/*
* Copyright ( c ) 2016 , 2019 , 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
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*/
package jdk.jfr.tool;
import java.io.FileWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import jdk.test.lib.Utils;
import jdk.test.lib.process.OutputAnalyzer;
/**
* @ test
* @ summary Test jfr print
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib / test / jdk
* @ run main / othervm jdk . jfr . tool . TestPrint
*/
public class TestPrint {
public static void main(String[] args) throws Throwable {
OutputAnalyzer output = ExecuteHelper.jfr("print" );
output.shouldContain("missing file" );
output = ExecuteHelper.jfr("print" , "missing.jfr" );
output.shouldContain("could not open file " );
Path file = Utils.createTempFile("faked-print-file" , ".jfr" );
FileWriter fw = new FileWriter(file.toFile());
fw.write('d' );
fw.close();
output = ExecuteHelper.jfr("print" , "--wrongOption" , file.toAbsolutePath().toString());
output.shouldContain("unknown option" );
Files.delete (file);
}
}
Messung V0.5 in Prozent C=97 H=86 G=91
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
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