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 BasicLong
38 extends Basic
39 {
40
41 private static final long[] VALUES = {
42 Long.MIN_VALUE,
43 (long) -1,
44 (long) 0,
45 (long) 1,
46 Long.MAX_VALUE,
47
48
49
50
51
52
53
54
55
56
57
58
59 };
60
61 private static void relGet(LongBuffer b) {
62 int n = b.capacity();
63 long v;
64 for (int i = 0; i < n; i++)
65 ck(b, (long)b.get(), (long)((long)ic(i)));
66 b.rewind();
67 }
68
69 private static void relGet(LongBuffer b, int start) {
70 int n = b.remaining();
71 long v;
72 for (int i = start; i < n; i++)
73 ck(b, (long)b.get(), (long)((long)ic(i)));
74 b.rewind();
75 }
76
77 private static void absGet(LongBuffer b) {
78 int n = b.capacity();
79 long v;
80 for (int i = 0; i < n; i++)
81 ck(b, (long)b.get(), (long)((long)ic(i)));
82 b.rewind();
83 }
84
85 private static void bulkGet(LongBuffer b) {
86 int n = b.capacity();
87 long[] a = new long[n + 7];
88 b.get(a, 7, n);
89 for (int i = 0; i < n; i++)
90 ck(b, (long)a[i + 7], (long)((long)ic(i)));
91 }
92
93 private static void relPut(LongBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++)
97 b.put((long)ic(i));
98 b.flip();
99 }
100
101 private static void absPut(LongBuffer b) {
102 int n = b.capacity();
103 b.clear();
104 for (int i = 0; i < n; i++)
105 b.put(i, (long)ic(i));
106 b.limit(n);
107 b.position(0);
108 }
109
110 private static void bulkPutArray(LongBuffer b) {
111 int n = b.capacity();
112 b.clear();
113 long[] a = new long[n + 7];
114 for (int i = 0; i < n; i++)
115 a[i + 7] = (long)ic(i);
116 b.put(a, 7, n);
117 b.flip();
118 }
119
120 private static void bulkPutBuffer(LongBuffer b) {
121 int n = b.capacity();
122 b.clear();
123 LongBuffer c = LongBuffer.allocate(n + 7);
124 c.position(7);
125 for (int i = 0; i < n; i++)
126 c.put((long)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 put into same buffer");
134 } catch (IllegalArgumentException e) {
135 if (e.getMessage() == null) {
136 fail("Non-null IllegalArgumentException message expected from"
137 + " put into same buffer");
138 }
139 }
140 }
141
142 //6231529
143 private static void callReset(LongBuffer b) {
144 b.position(0);
145 b.mark();
146
171 LongBuffer nondirect4 = ByteBuffer.allocate(cap).asLongBuffer();
172 nondirect3.put(nondirect4);
173 }
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191 private static void checkSlice(LongBuffer b, LongBuffer slice) {
192 ck(slice, 0, slice.position());
193 ck(slice, b.remaining(), slice.limit());
194 ck(slice, b.remaining(), slice.capacity());
195 if (b.isDirect() != slice.isDirect())
196 fail("Lost direction", slice);
197 if (b.isReadOnly() != slice.isReadOnly())
198 fail("Lost read-only", slice);
199 }
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
435
436
437
438 private static void fail(String problem,
439 LongBuffer xb, LongBuffer yb,
440 long x, long y) {
441 fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
442 }
443
444 private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
445 boolean caught = false;
446 try {
447 thunk.run();
448 } catch (Throwable x) {
449 if (ex.isAssignableFrom(x.getClass())) {
450 caught = true;
451 } else {
452 fail(x.getMessage() + " not expected");
453 }
454 }
455 if (!caught)
456 fail(ex.getName() + " not thrown", b);
457 }
458
459 private static void tryCatch(long [] t, Class<?> ex, Runnable thunk) {
460 tryCatch(LongBuffer.wrap(t), ex, thunk);
461 }
462
463 public static void test(int level, final LongBuffer b, boolean direct) {
464
465 show(level, b);
466
467 if (direct != b.isDirect())
468 fail("Wrong direction", b);
469
470 // Gets and puts
471
472 relPut(b);
473 relGet(b);
474 absGet(b);
475 bulkGet(b);
476
477 absPut(b);
478 relGet(b);
479 absGet(b);
480 bulkGet(b);
481
482 bulkPutArray(b);
483 relGet(b);
484
485 bulkPutBuffer(b);
486 relGet(b);
487
488
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526 // Compact
527
528 relPut(b);
529 b.position(13);
530 b.compact();
531 b.flip();
532 relGet(b, 13);
533
534 // Exceptions
535
536 relPut(b);
537 b.limit(b.capacity() / 2);
538 b.position(b.limit());
539
540 tryCatch(b, BufferUnderflowException.class, new Runnable() {
541 public void run() {
542 b.get();
543 }});
544
545 tryCatch(b, BufferOverflowException.class, new Runnable() {
546 public void run() {
547 b.put((long)42);
548 }});
549
550 // The index must be non-negative and lesss than the buffer's limit.
