1 /*
2 * Copyright (c) 2000, 2016, 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 BasicInt
38 extends Basic
39 {
40
41 private static final int[] VALUES = {
42 Integer.MIN_VALUE,
43 (int) -1,
44 (int) 0,
45 (int) 1,
46 Integer.MAX_VALUE,
47
48
49
50
51
52
53
54
55
56
57
58
59 };
60
61 private static void relGet(IntBuffer b) {
62 int n = b.capacity();
63 int v;
64 for (int i = 0; i < n; i++)
65 ck(b, (long)b.get(), (long)((int)ic(i)));
66 b.rewind();
67 }
68
69 private static void relGet(IntBuffer b, int start) {
70 int n = b.remaining();
71 int v;
72 for (int i = start; i < n; i++)
73 ck(b, (long)b.get(), (long)((int)ic(i)));
74 b.rewind();
75 }
76
77 private static void absGet(IntBuffer b) {
78 int n = b.capacity();
79 int v;
80 for (int i = 0; i < n; i++)
81 ck(b, (long)b.get(), (long)((int)ic(i)));
82 b.rewind();
83 }
84
85 private static void bulkGet(IntBuffer b) {
86 int n = b.capacity();
87 int[] a = new int[n + 7];
88 b.get(a, 7, n);
89 for (int i = 0; i < n; i++)
90 ck(b, (long)a[i + 7], (long)((int)ic(i)));
91 }
92
93 private static void relPut(IntBuffer b) {
94 int n = b.capacity();
95 b.clear();
96 for (int i = 0; i < n; i++)
97 b.put((int)ic(i));
98 b.flip();
99 }
100
101 private static void absPut(IntBuffer b) {
102 int n = b.capacity();
103 b.clear();
104 for (int i = 0; i < n; i++)
105 b.put(i, (int)ic(i));
106 b.limit(n);
107 b.position(0);
108 }
109
110 private static void bulkPutArray(IntBuffer b) {
111 int n = b.capacity();
112 b.clear();
113 int[] a = new int[n + 7];
114 for (int i = 0; i < n; i++)
115 a[i + 7] = (int)ic(i);
116 b.put(a, 7, n);
117 b.flip();
118 }
119
120 private static void bulkPutBuffer(IntBuffer b) {
121 int n = b.capacity();
122 b.clear();
123 IntBuffer c = IntBuffer.allocate(n + 7);
124 c.position(7);
125 for (int i = 0; i < n; i++)
126 c.put((int)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(IntBuffer b) {
144 b.position(0);
145 b.mark();
146
147 b.duplicate().reset();
148 b.asReadOnlyBuffer().reset();
149 }
150
151
152
153 // 6221101-6234263
154
155 private static void putBuffer() {
156 final int cap = 10;
157
158 IntBuffer direct1 = ByteBuffer.allocateDirect(cap).asIntBuffer();
159 IntBuffer nondirect1 = ByteBuffer.allocate(cap).asIntBuffer();
160 direct1.put(nondirect1);
161
162 IntBuffer direct2 = ByteBuffer.allocateDirect(cap).asIntBuffer();
163 IntBuffer nondirect2 = ByteBuffer.allocate(cap).asIntBuffer();
164 nondirect2.put(direct2);
165
166 IntBuffer direct3 = ByteBuffer.allocateDirect(cap).asIntBuffer();
167 IntBuffer direct4 = ByteBuffer.allocateDirect(cap).asIntBuffer();
168 direct3.put(direct4);
169
170 IntBuffer nondirect3 = ByteBuffer.allocate(cap).asIntBuffer();
171 IntBuffer nondirect4 = ByteBuffer.allocate(cap).asIntBuffer();
172 nondirect3.put(nondirect4);
173 }
174
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189
190
191 private static void checkSlice(IntBuffer b, IntBuffer 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
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438 private static void fail(String problem,
439 IntBuffer xb, IntBuffer yb,
440 int x, int 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(int [] t, Class<?> ex, Runnable thunk) {
460 tryCatch(IntBuffer.wrap(t), ex, thunk);
461 }
462
463 public static void test(int level, final IntBuffer 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
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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((int)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(), (int)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 }
592
593 try {
594 b.limit(b.capacity() + 1);
595 fail("IllegalArgumentException expected for limit beyond capacity");
596 } catch (IllegalArgumentException e) {
597 if (e.getMessage() == null) {
598 fail("Non-null IllegalArgumentException message expected for"
599 + " limit beyond capacity");
600 }
601 }
602
603 try {
604 b.limit(-1);
605 fail("IllegalArgumentException expected for negative limit");
