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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
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test/jdk/java/lang/String/CaseInsensitiveComparator.java Normal file
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/*
* Copyright (c) 2011, 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.
*/
/*
* This test tests that the String.CaseInsensitiveComparator.readResolve method
* deserializes String.CASE_INSENSITIVE_ORDER into an object which satisfies the
* equals method.
*
* @test
* @bug 5035850
* @summary Test for String.CaseInsensitiveComparator.readResolve
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class CaseInsensitiveComparator {
public static void main(String[] args) throws Exception {
Object result;
try (ByteArrayOutputStream outBuffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(outBuffer))
{
out.writeObject(String.CASE_INSENSITIVE_ORDER);
out.close();
try (ByteArrayInputStream inBuffer = new ByteArrayInputStream(outBuffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(inBuffer))
{
result = in.readObject();
}
}
if (!String.CASE_INSENSITIVE_ORDER.equals(result)) {
throw new Exception("Value restored from serial form does not equal original!");
}
if (!result.equals(String.CASE_INSENSITIVE_ORDER)) {
throw new Exception("Value restored from serial form does not equal original!");
}
if (String.CASE_INSENSITIVE_ORDER != result) {
throw new Exception("Value restored from serial form does not equal original!");
}
}
}