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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/Locale/UserRegionTest.java Normal file
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/*
* Copyright (c) 2024, 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 8342582
* @summary Test if "user.region" system property successfully overrides
* other locale related system properties at startup
* @modules jdk.localedata
* @run junit/othervm
* -Duser.region=DE
* -Duser.language=en
* -Duser.script=Latn
* -Duser.country=US
* -Duser.variant=FOO UserRegionTest
* @run junit/othervm
* -Duser.region=DE_POSIX
* -Duser.language=en
* -Duser.script=Latn
* -Duser.country=US
* -Duser.variant=FOO UserRegionTest
* @run junit/othervm
* -Duser.region=_POSIX
* -Duser.language=en
* -Duser.script=Latn
* -Duser.country=US
* -Duser.variant=FOO UserRegionTest
*/
import java.util.Locale;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class UserRegionTest {
@Test
public void testDefaultLocale() {
var region = System.getProperty("user.region").split("_");
var expected = Locale.of(System.getProperty("user.language"),
region[0], region.length > 1 ? region[1] : "");
assertEquals(expected, Locale.getDefault());
assertEquals(expected, Locale.getDefault(Locale.Category.FORMAT));
assertEquals(expected, Locale.getDefault(Locale.Category.DISPLAY));
}
@Test
public void testNumberFormat() {
if (System.getProperty("user.region").startsWith("DE")) {
assertEquals("0,50000", String.format("%.5f", 0.5f));
} else {
assertEquals("0.50000", String.format("%.5f", 0.5f));
}
}
}