/*
 * Copyright (c) 2013, 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 TestUseCompressedOopsErgo
 * @key gc
 * @bug 8010722
 * @summary Tests ergonomics for UseCompressedOops.
 * @requires vm.gc=="null"
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management/sun.management
 * @build sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseG1GC
 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC
 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC -XX:-UseParallelOldGC
 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseSerialGC
 */

/*
 * @test TestUseCompressedOopsErgoCMS
 * @key gc
 * @bug 8010722
 * @comment Graal does not support CMS
 * @requires vm.gc=="null" & !vm.graal.enabled
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management/sun.management
 * @build sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseConcMarkSweepGC
 */

public class TestUseCompressedOopsErgo {

  public static void main(String args[]) throws Exception {
    if (!TestUseCompressedOopsErgoTools.is64bitVM()) {
      // this test is relevant for 64 bit VMs only
      return;
    }
    final String[] gcFlags = args;
    TestUseCompressedOopsErgoTools.checkCompressedOopsErgo(gcFlags);
  }
}

