/*
* Copyright ( c ) 2014 , 2018 , 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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*/
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.apps.LingeredApp;
/*
* @ test
* @ summary This test verifies jps usage and checks that appropriate error message is shown
* when running jps with illegal arguments .
* @ library / test / lib
* @ modules jdk . jartool / sun . tools . jar
* java . management
* java . base / jdk . internal . misc
* @ build jdk . test . lib . apps . * JpsHelper
* @ run driver TestJpsSanity
*/
public class TestJpsSanity {
public static void main(String[] args) throws Throwable {
testJpsUsage();
testJpsVersion();
testJpsUnknownHost();
testJpsShort();
testJpsLong();
testJpsShortPkg();
testJpsLongPkg();
}
private static void testJpsShort() throws Exception {
OutputAnalyzer output = JpsHelper.jps();
output.shouldMatch("^[0-9]+ Jps$" );
}
private static void testJpsLong() throws Exception {
OutputAnalyzer output = JpsHelper.jps("-l" );
output.shouldMatch("^[0-9]+ jdk\\.jcmd/sun\\.tools\\.jps\\.Jps$" );
}
private static void testJpsShortPkg() throws Exception {
LingeredApp app = null ;
try {
app = LingeredApp.startApp();
OutputAnalyzer output = JpsHelper.jps();
output.shouldMatch("^[0-9]+ LingeredApp$" );
} finally {
LingeredApp.stopApp(app);
}
}
private static void testJpsLongPkg() throws Exception {
LingeredApp app = null ;
try {
app = LingeredApp.startApp();
OutputAnalyzer output = JpsHelper.jps("-l" );
output.shouldMatch("^[0-9]+ jdk\\.test\\.lib\\.apps\\.LingeredApp$" );
} finally {
LingeredApp.stopApp(app);
}
}
private static void testJpsUsage() throws Exception {
OutputAnalyzer output = JpsHelper.jps("-?" );
JpsHelper.verifyOutputAgainstFile(output);
output = JpsHelper.jps("-h" );
JpsHelper.verifyOutputAgainstFile(output);
output = JpsHelper.jps("--help" );
JpsHelper.verifyOutputAgainstFile(output);
}
private static void testJpsVersion() throws Exception {
OutputAnalyzer output = JpsHelper.jps("-version" );
Asserts.assertNotEquals(output.getExitValue(), 0 , "Exit code shouldn't be 0" );
Asserts.assertFalse(output.getStderr().isEmpty(), "Error output should not be empty" );
output.shouldContain("illegal argument: -version" );
}
private static void testJpsUnknownHost() throws Exception {
String invalidHostName = "Oja781nh2ev7vcvbajdg-Sda1-C.invalid" ;
OutputAnalyzer output = JpsHelper.jps(invalidHostName);
Asserts.assertNotEquals(output.getExitValue(), 0 , "Exit code shouldn't be 0" );
Asserts.assertFalse(output.getStderr().isEmpty(), "Error output should not be empty" );
output.shouldMatch(".*(RMI Registry not available at|Unknown host\\:) " + invalidHostName + ".*" );
}
}
Messung V0.5 in Prozent C=98 H=99 G=98
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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