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7148143: PropertyChangeSupport.addPropertyChangeListener can throw ClassCastException

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Reviewed-by: rupashka
This commit is contained in:
Sergey Malenkov 2012-03-05 18:01:13 +04:00
parent a70c2d02ad
commit 0f708d90df
5 changed files with 140 additions and 11 deletions
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58
jdk/test/java/beans/PropertyChangeSupport/Test7148143.java Normal file
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/*
* Copyright (c) 2012, 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.
*/
/*
* @test
* @bug 7148143
* @summary Tests ClassCastException for the PropertyChangeSupport class
* @author Sergey Malenkov
*/
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.EventListener;
import java.util.EventListenerProxy;
public class Test7148143 {
private static class CustomProxy
extends EventListenerProxy<EventListener>
implements PropertyChangeListener {
public CustomProxy() {
super(new EventListener() {
});
}
public void propertyChange(PropertyChangeEvent event) {
}
}
public static void main(String[] args) {
PropertyChangeListener listener = new CustomProxy();
PropertyChangeSupport support = new PropertyChangeSupport(listener);
support.addPropertyChangeListener(listener);
support.addPropertyChangeListener("foo", listener); // cast class exception
}
}

58
jdk/test/java/beans/VetoableChangeSupport/Test7148143.java Normal file
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/*
* Copyright (c) 2012, 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.
*/
/*
* @test
* @bug 7148143
* @summary Tests ClassCastException for the VetoableChangeSupport class
* @author Sergey Malenkov
*/
import java.beans.PropertyChangeEvent;
import java.beans.VetoableChangeListener;
import java.beans.VetoableChangeSupport;
import java.util.EventListener;
import java.util.EventListenerProxy;
public class Test7148143 {
private static class CustomProxy
extends EventListenerProxy<EventListener>
implements VetoableChangeListener {
public CustomProxy() {
super(new EventListener() {
});
}
public void vetoableChange(PropertyChangeEvent event) {
}
}
public static void main(String[] args) {
VetoableChangeListener listener = new CustomProxy();
VetoableChangeSupport support = new VetoableChangeSupport(listener);
support.addVetoableChangeListener(listener);
support.addVetoableChangeListener("foo", listener); // cast class exception
}
}