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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test TestDynMinHeapFreeRatio
 * @key gc
 * @bug JDK-8028391
 * @summary Verify that MinHeapFreeRatio flag is managable
 * @library /testlibrary /testlibrary/gc
 * @build TestDynMinHeapFreeRatio com.oracle.java.testlibrary.VMOptionValueChecker
 * @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.*;

public class TestDynMinHeapFreeRatio {

    public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";
    public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";

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

        int minHeapFreeValue = VMOptionValueChecker.getIntWritableValue(MinFreeRatioFlagName);
        int maxHeapFreeValue = VMOptionValueChecker.getIntWritableValue(MaxFreeRatioFlagName);
        System.out.println(MinFreeRatioFlagName + " = " + minHeapFreeValue);
        System.out.println(MaxFreeRatioFlagName + " = " + maxHeapFreeValue);

        VMOptionValueChecker.checkInvalidValue(MinFreeRatioFlagName, Integer.toString(Integer.MIN_VALUE));
        VMOptionValueChecker.checkInvalidValue(MinFreeRatioFlagName, Integer.toString(Integer.MAX_VALUE));
        VMOptionValueChecker.checkInvalidValue(MinFreeRatioFlagName, "-10");

        VMOptionValueChecker.checkInvalidValue(MinFreeRatioFlagName, Integer.toString(maxHeapFreeValue + 1));
        VMOptionValueChecker.checkInvalidValue(MinFreeRatioFlagName, "190");

        VMOptionValueChecker.checkValid(MinFreeRatioFlagName, Integer.toString(maxHeapFreeValue));
        VMOptionValueChecker.checkValid(MinFreeRatioFlagName, "0");

    }

}