/*

 * Copyright (c) 2014, 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 TestDynMaxHeapFreeRatio

 * @bug 8028391

 * @summary Verify that MaxHeapFreeRatio flag is manageable

 * @library /testlibrary

 * @run main TestDynMaxHeapFreeRatio

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

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

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

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

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

 */

import com.oracle.java.testlibrary.TestDynamicVMOption;

import com.oracle.java.testlibrary.DynamicVMOptionChecker;

public class TestDynMaxHeapFreeRatio extends TestDynamicVMOption {

    public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";

    public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";

    public TestDynMaxHeapFreeRatio() {

        super(MaxFreeRatioFlagName);

    }

    public void test() {

        int minHeapFreeValue = DynamicVMOptionChecker.getIntValue(MinFreeRatioFlagName);

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

        testPercentageValues();

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

        checkValidValue(Integer.toString(minHeapFreeValue));

        checkValidValue("100");

    }

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

        new TestDynMaxHeapFreeRatio().test();

    }

}