Mercurial > hg > truffle
comparison test/compiler/7002666/Test7002666.java @ 2004:4da76e32c0be
7002666: eclipse CDT projects crash with compressed oops
Reviewed-by: kvn, twisti
author | never |
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date | Wed, 01 Dec 2010 10:16:31 -0800 |
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2003:dbbf44db0107 | 2004:4da76e32c0be |
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1 /* | |
2 * Copyright (c) 2010, 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 | |
25 /** | |
26 * @test | |
27 * @bug 7002666 | |
28 * @summary eclipse CDT projects crash with compressed oops | |
29 * | |
30 * @run main/othervm -Xbatch -XX:CompileOnly=Test7002666.test,java/lang/reflect/Array Test7002666 | |
31 * | |
32 * This will only reliably fail with a fastdebug build since it relies | |
33 * on seeing garbage in the heap to die. It could be made more | |
34 * reliable in product mode but that would require greatly increasing | |
35 * the runtime. | |
36 */ | |
37 | |
38 public class Test7002666 { | |
39 public static void main(String[] args) { | |
40 for (int i = 0; i < 25000; i++) { | |
41 Object[] a = test(Test7002666.class, new Test7002666()); | |
42 if (a[0] != null) { | |
43 // The element should be null but if it's not then | |
44 // we've hit the bug. This will most likely crash but | |
45 // at least throw an exception. | |
46 System.err.println(a[0]); | |
47 throw new InternalError(a[0].toString()); | |
48 | |
49 } | |
50 } | |
51 } | |
52 public static Object[] test(Class c, Object o) { | |
53 // allocate an array small enough to be trigger the bug | |
54 Object[] a = (Object[])java.lang.reflect.Array.newInstance(c, 1); | |
55 return a; | |
56 } | |
57 } |