/*
* Copyright ( c ) 2016 , 2020 , 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 .
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*/
package gc;
/* @test TestVerifySubSet.java
* @ bug 8072725
* @ summary Test VerifySubSet option
* @ library / test / lib
* @ modules java . base / jdk . internal . misc
* @ run main gc . TestVerifySubSet
*/
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import java.util.ArrayList;
import java.util.Collections;
import jdk.test.lib.Utils;
class TestVerifySubSetRunSystemGC {
public static void main(String args[]) throws Exception {
System.gc();
}
}
public class TestVerifySubSet {
private static OutputAnalyzer runTest(String subset) throws Exception {
ArrayList<String> vmOpts = new ArrayList<>();
Collections.addAll(vmOpts, Utils.getFilteredTestJavaOpts("-Xlog.*" ));
Collections.addAll(vmOpts, new String[] {"-XX:+UnlockDiagnosticVMOptions" ,
"-XX:+VerifyBeforeGC" ,
"-XX:+VerifyAfterGC" ,
"-Xlog:gc+verify=debug" ,
"-XX:VerifySubSet=" +subset,
TestVerifySubSetRunSystemGC.class .getName()});
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(vmOpts);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
System.out.println("Output:\n" + output.getOutput());
return output;
}
public static void main(String args[]) throws Exception {
OutputAnalyzer output;
output = runTest("heap, threads, codecache, metaspace" );
output.shouldContain("Heap" );
output.shouldContain("Threads" );
output.shouldContain("CodeCache" );
output.shouldContain("MetaspaceUtils" );
output.shouldNotContain("SymbolTable" );
output.shouldNotContain("StringTable" );
output.shouldNotContain("SystemDictionary" );
output.shouldNotContain("CodeCache Oops" );
output.shouldHaveExitValue(0 );
output = runTest("hello, threads, codecache, metaspace" );
output.shouldContain("memory sub-system is unknown, please correct it" );
output.shouldNotContain("Threads" );
output.shouldNotContain("CodeCache" );
output.shouldNotContain("MetaspaceUtils" );
output.shouldHaveExitValue(1 );
}
}
Messung V0.5 in Prozent C=97 H=80 G=88
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
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