Mercurial > hg > graal-compiler
view test/gc/arguments/TestDynMinHeapFreeRatio.java @ 20410:232b50b20797 jdk8u40-b05
Added tag hs25.40-b09 for changeset c9635cad4a5d
author | amurillo |
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date | Fri, 05 Sep 2014 15:02:44 -0700 |
parents | 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 static com.oracle.java.testlibrary.Asserts.assertEQ; import static com.oracle.java.testlibrary.Asserts.assertFalse; import static com.oracle.java.testlibrary.Asserts.assertTrue; import com.oracle.java.testlibrary.DynamicVMOption; public class TestDynMinHeapFreeRatio { public static void main(String args[]) throws Exception { // high boundary value int maxValue = DynamicVMOption.getInt("MaxHeapFreeRatio"); System.out.println("MaxHeapFreeRatio= " + maxValue); String badValues[] = { null, "", "not a number", "8.5", "-0.01", Integer.toString(Integer.MIN_VALUE), Integer.toString(Integer.MAX_VALUE), Integer.toString(maxValue + 1), "-1024", "-1", "101", "1997" }; String goodValues[] = { Integer.toString(maxValue), Integer.toString(maxValue - 1), Integer.toString(maxValue / 2), "0", "1" }; // option under test DynamicVMOption option = new DynamicVMOption("MinHeapFreeRatio"); assertTrue(option.isWriteable(), "Option " + option.name + " is expected to be writable"); for (String v : badValues) { assertFalse(option.isValidValue(v), "'" + v + "' is expected to be illegal for flag " + option.name); } for (String v : goodValues) { option.setValue(v); String newValue = option.getValue(); assertEQ(v, newValue); } } }