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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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144
test/jdk/java/lang/Character/CheckProp.java Normal file
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/*
* Copyright (c) 2011, 2019, 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 7037261 7070436 7198195 8032446 8072600 8221431 8229831
* @summary Check j.l.Character.isLowerCase/isUppercase/isAlphabetic/isIdeographic/
* isUnicodeIdentifierStart/isUnicodeIdentifierPart
* @library /lib/testlibrary/java/lang
*/
import java.util.regex.*;
import java.util.*;
import java.io.*;
import static java.lang.Character.*;
public class CheckProp {
public static void main(String[] args) {
Map<String, List<Integer>> propMap = new LinkedHashMap<>();
List.of(UCDFiles.PROP_LIST.toFile(), UCDFiles.DERIVED_PROPS.toFile()).stream()
.forEach(f -> readPropMap(propMap, f));
Integer[] otherLowercase = propMap.get("Other_Lowercase").toArray(new Integer[0]);
Integer[] otherUppercase = propMap.get("Other_Uppercase").toArray(new Integer[0]);
Integer[] otherAlphabetic = propMap.get("Other_Alphabetic").toArray(new Integer[0]);
Integer[] ideographic = propMap.get("Ideographic").toArray(new Integer[0]);
Integer[] IDStart = propMap.get("ID_Start").toArray(new Integer[0]);
Integer[] IDContinue = propMap.get("ID_Continue").toArray(new Integer[0]);
int fails = 0;
for (int cp = MIN_CODE_POINT; cp < MAX_CODE_POINT; cp++) {
int type = getType(cp);
if (isLowerCase(cp) !=
(type == LOWERCASE_LETTER ||
Arrays.binarySearch(otherLowercase, cp) >= 0))
{
fails++;
System.err.printf("Wrong isLowerCase(U+%04x)\n", cp);
}
if (isUpperCase(cp) !=
(type == UPPERCASE_LETTER ||
Arrays.binarySearch(otherUppercase, cp) >= 0))
{
fails++;
System.err.printf("Wrong isUpperCase(U+%04x)\n", cp);
}
if (isAlphabetic(cp) !=
(type == UPPERCASE_LETTER || type == LOWERCASE_LETTER ||
type == TITLECASE_LETTER || type == MODIFIER_LETTER ||
type == OTHER_LETTER || type == OTHER_LETTER ||
type == LETTER_NUMBER ||
Arrays.binarySearch(otherAlphabetic, cp) >=0))
{
fails++;
System.err.printf("Wrong isAlphabetic(U+%04x)\n", cp);
}
if (isIdeographic(cp) !=
(Arrays.binarySearch(ideographic, cp) >= 0))
{
fails++;
System.err.printf("Wrong isIdeographic(U+%04x)\n", cp);
}
if (isUnicodeIdentifierStart(cp) !=
(cp == 0x2E2F ||
Arrays.binarySearch(IDStart, cp) >= 0))
{
fails++;
System.err.printf("Wrong isUnicodeIdentifierStart(U+%04x)\n", cp);
}
if (isUnicodeIdentifierPart(cp) !=
(isIdentifierIgnorable(cp) ||
cp == 0x2E2F ||
Arrays.binarySearch(IDContinue, cp) >= 0))
{
fails++;
System.err.printf("Wrong isUnicodeIdentifierPart(U+%04x)\n", cp);
}
}
if (fails != 0)
throw new RuntimeException("CheckProp failed=" + fails);
}
private static void readPropMap(Map<String, List<Integer>> propMap, File fPropList) {
try {
BufferedReader sbfr = new BufferedReader(new FileReader(fPropList));
Matcher m = Pattern.compile("(\\p{XDigit}+)(?:\\.{2}(\\p{XDigit}+))?\\s*;\\s+(\\w+)\\s+#.*").matcher("");
String line = null;
int lineNo = 0;
while ((line = sbfr.readLine()) != null) {
lineNo++;
if (line.length() <= 1 || line.charAt(0) == '#') {
continue;
}
m.reset(line);
if (m.matches()) {
int start = Integer.parseInt(m.group(1), 16);
int end = (m.group(2)==null)?start
:Integer.parseInt(m.group(2), 16);
String name = m.group(3);
List<Integer> list = propMap.get(name);
if (list == null) {
list = new ArrayList<Integer>();
propMap.put(name, list);
}
while (start <= end)
list.add(start++);
} else {
System.out.printf("Warning: Unrecognized line %d <%s>%n", lineNo, line);
}
}
sbfr.close();
} catch (IOException ioe) {
throw new UncheckedIOException(ioe);
}
//for (String name: propMap.keySet()) {
// System.out.printf("%s %d%n", name, propMap.get(name).size());
//}
}
}