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/*
* 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 TestDynMinHeapFreeRatio
* @bug 8028391
* @summary Verify that MinHeapFreeRatio flag is manageable
* @library /testlibrary
* @run main TestDynMinHeapFreeRatio
* @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio
* @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMinHeapFreeRatio
* @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMinHeapFreeRatio
* @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMinHeapFreeRatio
* @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio
*/
import com.oracle.java.testlibrary.TestDynamicVMOption;
import com.oracle.java.testlibrary.DynamicVMOptionChecker;
public class TestDynMinHeapFreeRatio extends TestDynamicVMOption {
public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";
public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";
public TestDynMinHeapFreeRatio() {
super(MinFreeRatioFlagName);
}
public void test() {
int maxHeapFreeValue = DynamicVMOptionChecker.getIntValue(MaxFreeRatioFlagName);
System.out.println(MaxFreeRatioFlagName + " = " + maxHeapFreeValue);
testPercentageValues();
checkInvalidValue(Integer.toString(maxHeapFreeValue + 1));
checkValidValue(Integer.toString(maxHeapFreeValue));
checkValidValue("0");
}
public static void main(String args[]) throws Exception {
new TestDynMinHeapFreeRatio().test();
}
}
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