/*
* Copyright ( c ) 2021 , Alibaba Group Holding Limited . 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 jdk.jfr.jcmd;
import java.io.File;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.FileHelper;
import jdk.test.lib.process.OutputAnalyzer;
/**
* @ test
* @ summary The test verifies JFR . start / dump / stop commands
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib / test / jdk
* @ run main / othervm jdk . jfr . jcmd . TestFilenameExpansion
*/
public class TestFilenameExpansion {
public static void main(String[] args) throws Exception {
String pid = Long .toString(ProcessHandle.current().pid());
String name = "output_%p_%t_%%.jfr" ;
String pattern = "output_" + pid + "_" + "\\d{4}_\\d{2}_\\d{2}_\\d{2}_\\d{2}_\\d{2}" + "_%\\.jfr" ;
JcmdHelper.jcmd("JFR.start name=test" );
String filename = JcmdHelper.readFilename(JcmdHelper.jcmd("JFR.dump name=test filename=" + name));
File file = new File(filename);
Asserts.assertTrue(file.exists(), file.getAbsolutePath() + " does not exist" );
Asserts.assertTrue(file.isFile(), file.getAbsolutePath() + " is not a file" );
Asserts.assertTrue(Pattern.compile(pattern).matcher(filename).find());
}
}
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¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
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