diff -r 000000000000 -r f90c822e73f8 test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java Wed Apr 27 01:25:04 2016 +0800 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * @test CheckAllocateAndSystemGC + * @summary CMS: assert(used() == used_after_gc && used_after_gc <= capacity()) failed: used: 0 used_after_gc: 292080 capacity: 1431699456 + * @bug 8013032 + * @key gc + * @key regression + * @library /testlibrary + * @run main/othervm CheckAllocateAndSystemGC + * @author jon.masamitsu@oracle.com + */ + +import com.oracle.java.testlibrary.*; + +public class CheckAllocateAndSystemGC { + public static void main(String args[]) throws Exception { + + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-showversion", + "-XX:+UseConcMarkSweepGC", + "-Xmn4m", + "-XX:MaxTenuringThreshold=1", + "-XX:-UseCMSCompactAtFullCollection", + "CheckAllocateAndSystemGC$AllocateAndSystemGC" + ); + + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + + output.shouldNotContain("error"); + + output.shouldHaveExitValue(0); + } + static class AllocateAndSystemGC { + public static void main(String [] args) { + Integer x[] = new Integer [1000]; + // Allocate enough objects to cause a minor collection. + // These allocations suffice for a 4m young geneneration. + for (int i = 0; i < 100; i++) { + Integer y[] = new Integer[10000]; + } + System.gc(); + } + } +}