OOME.java revision 1870:4aa2e64eff30 
1/*
2 * Copyright (c) 2015, 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
25import java.util.LinkedList;
26
27/*
28 * @test
29 * @summary Slowly eat all memory in an infinite loop
30 * @run main/othervm Crash
31 */
32public class OOME {
33    @SuppressWarnings ("UnusedDeclaration")
34    private static Object garbage;
35    public static void main(String args[]) {
36
37        int chunkSize = 0x8000;
38        LinkedList<int[]> list = new LinkedList<>();
39        garbage = list;
40
41        while (true) {
42            try {
43                list.add(new int[chunkSize]);
44            } catch (OutOfMemoryError e) {
45                chunkSize >>= 1;
46            }
47        }
48    }
49}
50