127 lines
4.9 KiB
Java
127 lines
4.9 KiB
Java
/*
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* Copyright (c) 2013, 2024, 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 TestMaxNewSizeSerial
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* @bug 7057939
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* @summary Make sure that MaxNewSize always has a useful value after argument
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* processing.
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* @key flag-sensitive
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* @requires vm.gc.Serial & vm.opt.MaxNewSize == null & vm.opt.NewRatio == null & vm.opt.NewSize == null
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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 gc.arguments.TestMaxNewSize -XX:+UseSerialGC
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* @author thomas.schatzl@oracle.com, jesper.wilhelmsson@oracle.com
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*/
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/*
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* @test TestMaxNewSizeParallel
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* @bug 7057939
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* @summary Make sure that MaxNewSize always has a useful value after argument
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* processing.
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* @key flag-sensitive
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* @requires vm.gc.Parallel & vm.opt.MaxNewSize == null & vm.opt.NewRatio == null & vm.opt.NewSize == null
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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 gc.arguments.TestMaxNewSize -XX:+UseParallelGC
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* @author thomas.schatzl@oracle.com, jesper.wilhelmsson@oracle.com
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*/
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/*
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* @test TestMaxNewSizeG1
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* @bug 7057939
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* @summary Make sure that MaxNewSize always has a useful value after argument
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* processing.
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* @key flag-sensitive
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* @requires vm.gc.G1 & vm.opt.MaxNewSize == null & vm.opt.NewRatio == null & vm.opt.NewSize == null
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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 gc.arguments.TestMaxNewSize -XX:+UseG1GC
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* @author thomas.schatzl@oracle.com, jesper.wilhelmsson@oracle.com
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*/
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.math.BigInteger;
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import java.util.ArrayList;
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import java.util.Arrays;
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import jdk.test.lib.process.OutputAnalyzer;
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public class TestMaxNewSize {
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private static void checkMaxNewSize(String[] flags, int heapsize) throws Exception {
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BigInteger actual = new BigInteger(getMaxNewSize(flags));
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System.out.println("asserting: " + actual + " <= " + heapsize);
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if (actual.compareTo(new BigInteger("" + heapsize)) > 0) {
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throw new RuntimeException("MaxNewSize value set to \"" + actual +
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"\", expected otherwise when running with the following flags: " + Arrays.asList(flags).toString());
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}
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}
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private static String getMaxNewSize(String[] flags) throws Exception {
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ArrayList<String> finalargs = new ArrayList<String>();
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finalargs.addAll(Arrays.asList(flags));
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finalargs.add("-XX:+PrintFlagsFinal");
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finalargs.add("-version");
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OutputAnalyzer output = GCArguments.executeTestJava(finalargs);
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output.shouldHaveExitValue(0);
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String stdout = output.getStdout();
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return getFlagValue("MaxNewSize", stdout);
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}
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private static String getFlagValue(String flag, String where) {
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Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
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if (!m.find()) {
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throw new RuntimeException("Could not find value for flag " + flag + " in output string");
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}
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String match = m.group();
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return match.substring(match.lastIndexOf(" ") + 1, match.length());
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}
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public static void main(String args[]) throws Exception {
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String gcName = args[0];
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final int M = 1024 * 1024;
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checkMaxNewSize(new String[] { gcName, "-Xmx128M" }, 128 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewRatio=5" }, 128 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewSize=32M" }, 128 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:MaxNewSize=32M" }, 32 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewSize=32M", "-XX:MaxNewSize=32M" }, 32 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewRatio=6", "-XX:MaxNewSize=32M" }, 32 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-Xms96M" }, 128 * M);
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checkMaxNewSize(new String[] { gcName, "-Xmx96M", "-Xms96M" }, 96 * M);
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checkMaxNewSize(new String[] { gcName, "-XX:NewSize=128M", "-XX:MaxNewSize=50M"}, 128 * M);
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}
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}
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