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 TestUseCompressedOopsErgo

    26  * @key gc

    27  * @bug 8010722

    28  * @summary Tests ergonomics for UseCompressedOops.

    29  * @library /testlibrary /testlibrary/whitebox

    30  * @build TestUseCompressedOopsErgo TestUseCompressedOopsErgoTools

    31  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    32  * @run main/othervm TestUseCompressedOopsErgo -XX:+UseG1GC

    33  * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC

    34  * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC -XX:-UseParallelOldGC

    35  * @run main/othervm TestUseCompressedOopsErgo -XX:+UseConcMarkSweepGC

    36  * @run main/othervm TestUseCompressedOopsErgo -XX:+UseSerialGC

    37  */

    38 

    39 public class TestUseCompressedOopsErgo {

    40 

    41   public static void main(String args[]) throws Exception {

    42     if (!TestUseCompressedOopsErgoTools.is64bitVM()) {

    43       // this test is relevant for 64 bit VMs only

    44       return;

    45     }

    46     final String[] gcFlags = args;

    47     TestUseCompressedOopsErgoTools.checkCompressedOopsErgo(gcFlags);

    48   }

    49 }

    50