Mercurial > hg > truffle
comparison test/gc/concurrentMarkSweep/SystemGCOnForegroundCollector.java @ 10244:06ab37f08701
8013184: CMS: Call reset_after_compaction() only if a compaction has been done
Reviewed-by: mgerdin, johnc, tschatzl
author | jmasa |
---|---|
date | Wed, 08 May 2013 17:12:52 -0700 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
10243:a9d568b7df60 | 10244:06ab37f08701 |
---|---|
1 /* | |
2 * Copyright (c) 2013, 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 SystemGCOnForegroundCollector | |
26 * @summary CMS: Call reset_after_compaction() only if a compaction has been done | |
27 * @bug 8013184 | |
28 * @key gc | |
29 * @key regression | |
30 * @library /testlibrary | |
31 * @run main/othervm SystemGCOnForegroundCollector | |
32 * @author jon.masamitsu@oracle.com | |
33 */ | |
34 | |
35 import com.oracle.java.testlibrary.*; | |
36 | |
37 public class SystemGCOnForegroundCollector { | |
38 public static void main(String args[]) throws Exception { | |
39 | |
40 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( | |
41 "-showversion", | |
42 "-XX:+UseConcMarkSweepGC", | |
43 "-XX:MaxTenuringThreshold=1", | |
44 "-XX:-UseCMSCompactAtFullCollection", | |
45 ThreePlusMSSystemGC.class.getName() | |
46 ); | |
47 | |
48 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
49 | |
50 output.shouldNotContain("error"); | |
51 | |
52 output.shouldHaveExitValue(0); | |
53 } | |
54 | |
55 static class ThreePlusMSSystemGC { | |
56 public static void main(String [] args) { | |
57 // From running this test 3 System.gc() were always | |
58 // enough to see the failure but the cause of the failure | |
59 // depends on how objects are allocated in the CMS generation | |
60 // which is non-deterministic. Use 30 iterations for a more | |
61 // reliable test. | |
62 for (int i = 0; i < 30; i++) { | |
63 System.gc(); | |
64 } | |
65 } | |
66 } | |
67 } |