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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/text/Format/DateFormat/Bug4396385.java Normal file
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/*
* Copyright (c) 2010, 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 4396385
* @summary Make sure to detect invalid values for 1-based hour formats.
*/
import java.text.*;
import java.util.*;
public class Bug4396385 {
private static int errorCount = 0;
private static String[][] data = {
{ "hh:mma", "-1:30AM" },
{ "hh:mma", "00:30AM" },
{ "hh:mma", "13:30AM" },
{ "kk:mm", "-1:12" },
{ "kk:mm", "00:12" },
{ "kk:mm", "25:12" },
};
public static void main(String[] args) {
TimeZone tz = TimeZone.getDefault();
// Use "GMT" to avoid any surprises related to offset
// transitions.
TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
try {
for (String[] item : data) {
test(item[0], item[1]);
}
} finally {
// Restore the default time zone
TimeZone.setDefault(tz);
}
if (errorCount > 0) {
throw new RuntimeException("Failed with " + errorCount + " error(s).");
}
}
private static void test(String pattern, String src) {
SimpleDateFormat sdf = new SimpleDateFormat(pattern, Locale.US);
sdf.setLenient(false);
ParsePosition pos = new ParsePosition(0);
System.out.printf("parse: \"%s\" with \"%s\"", src, pattern);
Date date = sdf.parse(src, pos);
System.out.printf(": date = %s, errorIndex = %d", date, pos.getErrorIndex());
if (date != null || pos.getErrorIndex() == -1) {
System.out.println(": failed");
errorCount++;
} else {
System.out.println(": passed");
}
}
}