Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java
test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java
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| 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 CheckAllocateAndSystemGC | |
| 26 * @summary CMS: assert(used() == used_after_gc && used_after_gc <= capacity()) failed: used: 0 used_after_gc: 292080 capacity: 1431699456 | |
| 27 * @bug 8013032 | |
| 28 * @key gc | |
| 29 * @key regression | |
| 30 * @library /testlibrary | |
| 31 * @run main/othervm CheckAllocateAndSystemGC | |
| 32 * @author jon.masamitsu@oracle.com | |
| 33 */ | |
| 34 | |
| 35 import com.oracle.java.testlibrary.*; | |
| 36 | |
| 37 public class CheckAllocateAndSystemGC { | |
| 38 public static void main(String args[]) throws Exception { | |
| 39 | |
| 40 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( | |
| 41 "-showversion", | |
| 42 "-XX:+UseConcMarkSweepGC", | |
| 43 "-Xmn4m", | |
| 44 "-XX:MaxTenuringThreshold=1", | |
| 45 "-XX:-UseCMSCompactAtFullCollection", | |
| 46 "CheckAllocateAndSystemGC$AllocateAndSystemGC" | |
| 47 ); | |
| 48 | |
| 49 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
| 50 | |
| 51 output.shouldNotContain("error"); | |
| 52 | |
| 53 output.shouldHaveExitValue(0); | |
| 54 } | |
| 55 static class AllocateAndSystemGC { | |
| 56 public static void main(String [] args) { | |
| 57 Integer x[] = new Integer [1000]; | |
| 58 // Allocate enough objects to cause a minor collection. | |
| 59 // These allocations suffice for a 4m young geneneration. | |
| 60 for (int i = 0; i < 100; i++) { | |
| 61 Integer y[] = new Integer[10000]; | |
| 62 } | |
| 63 System.gc(); | |
| 64 } | |
| 65 } | |
| 66 } |