551 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
552 public void run() {
553 b.get(b.limit());
554 }});
555 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
556 public void run() {
557 b.get(-1);
558 }});
559
560 tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
561 public void run() {
562 b.put(b.limit(), (long)42);
563 }});
564
565 tryCatch(b, InvalidMarkException.class, new Runnable() {
566 public void run() {
567 b.position(0);
568 b.mark();
569 b.compact();
570 b.reset();
571 }});
572
573 try {
574 b.position(b.limit() + 1);
575 fail("IllegalArgumentException expected for position beyond limit");
576 } catch (IllegalArgumentException e) {
577 if (e.getMessage() == null) {
578 fail("Non-null IllegalArgumentException message expected for"
579 + " position beyond limit");
580 }
581 }
582
583 try {
584 b.position(-1);
585 fail("IllegalArgumentException expected for negative position");
586 } catch (IllegalArgumentException e) {
587 if (e.getMessage() == null) {
588 fail("Non-null IllegalArgumentException message expected for"
589 + " negative position");
590 }
591 }
618 b.put((long)1);
619 b.put(Long.MAX_VALUE);
620 b.put(Long.MIN_VALUE);
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638 long v;
639 b.flip();
640 ck(b, b.get(), 0);
641 ck(b, b.get(), (long)-1);
642 ck(b, b.get(), 1);
643 ck(b, b.get(), Long.MAX_VALUE);
644 ck(b, b.get(), Long.MIN_VALUE);
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668 // Comparison
669 b.rewind();
670 LongBuffer b2 = LongBuffer.allocate(b.capacity());
671 b2.put(b);
672 b2.flip();
673 b.position(2);
674 b2.position(2);
675 if (!b.equals(b2)) {
676 for (int i = 2; i < b.limit(); i++) {
677 long x = b.get(i);
678 long y = b2.get(i);
679 if (x != y
680
681
682
683
684
685
686 )
687 out.println("[" + i + "] " + x + " != " + y);
688 }
689 fail("Identical buffers not equal", b, b2);
690 }
691 if (b.compareTo(b2) != 0)
692 fail("Comparison to identical buffer != 0", b, b2);
693
694 b.limit(b.limit() + 1);
695 b.position(b.limit() - 1);
696 b.put((long)99);
697 b.rewind();
698 b2.rewind();
699 if (b.equals(b2))
700 fail("Non-identical buffers equal", b, b2);
701 if (b.compareTo(b2) <= 0)
702 fail("Comparison to shorter buffer <= 0", b, b2);
703 b.limit(b.limit() - 1);
704
705 b.put(2, (long)42);
706 if (b.equals(b2))
707 fail("Non-identical buffers equal", b, b2);
708 if (b.compareTo(b2) <= 0)
709 fail("Comparison to lesser buffer <= 0", b, b2);
710
711 // Check equals and compareTo with interesting values
712 for (long x : VALUES) {
713 LongBuffer xb = LongBuffer.wrap(new long[] { x });
714 if (xb.compareTo(xb) != 0) {
715 fail("compareTo not reflexive", xb, xb, x, x);
716 }
717 if (! xb.equals(xb)) {
718 fail("equals not reflexive", xb, xb, x, x);
719 }
720 for (long y : VALUES) {
721 LongBuffer yb = LongBuffer.wrap(new long[] { y });
722 if (xb.compareTo(yb) != - yb.compareTo(xb)) {
723 fail("compareTo not anti-symmetric",
724 xb, yb, x, y);
725 }
726 if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
727 fail("compareTo inconsistent with equals",
728 xb, yb, x, y);
729 }
730 if (xb.compareTo(yb) != Long.compare(x, y)) {
731
732
733
734
735
736
737 fail("Incorrect results for LongBuffer.compareTo",
746
747 // Sub, dup
748
749 relPut(b);
750 relGet(b.duplicate());
751 b.position(13);
752 relGet(b.duplicate(), 13);
753 relGet(b.duplicate().slice(), 13);
754 relGet(b.slice(), 13);
755 relGet(b.slice().duplicate(), 13);
