57 lines
2.4 KiB
Java
57 lines
2.4 KiB
Java
/*
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* Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package gc.arguments;
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/*
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* @test TestShrinkHeapInSteps
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* @summary Verify that -XX:-ShrinkHeapInSteps works properly.
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* @requires vm.gc != "Z" & vm.gc != "Shenandoah"
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* @library /test/lib
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* @library /
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run driver/timeout=240 gc.arguments.TestShrinkHeapInSteps
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*/
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import java.util.LinkedList;
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import java.util.Arrays;
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import jdk.test.lib.Utils;
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public class TestShrinkHeapInSteps {
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public static void main(String args[]) throws Exception {
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LinkedList<String> options = new LinkedList<>(
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Arrays.asList(Utils.getFilteredTestJavaOpts("-XX:[^ ]*HeapFreeRatio","-XX:\\+ExplicitGCInvokesConcurrent"))
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);
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// Leverage the existing TestMaxMinHeapFreeRatioFlags test, but pass
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// "false" for the shrinkHeapInSteps argument. This will cause it to
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// run with -XX:-ShrinkHeapInSteps, and only do 1 full GC instead of 10.
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TestMaxMinHeapFreeRatioFlags.positiveTest(10, false, 90, false, false, options);
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TestMaxMinHeapFreeRatioFlags.positiveTest(10, true, 80, false, false, options);
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TestMaxMinHeapFreeRatioFlags.positiveTest(20, false, 70, true, false, options);
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TestMaxMinHeapFreeRatioFlags.positiveTest(25, true, 65, true, false, options);
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TestMaxMinHeapFreeRatioFlags.positiveTest(40, false, 50, false, false, options);
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}
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}
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