/*
* Copyright ( c ) 2013 , 2016 , 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 .
*/
import java.util.logging.Logger;
import sun.awt.AppContext;
import sun.awt.SunToolkit;
/**
* @ test
* @ bug 8026404
* @ summary checks that calling getLogger ( ) from a Thread whose ThreadGroup is
* a child of the main root group doesn ' t throw an exception .
* @ modules java . desktop / sun . awt
* java . logging
* @ build TestMainAppContext
* @ run main / othervm - Djava . security . manager = allow TestMainAppContext
* @ author danielfuchs
*/
public class TestMainAppContext {
static volatile Throwable thrown = null ;
public static void main(String... args) throws Exception {
ThreadGroup rootTG = Thread .currentThread().getThreadGroup();
while (rootTG.getParent() != null ) {
rootTG = rootTG.getParent();
}
ThreadGroup tg = new ThreadGroup(rootTG, "FakeApplet" );
final Thread t1 = new Thread (tg, "createNewAppContext" ) {
@Override
public void run() {
try {
AppContext context = SunToolkit.createNewAppContext();
} catch (Throwable t) {
thrown = t;
}
}
};
t1.start();
t1.join();
if (thrown != null ) {
throw new RuntimeException("Unexpected exception: " + thrown, thrown);
}
Thread t2 = new Thread (tg, "BugDetector" ) {
@Override
public void run() {
try {
Logger.getLogger("foo" ).info("Done" );
} catch (Throwable x) {
thrown = x;
}
}
};
System.setSecurityManager(new SecurityManager());
t2.start();
t2.join();
if (thrown != null ) {
throw new RuntimeException("Test failed: " + thrown, thrown);
}
}
}
Messung V0.5 in Prozent C=96 H=88 G=91
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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