Mercurial > hg > graal-compiler
view test/gc/arguments/TestDynMaxHeapFreeRatio.java @ 20916:661ed7d3d10d
RegisterConfig: rename getAllocatableRegisters(PK,R[) to filterAllocatableRegisters and remove caching from implementors.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 13 Apr 2015 16:50:27 +0200 |
parents | e2976043eac3 |
children |
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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. */ 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; /** * @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 */ public class TestDynMaxHeapFreeRatio { public static void main(String args[]) throws Exception { // low boundary value int minValue = DynamicVMOption.getInt("MinHeapFreeRatio"); System.out.println("MinHeapFreeRatio= " + minValue); String badValues[] = { null, "", "not a number", "8.5", "-0.01", Integer.toString(Integer.MIN_VALUE), Integer.toString(Integer.MAX_VALUE), Integer.toString(minValue - 1), "-1024", "-1", "101", "1997" }; String goodValues[] = { Integer.toString(minValue), Integer.toString(minValue + 1), Integer.toString((minValue + 100) / 2), "99", "100" }; DynamicVMOption option = new DynamicVMOption("MaxHeapFreeRatio"); 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); } } }