756
757 // Slice
758
759 b.position(5);
760 LongBuffer sb = b.slice();
761 checkSlice(b, sb);
762 b.position(0);
763 LongBuffer sb2 = sb.slice();
764 checkSlice(sb, sb2);
765
766 if (!sb.equals(sb2))
767 fail("Sliced slices do not match", sb, sb2);
768 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
769 fail("Array offsets do not match: "
770 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803 // Read-only views
804
805 b.rewind();
806 final LongBuffer rb = b.asReadOnlyBuffer();
807 if (!b.equals(rb))
808 fail("Buffer not equal to read-only view", b, rb);
809 show(level + 1, rb);
810
811 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
812 public void run() {
813 relPut(rb);
814 }});
815
816 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
817 public void run() {
818 absPut(rb);
819 }});
820
821 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
822 public void run() {
823 bulkPutArray(rb);
824 }});
825
826 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
827 public void run() {
828 bulkPutBuffer(rb);
829 }});
830
831 // put(LongBuffer) should not change source position
832 final LongBuffer src = LongBuffer.allocate(1);
833 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
834 public void run() {
835 rb.put(src);
836 }});
837 ck(src, src.position(), 0);
838
839 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
840 public void run() {
841 rb.compact();
842 }});
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
919
920 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
921 public void run() {
922 rb.array();
923 }});
924
925 tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
926 public void run() {
927 rb.arrayOffset();
928 }});
929
930 if (rb.hasArray())
931 fail("Read-only heap buffer's backing array is accessible",
932 rb);
933
934 }
935
936 // Bulk puts from read-only buffers
937
938 b.clear();
939 rb.rewind();
940 b.put(rb);
941
942
943
944
945
946
947
948
949
950
951
952 relPut(b); // Required by testViews
953
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045 public static void test(final long [] ba) {
1046 int offset = 47;
1047 int length = 900;
1048 final LongBuffer b = LongBuffer.wrap(ba, offset, length);
1049 show(0, b);
1050 ck(b, b.capacity(), ba.length);
1051 ck(b, b.position(), offset);
1052 ck(b, b.limit(), offset + length);
1053
1054 // The offset must be non-negative and no larger than <array.length>.
1055 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1056 public void run() {
1057 LongBuffer.wrap(ba, -1, ba.length);
1058 }});
1059 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1060 public void run() {
1061 LongBuffer.wrap(ba, ba.length + 1, ba.length);
1062 }});
1063 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1064 public void run() {
1065 LongBuffer.wrap(ba, 0, -1);
1066 }});
1067 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1068 public void run() {
1069 LongBuffer.wrap(ba, 0, ba.length + 1);
1070 }});
1071
1072 // A NullPointerException will be thrown if the array is null.
1073 tryCatch(ba, NullPointerException.class, new Runnable() {
1074 public void run() {
1075 LongBuffer.wrap((long []) null, 0, 5);
1076 }});
1077 tryCatch(ba, NullPointerException.class, new Runnable() {
1078 public void run() {
1079 LongBuffer.wrap((long []) null);
1080 }});
1081 }
1082
1083 private static void testAllocate() {
1084 // An IllegalArgumentException will be thrown for negative capacities.
