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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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165
test/jdk/javax/management/ObjectInstance/ObjectInstanceNullTest.java Normal file
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/*
* Copyright (c) 2004, 2015, 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 5015663
* @summary Test ObjectInstance(name,null).hashCode() and .equals()
* @author Daniel Fuchs
*
* @run clean ObjectInstanceNullTest
* @run build ObjectInstanceNullTest
* @run main ObjectInstanceNullTest
*/
import javax.management.*;
public class ObjectInstanceNullTest {
public static void testEquals(ObjectInstance n1, ObjectInstance n2) {
try {
if (!n1.equals(n2) || !n2.equals(n1)) {
System.err.println("Equals yields false for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]");
System.exit(1);
}
} catch (Exception x) {
System.err.println("Equals failed for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]: " + x);
x.printStackTrace();
System.exit(2);
}
try {
if (n1.hashCode() != n2.hashCode()) {
System.err.println("Different hashCode() for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]");
System.exit(3);
}
} catch (Exception x) {
System.err.println("Hashcode failed for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]: " + x);
x.printStackTrace();
System.exit(4);
}
}
public static void testNotEquals(ObjectInstance n1, ObjectInstance n2) {
try {
if (n1.equals(n2) || n2.equals(n1)) {
System.err.println("Equals yields true for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]");
System.exit(5);
}
} catch (Exception x) {
System.err.println("!Equals failed for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]: " + x);
x.printStackTrace();
System.exit(6);
}
try {
if (n1.hashCode() == n2.hashCode()) {
System.out.println("Warning: Same hashCode() for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]");
}
} catch (Exception x) {
System.err.println("Hashcode failed for: "+
"["+n1.getObjectName()+" , "+
n1.getClassName()+"] ["+
n2.getObjectName()+" , "+
n2.getClassName()+"]: " + x);
x.printStackTrace();
System.exit(7);
}
}
public static void main(String[] args) throws Exception {
System.out.println("Test ObjectInstance(name,null).equals() and " +
"ObjectInstance(name,null).hashCode()");
try {
ObjectName toto1 = new ObjectName("Toto:foo=bar");
ObjectName toto2 = new ObjectName("Toto:bar=foo");
ObjectName clone1 = new ObjectName("Toto:bar=foo,cloned=yes");
ObjectName clone2 = new ObjectName("Toto:cloned=yes,bar=foo");
ObjectInstance n1 = new ObjectInstance(toto1,null);
ObjectInstance n2 = new ObjectInstance(toto1,null);
testEquals(n1,n1);
testEquals(n1,n2);
ObjectInstance n3 = new ObjectInstance(toto1,"Object");
ObjectInstance n4 = new ObjectInstance(toto1,"Object");
testEquals(n3,n3);
testEquals(n3,n4);
testNotEquals(n1,n3);
ObjectInstance n5 = new ObjectInstance(toto2,null);
ObjectInstance n6 = new ObjectInstance(toto2,"Object");
testEquals(n5,n5);
testEquals(n6,n6);
testNotEquals(n5,n1);
testNotEquals(n5,n3);
testNotEquals(n6,n1);
testNotEquals(n6,n3);
testNotEquals(n5,n6);
ObjectInstance n7 = new ObjectInstance(clone1,null);
ObjectInstance n8 = new ObjectInstance(clone2,null);
testEquals(n7,n8);
testNotEquals(n7,n1);
testNotEquals(n7,n5);
ObjectInstance n9 = new ObjectInstance(clone1,"Object");
ObjectInstance n10 = new ObjectInstance(clone2,"Object");
testEquals(n9,n10);
testNotEquals(n9,n1);
testNotEquals(n9,n5);
testNotEquals(n9,n7);
testNotEquals(n9,n8);
testNotEquals(n10,n1);
testNotEquals(n10,n5);
testNotEquals(n10,n7);
testNotEquals(n10,n8);
} catch( Exception x) {
System.err.println("Unexpected exception: " + x);
x.printStackTrace();
System.exit(8);
}
}
}