1 /*
   2  * Copyright (c) 2013, 2020, 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.arguments;
  25 
  26 /*
  27  * @test TestUseCompressedOopsErgoSerial
  28  * @bug 8010722
  29  * @summary Tests ergonomics for UseCompressedOops.
  30  * @requires vm.gc.Serial
  31  * @library /test/lib
  32  * @library /
  33  * @modules java.base/jdk.internal.misc
  34  *          java.management/sun.management
  35  * @build sun.hotspot.WhiteBox
  36  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  37  * @run driver gc.arguments.TestUseCompressedOopsErgo -XX:+UseSerialGC
  38  */
  39 
  40 /*
  41  * @test TestUseCompressedOopsErgoParallel
  42  * @bug 8010722
  43  * @summary Tests ergonomics for UseCompressedOops.
  44  * @requires vm.gc.Parallel
  45  * @library /test/lib
  46  * @library /
  47  * @modules java.base/jdk.internal.misc
  48  *          java.management/sun.management
  49  * @build sun.hotspot.WhiteBox
  50  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  51  * @run driver gc.arguments.TestUseCompressedOopsErgo -XX:+UseParallelGC
  52  */
  53 
  54 /*
  55  * @test TestUseCompressedOopsErgoG1
  56  * @bug 8010722
  57  * @summary Tests ergonomics for UseCompressedOops.
  58  * @requires vm.gc.G1
  59  * @library /test/lib
  60  * @library /
  61  * @modules java.base/jdk.internal.misc
  62  *          java.management/sun.management
  63  * @build sun.hotspot.WhiteBox
  64  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  65  * @run driver gc.arguments.TestUseCompressedOopsErgo -XX:+UseG1GC
  66  */
  67 
  68 /*
  69  * @test TestUseCompressedOopsErgoShenandoah
  70  * @bug 8010722
  71  * @comment Graal does not support Shenandoah
  72  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  73  * @library /test/lib
  74  * @library /
  75  * @modules java.base/jdk.internal.misc
  76  *          java.management/sun.management
  77  * @build sun.hotspot.WhiteBox
  78  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  79  * @run driver gc.arguments.TestUseCompressedOopsErgo -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC
  80  */
  81 
  82 public class TestUseCompressedOopsErgo {
  83 
  84   public static void main(String args[]) throws Exception {
  85     if (!TestUseCompressedOopsErgoTools.is64bitVM()) {
  86       // this test is relevant for 64 bit VMs only
  87       return;
  88     }
  89     final String[] gcFlags = args;
  90     TestUseCompressedOopsErgoTools.checkCompressedOopsErgo(gcFlags);
  91   }
  92 }
  93