1085 tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
1086 public void run() {
1087 LongBuffer.allocate(-1);
1088 }});
1089 try {
1090 LongBuffer.allocate(-1);
1091 } catch (IllegalArgumentException e) {
1092 if (e.getMessage() == null) {
1093 fail("Non-null IllegalArgumentException message expected for"
1094 + " attempt to allocate negative capacity buffer");
1095 }
1096 }
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111 }
1112
1113 public static void test() {
1114 testAllocate();
1115 test(0, LongBuffer.allocate(7 * 1024), false);
1116 test(0, LongBuffer.wrap(new long[7 * 1024], 0, 7 * 1024), false);
1117 test(new long[1024]);
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128 callReset(LongBuffer.allocate(10));
1129
1130
1131
1132 putBuffer();
1133
1134 }
1135
1136 }
|
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
35
36 public class BasicLong
37 extends Basic
38 {
39
40 private static final long[] VALUES = {
41 Long.MIN_VALUE,
42 (long) -1,
43 (long) 0,
44 (long) 1,
45 Long.MAX_VALUE,
46
47
48
49
50
51
52
53
54
55
56
57
58 };
59
60 private static void relGet(LongBuffer b) {
61 int n = b.capacity();
62 for (int i = 0; i < n; i++) {
63 ck(b, (long)b.get(), (long)((long)ic(i)));
64 }
65 b.rewind();
66 }
67
68 private static void relGet(LongBuffer b, int start) {
69 int n = b.remaining();
70 for (int i = start; i < n; i++) {
71 ck(b, (long)b.get(), (long)((long)ic(i)));
72 }
73 b.rewind();
74 }
75
76 private static void absGet(LongBuffer b) {
77 int n = b.capacity();
78 for (int i = 0; i < n; i++) {
79 ck(b, (long)b.get(), (long)((long)ic(i)));
80 }
81 b.rewind();
82 }
83
84 private static void bulkGet(LongBuffer b) {
85 int n = b.capacity();
86 long[] a = new long[n + 7];
87 b.get(a, 7, n);
88 for (int i = 0; i < n; i++) {
89 ck(b, (long)a[i + 7], (long)((long)ic(i)));
90 }
91 }
92
93 private static void relPut(LongBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++) {
97 b.put((long)ic(i));
98 }
99 b.flip();
100 }
101
102 private static void absPut(LongBuffer b) {
103 int n = b.capacity();
104 b.clear();
105 for (int i = 0; i < n; i++) {
106 b.put(i, (long)ic(i));
107 }
108 b.limit(n);
109 b.position(0);
110 }
111
112 private static void bulkPutArray(LongBuffer b) {
113 int n = b.capacity();
114 b.clear();
115 long[] a = new long[n + 7];
116 for (int i = 0; i < n; i++) {
117 a[i + 7] = (long)ic(i);
118 }
119 b.put(a, 7, n);
120 b.flip();
121 }
122
123 private static void bulkPutBuffer(LongBuffer b) {
124 int n = b.capacity();
125 b.clear();
126 LongBuffer c = LongBuffer.allocate(n + 7);
127 c.position(7);
128 for (int i = 0; i < n; i++) {
129 c.put((long)ic(i));
130 }
131 c.flip();
132 c.position(7);
133 b.put(c);
134 b.flip();
135 try {
136 b.put(b);
137 fail("IllegalArgumentException expected for put into same buffer");
138 } catch (IllegalArgumentException e) {
139 if (e.getMessage() == null) {
140 fail("Non-null IllegalArgumentException message expected from"
141 + " put into same buffer");
142 }
143 }
144 }
145
146 //6231529
147 private static void callReset(LongBuffer b) {
148 b.position(0);
149 b.mark();
150
175 LongBuffer nondirect4 = ByteBuffer.allocate(cap).asLongBuffer();
176 nondirect3.put(nondirect4);
177 }
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196 private static void checkSlice(LongBuffer b, LongBuffer slice) {
197 ck(slice, 0, slice.position());
198 ck(slice, b.remaining(), slice.limit());
199 ck(slice, b.remaining(), slice.capacity());
200 if (b.isDirect() != slice.isDirect()) {
201 fail("Lost direction", slice);
202 }
203 if (b.isReadOnly() != slice.isReadOnly()) {
204 fail("Lost read-only", slice);
205 }
206 }
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
449
450
451
452 private static void fail(String problem,
453 LongBuffer xb, LongBuffer yb,
454 long x, long y) {
455 fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
456 }
457
458 private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
459 boolean caught = false;
460 try {
461 thunk.run();
462 } catch (Throwable x) {
463 if (ex.isAssignableFrom(x.getClass())) {
464 caught = true;
465 } else {
466 fail(x.getMessage() + " not expected");
467 }
468 }
469 if (!caught) {
470 fail(ex.getName() + " not thrown", b);
471 }
472 }
473
474 private static void tryCatch(long [] t, Class<?> ex, Runnable thunk) {
475 tryCatch(LongBuffer.wrap(t), ex, thunk);
476 }
477
478 public static void test(int level, final LongBuffer b, boolean direct) {
479
480 show(level, b);
481
482 if (direct != b.isDirect()) {
483 fail("Wrong direction", b);
484 }
485
486 // Gets and puts
487
488 relPut(b);
489 relGet(b);
490 absGet(b);
491 bulkGet(b);
492
493 absPut(b);
494 relGet(b);
495 absGet(b);
496 bulkGet(b);
497
498 bulkPutArray(b);
499 relGet(b);
500
501 bulkPutBuffer(b);
502 relGet(b);
503
504
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541 // Compact
542
543 relPut(b);
544 b.position(13);
545 b.compact();
546 b.flip();
547 relGet(b, 13);
548
549 // Exceptions
550
551 relPut(b);
552 b.limit(b.capacity() / 2);
553 b.position(b.limit());
554
555 tryCatch(b, BufferUnderflowException.class, () -> b.get());
556 tryCatch(b, BufferOverflowException.class, () -> b.put((long)42));
557 // The index must be non-negative and less than the buffer's limit.
