck(b, b.toString().equals(s.substring(start, end)));
862 ck(b, b.toString().equals("defghi"));
863 ck(b, b.isReadOnly());
864 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
865 public void run() {
866 b.put('x');
867 }});
868 ck(b, start, b.position());
869 ck(b, end, b.limit());
870 ck(b, s.length(), b.capacity());
871 b.position(6);
872 ck(b, b.subSequence(0,3).toString().equals("ghi"));
873
874 // The index, relative to the position, must be non-negative and
875 // smaller than remaining().
876 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
877 public void run() {
878 b.charAt(-1);
879 }});
880 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
881 public void run() {
882 b.charAt(b.remaining());
883 }});
884
885 // The index must be non-negative and less than the buffer's limit.
886 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
887 public void run() {
888 b.get(b.limit());
889 }});
890 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
891 public void run() {
892 b.get(-1);
893 }});
894
895 // The start must be non-negative and no larger than remaining().
896 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
897 public void run() {
898 b.subSequence(-1, b.remaining());
899 }});
900 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
901 public void run() {
902 b.subSequence(b.remaining() + 1, b.remaining());
903 }});
904
905 // The end must be no smaller than start and no larger than
906 // remaining().
907 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
908 public void run() {
909 b.subSequence(2, 1);
910 }});
911 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
912 public void run() {
913 b.subSequence(0, b.remaining() + 1);
914 }});
915
916 // The offset must be non-negative and no larger than <array.length>.
917 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
918 public void run() {
919 CharBuffer.wrap(s, -1, s.length());
920 }});
921 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
922 public void run() {
923 CharBuffer.wrap(s, s.length() + 1, s.length());
924 }});
925 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
926 public void run() {
927 CharBuffer.wrap(s, 1, 0);
928 }});
929 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
930 public void run() {
931 CharBuffer.wrap(s, 0, s.length() + 1);
932 }});
933 }
934
935
936
937 public static void test(final char [] ba) {
938 int offset = 47;
939 int length = 900;
940 final CharBuffer b = CharBuffer.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 CharBuffer.wrap(ba, -1, ba.length);
950 }});
951 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
952 public void run() {
953 CharBuffer.wrap(ba, ba.length + 1, ba.length);
954 }});
955 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
956 public void run() {
957 CharBuffer.wrap(ba, 0, -1);
958 }});
959 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
960 public void run() {
961 CharBuffer.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 CharBuffer.wrap((char []) null, 0, 5);
968 }});
969 tryCatch(ba, NullPointerException.class, new Runnable() {
970 public void run() {
971 CharBuffer.wrap((char []) 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 CharBuffer.allocate(-1);
980 }});
981 try {
982 CharBuffer.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
997
998
999
1000
1001 }
1002
1003 public static void test() {
1004 testAllocate();
1005 test(0, CharBuffer.allocate(7 * 1024), false);
1006 test(0, CharBuffer.wrap(new char[7 * 1024], 0, 7 * 1024), false);
1007 test(new char[1024]);
1008
1009
1010
1011
1012
1013
1014
1015 testStr();
1016
1017
1018 callReset(CharBuffer.allocate(10));
1019
1020
1021
1022 putBuffer();
1023
1024 }
1025
1026 }