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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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208
test/jdk/java/beans/PropertyChangeSupport/Test4985020.java Normal file
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/*
* Copyright (c) 2004, 2007, 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 4985020
* @summary Tests passing of null as property name
* @author Brent Christian
*/
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.beans.VetoableChangeListener;
import java.beans.VetoableChangeSupport;
public class Test4985020 implements PropertyChangeListener, VetoableChangeListener {
private static final String NAME = new String("Property Name");
private static boolean failed;
public static void main(String[] args) {
PropertyChangeSupport pcs = new PropertyChangeSupport(args);
VetoableChangeSupport vcs = new VetoableChangeSupport(args);
Test4985020 listener = new Test4985020();
//PropertyChangeSupport.addPropertyChangeListener(null, listener)
System.out.println("PropertyChangeSupport.addPropertyChangeListener(null, listener)");
try {
pcs.addPropertyChangeListener(null, listener);
pcs.firePropertyChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.removePropertyChangeListener(null, listener)
System.out.println("PropertyChangeSupport.removePropertyChangeListener(null, listener)");
try {
pcs.removePropertyChangeListener(null, listener);
pcs.firePropertyChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.getPropertyChangeListeners(null)
System.out.println("PropertyChangeSupport.getPropertyChangeListeners(null)");
try {
PropertyChangeListener[] pcls = pcs.getPropertyChangeListeners(null);
if (pcls == null) {
throw new Error("getPropertyChangeListener() returned null");
}
if (pcls.length != 0) {
throw new Error("getPropertyChangeListener() did not return an empty array");
}
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.hasListeners(null)
System.out.println("PropertyChangeSupport.hasListeners(null)");
try {
pcs.hasListeners(null);
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.hasListeners(null): with a generic listener
System.out.println("PropertyChangeSupport.hasListeners(null) with a generic listener");
try {
pcs.addPropertyChangeListener(listener);
if (!pcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned false, but there was a generic listener");
}
}
catch (Throwable error) {
print(error);
}
pcs = new PropertyChangeSupport(args); // reset
//PropertyChangeSupport.hasListeners(null): with a specific listener
System.out.println("PropertyChangeSupport.hasListeners(null) with a specific listener");
try {
pcs.addPropertyChangeListener(NAME, listener);
if (pcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned true, but there were no generic listeners - only a specific listener");
}
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.addVetoableChangeListener(null, listener)
System.out.println("VetoableChangeSupport.addVetoableChangeListener(null, listener)");
try {
vcs.addVetoableChangeListener(null, listener);
vcs.fireVetoableChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.removeVetoableChangeListener(null, listener)
System.out.println("VetoableChangeSupport.removeVetoableChangeListener(null, listener)");
try {
vcs.removeVetoableChangeListener(null, listener);
vcs.fireVetoableChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.getVetoableChangeListeners(null)
System.out.println("VetoableChangeSupport.getVetoableChangeListeners(null)");
try {
VetoableChangeListener[] pcls = vcs.getVetoableChangeListeners(null);
if (pcls == null) {
throw new Error("getVetoableChangeListener() returned null");
}
if (pcls.length != 0) {
throw new Error("getVetoableChangeListener() did not return an empty array");
}
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.hasListeners(null)
System.out.println("VetoableChangeSupport.hasListeners(null)");
try {
boolean result = vcs.hasListeners(null);
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.hasListeners(null): with a generic listener
System.out.println("VetoableChangeSupport.hasListeners(null) with a generic listener");
try {
vcs.addVetoableChangeListener(listener);
if (!vcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned false, but there was a generic listener");
}
}
catch (Throwable error) {
print(error);
}
vcs = new VetoableChangeSupport(args); // reset
//VetoableChangeSupport.hasListeners(null): with a specific listener
System.out.println("VetoableChangeSupport.hasListeners(null) with a specific listener");
try {
vcs.addVetoableChangeListener(NAME, listener);
if (vcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned true, but there were no generic listeners - only a specific listener");
}
}
catch (Throwable error) {
print(error);
}
if (failed) {
throw new Error("TEST FAILED");
}
}
private static void print(Throwable error) {
error.printStackTrace();
failed = true;
}
public void propertyChange(PropertyChangeEvent event) {
System.out.println("* propertyChange(event) event is " + event.getPropertyName());
throw new Error("shouldn't be any listeners");
}
public void vetoableChange(PropertyChangeEvent event) {
System.out.println("* vetoableChange(event) event is " + event.getPropertyName());
throw new Error("shouldn't be any listeners");
}
}