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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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test/jdk/java/util/ResourceBundle/Test4314141.java Normal file
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/*
* Copyright (c) 2007, 2022, 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 Verify a few assertions of the new specification of ResourceBundle.getBundle
@build Test4314141B Test4314141B_fr_CH Test4314141B_es_ES
@run main Test4314141
@bug 4314141
*/
import java.util.ResourceBundle;
import java.util.Locale;
import java.util.MissingResourceException;
public class Test4314141 {
public static void main(String[] args) {
Locale reservedLocale = Locale.getDefault();
try {
testCandidateOmission();
testExample();
} finally {
// restore the reserved locale
Locale.setDefault(reservedLocale);
}
}
/**
* Tests that candidate bundle names where the final component is an empty string are omitted.
* Previous versions of ResourceBundle might attempt to load bundles with a trailing
* underscore (e.g., "Test4314141_") resulting from concatenation with an empty string.
* This is no longer permitted.
*/
static void testCandidateOmission() {
Locale.setDefault(Locale.US);
doTestCandidateOmission("de", "DE", "EURO", new String[] {"_de", ""});
doTestCandidateOmission("de", "DE", "", new String[] {"_de", ""});
doTestCandidateOmission("de", "", "EURO", new String[] {"_de", ""});
doTestCandidateOmission("de", "", "", new String[] {"_de", ""});
doTestCandidateOmission("", "DE", "EURO", new String[] {"__DE", ""});
doTestCandidateOmission("", "DE", "", new String[] {"__DE", ""});
doTestCandidateOmission("", "", "EURO", new String[] {"___EURO", ""});
doTestCandidateOmission("", "", "", new String[] {""});
}
static void doTestCandidateOmission(String language, String country, String variant,
String[] expectedSuffixes) {
doTest("Test4314141A", language, country, variant, expectedSuffixes);
}
/**
* Verifies the example from the getBundle specification.
*/
static void testExample() {
Locale.setDefault(Locale.of("en", "UK"));
doTestExample("fr", "CH", new String[] {"_fr_CH.class", "_fr.properties", ".class"});
doTestExample("fr", "FR", new String[] {"_fr.properties", ".class"});
doTestExample("de", "DE", new String[] {"_en.properties", ".class"});
doTestExample("en", "US", new String[] {"_en.properties", ".class"});
doTestExample("es", "ES", new String[] {"_es_ES.class", ".class"});
}
static void doTestExample(String language, String country, String[] expectedSuffixes) {
doTest("Test4314141B", language, country, "", expectedSuffixes);
}
static void doTest(String baseName, String language, String country, String variant,
String[] expectedSuffixes) {
System.out.print("Looking for " + baseName + " \"" + language + "\", \"" + country + "\", \"" + variant + "\"");
ResourceBundle bundle = ResourceBundle.getBundle(baseName, Locale.of(language, country, variant));
System.out.print(" => got ");
String previousName = null;
int nameCount = 0;
for (int i = 3; i >= 0; i--) {
String name = bundle.getString("name" + i);
if (!name.equals(previousName)) {
if (previousName != null) {
System.out.print(", ");
}
System.out.print(name);
if (!name.equals(baseName + expectedSuffixes[nameCount++])) {
System.out.println();
throw new RuntimeException("Error: got unexpected resource bundle");
}
previousName = name;
}
}
System.out.println();
if (nameCount != expectedSuffixes.length) {
throw new RuntimeException("Error: parent chain too short");
}
}
}