mirror of
https://github.com/openjdk/jdk.git
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122 lines
4.3 KiB
Java
122 lines
4.3 KiB
Java
/*
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* Copyright (c) 2018, 2025, 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 id=Serial
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* @summary Test defaults processing for -XX:+ParallelRefProcEnabled with Serial GC.
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* @library /test/lib
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* @library /
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* @requires vm.gc.Serial
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* @run driver gc.arguments.TestParallelRefProc Serial
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*/
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/*
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* @test id=Parallel
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* @summary Test defaults processing for -XX:+ParallelRefProcEnabled with Parallel GC.
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* @library /test/lib
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* @library /
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* @requires vm.gc.Parallel
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* @run driver gc.arguments.TestParallelRefProc Parallel
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*/
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/*
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* @test id=G1
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* @summary Test defaults processing for -XX:+ParallelRefProcEnabled with G1 GC.
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* @library /test/lib
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* @library /
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* @requires vm.gc.G1
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* @run driver gc.arguments.TestParallelRefProc G1
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*/
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import java.util.Arrays;
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import java.util.ArrayList;
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import jdk.test.lib.process.OutputAnalyzer;
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public class TestParallelRefProc {
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public static void main(String args[]) throws Exception {
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if (args.length == 0) {
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throw new IllegalArgumentException("Test type must be specified as argument");
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}
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String testType = args[0];
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switch (testType) {
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case "Serial":
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testSerial();
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break;
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case "Parallel":
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testParallel();
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break;
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case "G1":
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testG1();
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break;
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default:
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throw new IllegalArgumentException("Unknown test type \"" + testType + "\"");
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}
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}
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private static void testSerial() throws Exception {
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testFlag(new String[] { "-XX:+UseSerialGC" }, false);
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}
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private static void testParallel() throws Exception {
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testFlag(new String[] { "-XX:+UseParallelGC", "-XX:ParallelGCThreads=1" }, false);
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testFlag(new String[] { "-XX:+UseParallelGC", "-XX:ParallelGCThreads=2" }, true);
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testFlag(new String[] { "-XX:+UseParallelGC", "-XX:-ParallelRefProcEnabled", "-XX:ParallelGCThreads=2" }, false);
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}
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private static void testG1() throws Exception {
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testFlag(new String[] { "-XX:+UseG1GC", "-XX:ParallelGCThreads=1" }, false);
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testFlag(new String[] { "-XX:+UseG1GC", "-XX:ParallelGCThreads=2" }, true);
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testFlag(new String[] { "-XX:+UseG1GC", "-XX:-ParallelRefProcEnabled", "-XX:ParallelGCThreads=2" }, false);
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}
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private static final String parallelRefProcEnabledPattern =
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" *bool +ParallelRefProcEnabled *= *true +\\{product\\}";
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private static final String parallelRefProcDisabledPattern =
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" *bool +ParallelRefProcEnabled *= *false +\\{product\\}";
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private static void testFlag(String[] args, boolean expectedTrue) throws Exception {
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ArrayList<String> result = new ArrayList<String>();
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result.addAll(Arrays.asList(args));
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result.add("-XX:+PrintFlagsFinal");
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result.add("-version");
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OutputAnalyzer output = GCArguments.executeTestJava(result);
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output.shouldHaveExitValue(0);
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final String expectedPattern = expectedTrue ? parallelRefProcEnabledPattern : parallelRefProcDisabledPattern;
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String value = output.firstMatch(expectedPattern);
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if (value == null) {
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throw new RuntimeException(
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Arrays.toString(args) + " didn't set ParallelRefProcEnabled to " + expectedTrue + " as expected");
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}
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}
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}
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