Mercurial > hg > truffle
diff test/gc/arguments/TestDynMaxHeapFreeRatio.java @ 17751:3b4e1b5c13a0
8037510: CMM Testing: Min/MaxHeapFreeRatio flags should be manageable through the API
Summary: Added tests for Min/MaxHeapFreeRatio flags
Reviewed-by: jwilhelm, tschatzl
Contributed-by: andrey.x.zakharov@oracle.com
author | jwilhelm |
---|---|
date | Thu, 20 Mar 2014 16:31:47 +0100 |
parents | |
children | e2976043eac3 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/gc/arguments/TestDynMaxHeapFreeRatio.java Thu Mar 20 16:31:47 2014 +0100 @@ -0,0 +1,64 @@ +/* + * 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(); + } + +}