1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4100814
* @summary Make sure you can't create an array of dimension > 256.
*/
import java.lang.reflect.Array;
public class ExceedMaxDim {
public static void main(String[] args) throws Exception {
newInstanceOne();
newInstanceMulti();
zeroDimension();
}
private static void newInstanceOne() throws Exception {
Object o = getArrayOf256Dimensions();
try {
o = Array.newInstance(o.getClass(), 1);
} catch (IllegalArgumentException iae) {
System.out.println("success: newInstanceOne test");
return;
}
throw new Exception("NewArray allowed dimensions > MAXDIM");
}
private static void newInstanceMulti() throws Exception {
Object o = getArrayOf256Dimensions();
try {
o = Array.newInstance(o.getClass(), new int[] { 1, 1 });
o = Array.newInstance(o.getClass(), new int[] { 1 });
} catch (IllegalArgumentException iae) {
System.out.println("success: newInstanceMulti test");
return;
}
throw new Exception("MultiNewArray allowed dimensions > MAXDIM");
}
private static void zeroDimension() throws Exception {
try {
Array.newInstance(Integer.TYPE, new int[0]);
} catch (IllegalArgumentException iae) {
System.out.println("success: zeroDimension test");
return;
}
throw new Exception("MultiNewArray allowed dimension == 0");
}
private static Object getArrayOf256Dimensions() {
/* 1 dimension */
Object o = Array.newInstance(Integer.TYPE, 0);
/* 254 more dimension. */
for (int i = 1; i <= 254; i++) {
o = Array.newInstance(o.getClass(), 1);
}
/* 255 in all. */
return o;
}
}
|
