jdk/test/hotspot/jtreg/gc/arguments/TestParallelRefProc.java
Ramkumar Sunderbabu 3a8a6e07f2 8319326: GC: Make TestParallelRefProc use createTestJavaProcessBuilder
Reviewed-by: stefank, iwalulya
2025-12-09 09:15:04 +00:00

122 lines
4.3 KiB
Java

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