test/gc/arguments/TestDynMaxHeapFreeRatio.java

changeset 6400
3b4e1b5c13a0
parent 0
f90c822e73f8
child 6952
e2976043eac3
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/gc/arguments/TestDynMaxHeapFreeRatio.java	Thu Mar 20 16:31:47 2014 +0100
     1.3 @@ -0,0 +1,64 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test TestDynMaxHeapFreeRatio
    1.29 + * @bug 8028391
    1.30 + * @summary Verify that MaxHeapFreeRatio flag is manageable
    1.31 + * @library /testlibrary
    1.32 + * @run main TestDynMaxHeapFreeRatio
    1.33 + * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
    1.34 + * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMaxHeapFreeRatio
    1.35 + * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMaxHeapFreeRatio
    1.36 + * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMaxHeapFreeRatio
    1.37 + * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMaxHeapFreeRatio
    1.38 + */
    1.39 +import com.oracle.java.testlibrary.TestDynamicVMOption;
    1.40 +import com.oracle.java.testlibrary.DynamicVMOptionChecker;
    1.41 +
    1.42 +public class TestDynMaxHeapFreeRatio extends TestDynamicVMOption {
    1.43 +
    1.44 +    public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";
    1.45 +    public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";
    1.46 +
    1.47 +    public TestDynMaxHeapFreeRatio() {
    1.48 +        super(MaxFreeRatioFlagName);
    1.49 +    }
    1.50 +
    1.51 +    public void test() {
    1.52 +
    1.53 +        int minHeapFreeValue = DynamicVMOptionChecker.getIntValue(MinFreeRatioFlagName);
    1.54 +        System.out.println(MinFreeRatioFlagName + " = " + minHeapFreeValue);
    1.55 +
    1.56 +        testPercentageValues();
    1.57 +
    1.58 +        checkInvalidValue(Integer.toString(minHeapFreeValue - 1));
    1.59 +        checkValidValue(Integer.toString(minHeapFreeValue));
    1.60 +        checkValidValue("100");
    1.61 +    }
    1.62 +
    1.63 +    public static void main(String args[]) throws Exception {
    1.64 +        new TestDynMaxHeapFreeRatio().test();
    1.65 +    }
    1.66 +
    1.67 +}

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