558 tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(b.limit()));
559 tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(-1));
560 tryCatch(b, IndexOutOfBoundsException.class, () -> b.put(b.limit(), (long)42));
561 tryCatch(b, InvalidMarkException.class, () -> b.position(0).mark().compact().reset());
562
563 try {
564 b.position(b.limit() + 1);
565 fail("IllegalArgumentException expected for position beyond limit");
566 } catch (IllegalArgumentException e) {
567 if (e.getMessage() == null) {
568 fail("Non-null IllegalArgumentException message expected for"
569 + " position beyond limit");
570 }
571 }
572
573 try {
574 b.position(-1);
575 fail("IllegalArgumentException expected for negative position");
576 } catch (IllegalArgumentException e) {
577 if (e.getMessage() == null) {
578 fail("Non-null IllegalArgumentException message expected for"
579 + " negative position");
580 }
581 }
608 b.put((long)1);
609 b.put(Long.MAX_VALUE);
610 b.put(Long.MIN_VALUE);
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628 b.flip();
629 ck(b, b.get(), 0);
630 ck(b, b.get(), (long)-1);
631 ck(b, b.get(), 1);
632 ck(b, b.get(), Long.MAX_VALUE);
633 ck(b, b.get(), Long.MIN_VALUE);
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661 // Comparison
662 b.rewind();
663 LongBuffer b2 = LongBuffer.allocate(b.capacity());
664 b2.put(b);
665 b2.flip();
666 b.position(2);
667 b2.position(2);
668 if (!b.equals(b2)) {
669 for (int i = 2; i < b.limit(); i++) {
670 long x = b.get(i);
671 long y = b2.get(i);
672 if (x != y
673
674
675
676
677
678
679 ) {
680 out.println("[" + i + "] " + x + " != " + y);
681 }
682 }
683 fail("Identical buffers not equal", b, b2);
684 }
685 if (b.compareTo(b2) != 0) {
686 fail("Comparison to identical buffer != 0", b, b2);
687 }
688 b.limit(b.limit() + 1);
689 b.position(b.limit() - 1);
690 b.put((long)99);
691 b.rewind();
692 b2.rewind();
693 if (b.equals(b2)) {
694 fail("Non-identical buffers equal", b, b2);
695 }
696 if (b.compareTo(b2) <= 0) {
697 fail("Comparison to shorter buffer <= 0", b, b2);
698 }
699 b.limit(b.limit() - 1);
700
701 b.put(2, (long)42);
702 if (b.equals(b2)) {
703 fail("Non-identical buffers equal", b, b2);
704 }
705 if (b.compareTo(b2) <= 0) {
706 fail("Comparison to lesser buffer <= 0", b, b2);
707 }
708
709 // Check equals and compareTo with interesting values
710 for (long x : VALUES) {
711 LongBuffer xb = LongBuffer.wrap(new long[] { x });
712 if (xb.compareTo(xb) != 0) {
713 fail("compareTo not reflexive", xb, xb, x, x);
714 }
715 if (!xb.equals(xb)) {
716 fail("equals not reflexive", xb, xb, x, x);
717 }
718 for (long y : VALUES) {
719 LongBuffer yb = LongBuffer.wrap(new long[] { y });
720 if (xb.compareTo(yb) != - yb.compareTo(xb)) {
721 fail("compareTo not anti-symmetric",
722 xb, yb, x, y);
723 }
724 if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
725 fail("compareTo inconsistent with equals",
726 xb, yb, x, y);
727 }
728 if (xb.compareTo(yb) != Long.compare(x, y)) {
729
730
731
732
733
734
735 fail("Incorrect results for LongBuffer.compareTo",
744
745 // Sub, dup
746
747 relPut(b);
748 relGet(b.duplicate());
749 b.position(13);
750 relGet(b.duplicate(), 13);
751 relGet(b.duplicate().slice(), 13);
752 relGet(b.slice(), 13);
753 relGet(b.slice().duplicate(), 13);
754
755 // Slice
756
757 b.position(5);
758 LongBuffer sb = b.slice();
759 checkSlice(b, sb);
760 b.position(0);
761 LongBuffer sb2 = sb.slice();
762 checkSlice(sb, sb2);
763
764 if (!sb.equals(sb2)) {
