StressVirtualSpaceResize.java revision 7578:579e9a019f35 
1/*
2 * Copyright (c) 2013, 2014, 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 * @test
26 * @summary Stress test that expands/shrinks VirtualSpace
27 * @library /testlibrary /../../test/lib
28 * @build StressVirtualSpaceResize
29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
30 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
31 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI StressVirtualSpaceResize
32 */
33
34import sun.hotspot.WhiteBox;
35
36public class StressVirtualSpaceResize {
37
38  public static void main(String args[]) throws Exception {
39    if (WhiteBox.getWhiteBox().stressVirtualSpaceResize(1000, 0xffffL, 0xffffL) != 0)
40      throw new RuntimeException("Whitebox method stressVirtualSpaceResize returned non zero exit code");
41  }
42}
43