1 /*

     2  * Copyright (c) 2019, 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 package gc.g1;

    25 

    26 /*

    27  * @test TestNoUseHCC

    28  * @summary Check that G1 survives a GC without HCC enabled

    29  * @requires vm.gc.G1

    30  * @key gc

    31  * @modules java.base/jdk.internal.misc

    32  * @library /test/lib

    33  * @build sun.hotspot.WhiteBox

    34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    35  * @run main/othervm -Xbootclasspath/a:. -Xlog:gc+phases=debug -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+UseG1GC -Xmx64M -XX:G1ConcRSLogCacheSize=0 gc.g1.TestNoUseHCC

    36  */

    37 

    38 import sun.hotspot.WhiteBox;

    39 

    40 public class TestNoUseHCC {

    41 

    42     private static final WhiteBox WB = WhiteBox.getWhiteBox();

    43 

    44     public static void main(String [] args) {

    45         WB.youngGC();

    46     }

    47 }

    48