test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java
author iklam
Thu, 23 Aug 2018 21:16:45 -0700
changeset 51527 dda0f219dafa
parent 51370 fbb62267e5e9
child 51990 6003e034cdd8
permissions -rw-r--r--
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed Summary: Move different execution modes to IncompatibleOptions_stringDedup.java and IncompatibleOptions_noCompactStrings.java Reviewed-by: jiangli, coleenp

/*
 * Copyright (c) 2015, 2018, 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
 * @summary Exercise GC with shared strings
 * @requires vm.cds.archived.java.heap
 * @library /test/hotspot/jtreg/runtime/appcds /test/lib
 * @modules java.base/jdk.internal.misc
 * @modules java.management
 *          jdk.jartool/sun.tools.jar
 * @build HelloStringGC sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 * @run main ExerciseGC
 * @run main/othervm -XX:+UseStringDeduplication ExerciseGC
 * @run main/othervm -XX:-CompactStrings ExerciseGC
 */
public class ExerciseGC {
    public static void main(String[] args) throws Exception {
        SharedStringsUtils.buildJarAndWhiteBox("HelloStringGC");

        SharedStringsUtils.dumpWithWhiteBox(TestCommon.list("HelloStringGC"),
            "SharedStringsBasic.txt", "-Xlog:cds,cds+hashtables");

        SharedStringsUtils.runWithArchiveAndWhiteBox("HelloStringGC",
            "-XX:+UnlockDiagnosticVMOptions", "-XX:+VerifyBeforeGC");
    }
}