view test/gc/arguments/TestDynMinHeapFreeRatio.java @ 19147:609480dfa0d8

Create ExplodeLoop plugin prototype. Special sort for blocks from bci block map builder for explode loop methods. Graph builder plugin for customizing static field accesses. New Truffle option TruffleExcludeAssertions default true that excludes assertion code from being partial evaluated in the new partial evaluator.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 05 Feb 2015 03:25:21 +0100
parents 3b4e1b5c13a0
children e2976043eac3
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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();
    }
}