1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,66 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/**
1.28 + * @test CheckAllocateAndSystemGC
1.29 + * @summary CMS: assert(used() == used_after_gc && used_after_gc <= capacity()) failed: used: 0 used_after_gc: 292080 capacity: 1431699456
1.30 + * @bug 8013032
1.31 + * @key gc
1.32 + * @key regression
1.33 + * @library /testlibrary
1.34 + * @run main/othervm CheckAllocateAndSystemGC
1.35 + * @author jon.masamitsu@oracle.com
1.36 + */
1.37 +
1.38 +import com.oracle.java.testlibrary.*;
1.39 +
1.40 +public class CheckAllocateAndSystemGC {
1.41 + public static void main(String args[]) throws Exception {
1.42 +
1.43 + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
1.44 + "-showversion",
1.45 + "-XX:+UseConcMarkSweepGC",
1.46 + "-Xmn4m",
1.47 + "-XX:MaxTenuringThreshold=1",
1.48 + "-XX:-UseCMSCompactAtFullCollection",
1.49 + "CheckAllocateAndSystemGC$AllocateAndSystemGC"
1.50 + );
1.51 +
1.52 + OutputAnalyzer output = new OutputAnalyzer(pb.start());
1.53 +
1.54 + output.shouldNotContain("error");
1.55 +
1.56 + output.shouldHaveExitValue(0);
1.57 + }
1.58 + static class AllocateAndSystemGC {
1.59 + public static void main(String [] args) {
1.60 + Integer x[] = new Integer [1000];
1.61 + // Allocate enough objects to cause a minor collection.
1.62 + // These allocations suffice for a 4m young geneneration.
1.63 + for (int i = 0; i < 100; i++) {
1.64 + Integer y[] = new Integer[10000];
1.65 + }
1.66 + System.gc();
1.67 + }
1.68 + }
1.69 +}
