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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/util/TimeZone/AssureTzdataVersion.java Normal file
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/*
* Copyright (c) 2015, 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
* @bug 8060126
* @summary Make sure that the tzdata version matches between the run-time and tests.
*/
import java.time.zone.ZoneRules;
import java.time.zone.ZoneRulesProvider;
import java.util.NavigableMap;
public class AssureTzdataVersion {
public static void main(String... args) throws Exception {
// get the tzdata version for the run-time
NavigableMap<String, ZoneRules> map;
map = ZoneRulesProvider.getVersions("America/Los_Angeles");
if (map.isEmpty()) {
throw new RuntimeException("Unknown runtime tzdata version");
}
String runtime = map.lastEntry().getKey();
// get the tzdata version for regression tests
String testdata = null;
try (TextFileReader textreader = new TextFileReader("VERSION")) {
testdata = textreader.getLine().substring("tzdata".length());
}
if (!testdata.equals(runtime)) {
throw new RuntimeException("tzdata versions don't match: run-time=" + runtime
+ ", tests=" + testdata);
}
}
}