765 fail("Sliced slices do not match", sb, sb2);
766 }
767 if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset())) {
768 fail("Array offsets do not match: "
769 + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
770 }
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803 // Read-only views
804
805 b.rewind();
806 final LongBuffer rb = b.asReadOnlyBuffer();
807 if (!b.equals(rb)) {
808 fail("Buffer not equal to read-only view", b, rb);
809 }
810 show(level + 1, rb);
811
812 tryCatch(b, ReadOnlyBufferException.class, () -> relPut(rb));
813 tryCatch(b, ReadOnlyBufferException.class, () -> absPut(rb));
814 tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutArray(rb));
815 tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutBuffer(rb));
816
817 // put(LongBuffer) should not change source position
818 final LongBuffer src = LongBuffer.allocate(1);
819 tryCatch(b, ReadOnlyBufferException.class, () -> rb.put(src));
820 ck(src, src.position(), 0);
821
822 tryCatch(b, ReadOnlyBufferException.class, () -> rb.compact());
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857 if (rb.getClass().getName().startsWith("java.nio.Heap")) {
858 tryCatch(b, ReadOnlyBufferException.class, () -> rb.array());
859 tryCatch(b, ReadOnlyBufferException.class, () -> rb.arrayOffset());
860 if (rb.hasArray()) {
861 fail("Read-only heap buffer's backing array is accessible", rb);
862 }
863 }
864
865 // Bulk puts from read-only buffers
866
867 b.clear();
868 rb.rewind();
869 b.put(rb);
870
871
872
873
874
875
876
877
878
879
880
881 relPut(b); // Required by testViews
882
964
965
966
967
968
969
970
971
972
973
974 public static void test(final long [] ba) {
975 int offset = 47;
976 int length = 900;
977 final LongBuffer b = LongBuffer.wrap(ba, offset, length);
978 show(0, b);
979 ck(b, b.capacity(), ba.length);
980 ck(b, b.position(), offset);
981 ck(b, b.limit(), offset + length);
982
983 // The offset must be non-negative and no larger than <array.length>.
984 tryCatch(ba, IndexOutOfBoundsException.class, () -> LongBuffer.wrap(ba, -1, ba.length));
985 tryCatch(ba, IndexOutOfBoundsException.class, () -> LongBuffer.wrap(ba, ba.length + 1, ba.length));
986 tryCatch(ba, IndexOutOfBoundsException.class, () -> LongBuffer.wrap(ba, 0, -1));
987 tryCatch(ba, IndexOutOfBoundsException.class, () -> LongBuffer.wrap(ba, 0, ba.length + 1));
988
989 // A NullPointerException will be thrown if the array is null.
990 tryCatch(ba, NullPointerException.class, () -> LongBuffer.wrap((long []) null, 0, 5));
991 tryCatch(ba, NullPointerException.class, () -> LongBuffer.wrap((long []) null));
992 }
993
994 private static void testAllocate() {
995 // An IllegalArgumentException will be thrown for negative capacities.
996 tryCatch((Buffer) null, IllegalArgumentException.class, () -> LongBuffer.allocate(-1));
997 try {
998 LongBuffer.allocate(-1);
999 } catch (IllegalArgumentException e) {
1000 if (e.getMessage() == null) {
1001 fail("Non-null IllegalArgumentException message expected for"
1002 + " attempt to allocate negative capacity buffer");
1003 }
1004 }
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016 }
1017
1018 public static void test() {
1019 testAllocate();
1020 test(0, LongBuffer.allocate(7 * 1024), false);
1021 test(0, LongBuffer.wrap(new long[7 * 1024], 0, 7 * 1024), false);
1022 test(new long[1024]);
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034 callReset(LongBuffer.allocate(10));
1035
1036
1037
1038 putBuffer();
1039
1040 }
1041
1042 }
|