jdk8-mips64-public/hotspot: test/gc/arguments/TestG1HeapRegionSize.java@f967da7f0c3c

8062537: [TESTBUG] Conflicting GC combinations in hotspot tests
Reviewed-by: tschatzl, jwilhelm

     1 /*

     2 * Copyright (c) 2013, 2014, 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 */

    24 /*

    25  * @test TestG1HeapRegionSize

    26  * @key gc

    27  * @bug 8021879

    28  * @requires vm.gc=="G1" | vm.gc=="null"

    29  * @summary Verify that the flag G1HeapRegionSize is updated properly

    30  * @run main/othervm -Xmx64m TestG1HeapRegionSize 1048576

    31  * @run main/othervm -XX:G1HeapRegionSize=2m -Xmx64m -XX:+UseG1GC TestG1HeapRegionSize 2097152

    32  * @run main/othervm -XX:G1HeapRegionSize=3m -Xmx64m -XX:+UseG1GC TestG1HeapRegionSize 2097152

    33  * @run main/othervm -XX:G1HeapRegionSize=64m -Xmx256m -XX:+UseG1GC TestG1HeapRegionSize 33554432

    34  */

    36 import sun.management.ManagementFactoryHelper;

    37 import com.sun.management.HotSpotDiagnosticMXBean;

    38 import com.sun.management.VMOption;

    40 public class TestG1HeapRegionSize {

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

    43     HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();

    45     String expectedValue = getExpectedValue(args);

    46     VMOption option = diagnostic.getVMOption("G1HeapRegionSize");

    47     if (!expectedValue.equals(option.getValue())) {

    48       throw new RuntimeException("Wrong value for G1HeapRegionSize. Expected " + expectedValue + " but got " + option.getValue());

    49     }

    50   }

    52   private static String getExpectedValue(String[] args) {

    53     if (args.length != 1) {

    54       throw new RuntimeException("Wrong number of arguments. Expected 1 but got " + args.length);

    55     }

    56     return args[0];

    57   }

    59 }

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