606 } catch (IllegalArgumentException e) {
607 if (e.getMessage() == null) {
608 fail("Non-null IllegalArgumentException message expected for"
609 + " negative limit");
610 }
611 }
612
613 // Values
614
615 b.clear();
616 b.put((int)0);
617 b.put((int)-1);
618 b.put((int)1);
619 b.put(Integer.MAX_VALUE);
620 b.put(Integer.MIN_VALUE);
621
622
623
624
625
626
627
628
629
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631
632
633
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635
636
637
638 int v;
639 b.flip();
640 ck(b, b.get(), 0);
641 ck(b, b.get(), (int)-1);
642 ck(b, b.get(), 1);
643 ck(b, b.get(), Integer.MAX_VALUE);
644 ck(b, b.get(), Integer.MIN_VALUE);
645
646
647
648
649
650
651
652
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654
655
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660
661
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663
664
665
666
667
668 // Comparison
669 b.rewind();
670 IntBuffer b2 = IntBuffer.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 int x = b.get(i);
678 int 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((int)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, (int)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 (int x : VALUES) {
713 IntBuffer xb = IntBuffer.wrap(new int[] { 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 (int y : VALUES) {
721 IntBuffer yb = IntBuffer.wrap(new int[] { 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) != Integer.compare(x, y)) {
731
732
733
734
735
736
737 fail("Incorrect results for IntBuffer.compareTo",
738 xb, yb, x, y);
739 }
740 if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
741 fail("Incorrect results for IntBuffer.equals",
742 xb, yb, x, y);
743 }
744 }
745 }
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 IntBuffer sb = b.slice();
761 checkSlice(b, sb);
762 b.position(0);
763 IntBuffer 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
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799
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801
802
803 // Read-only views
804
805 b.rewind();
806 final IntBuffer 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(IntBuffer) should not change source position
832 final IntBuffer src = IntBuffer.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
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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
954
955
956
957
958
959 }
960
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1044
1045 public static void test(final int [] ba) {
1046 int offset = 47;
1047 int length = 900;
1048 final IntBuffer b = IntBuffer.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 IntBuffer.wrap(ba, -1, ba.length);
1058 }});
1059 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1060 public void run() {
1061 IntBuffer.wrap(ba, ba.length + 1, ba.length);
1062 }});
1063 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1064 public void run() {
1065 IntBuffer.wrap(ba, 0, -1);
1066 }});
1067 tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
1068 public void run() {
1069 IntBuffer.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 IntBuffer.wrap((int []) null, 0, 5);
1076 }});
1077 tryCatch(ba, NullPointerException.class, new Runnable() {
1078 public void run() {
1079 IntBuffer.wrap((int []) 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 IntBuffer.allocate(-1);
1088 }});
1089 try {
1090 IntBuffer.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
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1101
1102
1103
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1107
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1109
1110
1111 }
1112
1113 public static void test() {
1114 testAllocate();
1115 test(0, IntBuffer.allocate(7 * 1024), false);
1116 test(0, IntBuffer.wrap(new int[7 * 1024], 0, 7 * 1024), false);
1117 test(new int[1024]);
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128 callReset(IntBuffer.allocate(10));
1129
1130
1131
1132 putBuffer();
1133
1134 }
1135
1136 }