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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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73
test/jdk/java/lang/Character/Bug4404588.java Normal file
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/*
* Copyright (c) 2018, 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
* @summary The characters FFFE and FFFF should not be in a UnicodeBlock. They
* should be in a null block.
* @bug 4404588
* @author John O'Conner
*/
public class Bug4404588 {
public Bug4404588() {
// do nothing
}
public static void main(String[] args) {
Bug4404588 test = new Bug4404588();
test.run();
}
/**
* Test the correct data against what Character reports.
*/
void run() {
Character ch;
Character.UnicodeBlock block;
for(int x=0; x < charData.length; x++) {
ch = (Character)charData[x][0];
block = (Character.UnicodeBlock)charData[x][1];
if (Character.UnicodeBlock.of(ch.charValue()) != block) {
System.err.println("Error: block = " + block);
System.err.println("Character.UnicodeBlock.of(" +
Integer.toHexString(ch.charValue()) +") = " +
Character.UnicodeBlock.of(ch.charValue()));
throw new RuntimeException("Blocks aren't equal.");
}
}
System.out.println("Passed.");
}
/**
* Contains the character data to test. The first object is the character.
* The next object is the UnicodeBlock to which it should belong.
*/
Object[][] charData = {
{ new Character('\uFFFE'), Character.UnicodeBlock.SPECIALS },
{ new Character('\uFFFF'), Character.UnicodeBlock.SPECIALS },
};
}