122 lines
4.4 KiB
Java
122 lines
4.4 KiB
Java
/*
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* Copyright (c) 2021, 2023, 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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/*
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* @test
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* @bug 8260349
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* @summary test that setting via the env-var and options file shows up as expected
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* @requires vm.flagless
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* @library /test/lib
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* @run driver MaxMetaspaceSizeEnvVarTest
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*/
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import java.io.PrintWriter;
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import java.lang.management.ManagementFactory;
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import java.lang.management.MemoryPoolMXBean;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class MaxMetaspaceSizeEnvVarTest {
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// This is the test class we exec, passing the MaxMetaspaceSize flag
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// by different mechanisms.
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static class Main {
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public static void main(String[] args) throws Exception {
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long expected = Long.parseLong(args[0]);
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MemoryPoolMXBean metaspaceMemoryPool =
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ManagementFactory.getPlatformMXBeans(MemoryPoolMXBean.class)
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.stream()
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.filter(pool -> "Metaspace".equals(pool.getName()))
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.findFirst()
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.orElseThrow();
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long max = metaspaceMemoryPool.getUsage().getMax();
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System.out.println("Metaspace max usage is " + max);
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if (max != expected) {
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throw new RuntimeException("Metaspace max " + max +
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" != " + expected);
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}
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}
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}
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static void report(String msg) {
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System.out.println(msg);
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System.err.println(msg);
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}
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public static void main(String... args) throws Exception {
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final String max = String.valueOf(9 * 1024 * 1024); // 9 MB
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final String flagRaw = "MaxMetaspaceSize=" + max;
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final String flag = "-XX:" + flagRaw;
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final String main = "MaxMetaspaceSizeEnvVarTest$Main";
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ProcessBuilder pb = null;
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OutputAnalyzer output = null;
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int test = 1;
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report("Test " + test + ": flag not set");
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Main.main(new String[] { "-1" }); // -1 == undefined size
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report("------ end Test " + test);
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test++;
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report("Test " + test + ": normal command-line flag");
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(flag, main, max);
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output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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output.reportDiagnosticSummary();
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report("------ end Test " + test);
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test++;
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String[] envVars = {
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"JDK_JAVA_OPTIONS",
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"_JAVA_OPTIONS",
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"JAVA_TOOL_OPTIONS"
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};
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for (String envVar : envVars) {
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report("Test " + test + ": " + envVar + " env-var");
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(main, max);
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pb.environment().put(envVar, flag);
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output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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output.reportDiagnosticSummary();
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report("------ end Test " + test);
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test++;
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}
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report("Test " + test + ": .hotspotrc file");
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final String rcFile = ".hotspotrc";
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final String rcFileFlag = "-XX:Flags=" + rcFile;
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PrintWriter pw = new PrintWriter(rcFile);
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pw.println(flagRaw);
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pw.close();
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(rcFileFlag, main, max);
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output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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output.reportDiagnosticSummary();
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report("------ end Test " + test);
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}
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}
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