Mercurial > hg > truffle
comparison test/compiler/6892265/Test.java @ 1334:b5d78a3b8843
6892265: System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes
Summary: Use size_t type cast to widen int values in typeArrayKlass::copy_array().
Reviewed-by: never, jcoomes
author | kvn |
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date | Thu, 03 Dec 2009 14:20:22 -0800 |
parents | |
children | c18cbe5936b8 |
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1053:455105fc81d9 | 1334:b5d78a3b8843 |
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1 /* | |
2 * Copyright 2009 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 | |
25 /** | |
26 * @test | |
27 * @bug 6892265 | |
28 * @summary System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes | |
29 * | |
30 * @run main/othervm Test | |
31 */ | |
32 | |
33 public class Test { | |
34 static final int NCOPY = 1; | |
35 static final int OVERFLOW = 1; | |
36 static int[] src2 = new int[NCOPY]; | |
37 static int[] dst2; | |
38 | |
39 static void test() { | |
40 int N; | |
41 int SIZE; | |
42 | |
43 N = Integer.MAX_VALUE/4 + OVERFLOW; | |
44 System.arraycopy(src2, 0, dst2, N, NCOPY); | |
45 System.arraycopy(dst2, N, src2, 0, NCOPY); | |
46 } | |
47 | |
48 public static void main(String[] args) { | |
49 try { | |
50 dst2 = new int[NCOPY + Integer.MAX_VALUE/4 + OVERFLOW]; | |
51 } catch (OutOfMemoryError e) { | |
52 System.exit(95); // Not enough memory | |
53 } | |
54 System.out.println("warmup"); | |
55 for (int i=0; i <11000; i++) { | |
56 test(); | |
57 } | |
58 System.out.println("start"); | |
59 for (int i=0; i <1000; i++) { | |
60 test(); | |
61 } | |
62 System.out.println("finish"); | |
63 } | |
64 | |
65 } |