jdk8-mips64-public/hotspot: test/gc/arguments/TestDynMaxHeapFreeRatio.java@3b4e1b5c13a0

8037510: CMM Testing: Min/MaxHeapFreeRatio flags should be manageable through the API
Summary: Added tests for Min/MaxHeapFreeRatio flags
Reviewed-by: jwilhelm, tschatzl
Contributed-by: andrey.x.zakharov@oracle.com

     1 /*

     2  * Copyright (c) 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 TestDynMaxHeapFreeRatio

    26  * @bug 8028391

    27  * @summary Verify that MaxHeapFreeRatio flag is manageable

    28  * @library /testlibrary

    29  * @run main TestDynMaxHeapFreeRatio

    30  * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio

    31  * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio

    32  * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio

    33  * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio

    34  * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio

    35  */

    36 import com.oracle.java.testlibrary.TestDynamicVMOption;

    37 import com.oracle.java.testlibrary.DynamicVMOptionChecker;

    39 public class TestDynMaxHeapFreeRatio extends TestDynamicVMOption {

    41     public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";

    42     public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";

    44     public TestDynMaxHeapFreeRatio() {

    45         super(MaxFreeRatioFlagName);

    46     }

    48     public void test() {

    50         int minHeapFreeValue = DynamicVMOptionChecker.getIntValue(MinFreeRatioFlagName);

    51         System.out.println(MinFreeRatioFlagName + " = " + minHeapFreeValue);

    53         testPercentageValues();

    55         checkInvalidValue(Integer.toString(minHeapFreeValue - 1));

    56         checkValidValue(Integer.toString(minHeapFreeValue));

    57         checkValidValue("100");

    58     }

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

    61         new TestDynMaxHeapFreeRatio().test();

    62     }

    64 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/gc/arguments/TestDynMaxHeapFreeRatio.java@3b4e1b5c13a0

test/gc/arguments/TestDynMaxHeapFreeRatio.java