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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/Formatter/FormatLocale.java Normal file
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/*
* Copyright (c) 2016, 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 8146156 8159548 8060094
* @modules jdk.localedata
* @summary test whether uppercasing follows Locale.Category.FORMAT locale.
* Also test whether the uppercasing uses the locale specified to the
* Formatter API.
*
* @run main/othervm FormatLocale
*/
import java.time.LocalDate;
import java.time.ZonedDateTime;
import java.time.ZoneId;
import java.time.Month;
import java.util.Calendar;
import java.util.Formatter;
import java.util.GregorianCalendar;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;
import java.util.stream.IntStream;
public class FormatLocale {
static final Locale TURKISH = Locale.of("tr");
static final List<String> conversions = List.of(
"%S",
"%S",
"%TB",
"%G",
"%C");
static final List<Object> src = List.of(
"Turkish",
"Turkish",
LocalDate.of(2016, Month.APRIL, 1),
Float.valueOf(100_000_000),
'i');
static final List<Locale> defaultLocale = List.of(
Locale.ENGLISH,
TURKISH,
TURKISH,
Locale.FRANCE,
TURKISH);
static final List<Locale> formatLocale = List.of(
TURKISH,
Locale.ENGLISH,
Locale.FRANCE,
Locale.ENGLISH,
Locale.ENGLISH);
static final List<String> expectedWithDefaultLocale = List.of(
"TURKISH",
"TURK\u0130SH",
"N\u0130SAN",
"1,00000E+08",
"\u0130");
static final List<String> expectedWithFormatLocale = List.of(
"TURK\u0130SH",
"TURKISH",
"AVRIL",
"1.00000E+08",
"I");
static void formatLocaleTest() {
StringBuilder sb = new StringBuilder();
// checks whether upper casing follows Locale.Category.FORMAT locale
IntStream.range(0, src.size()).forEach(i -> {
sb.setLength(0);
Locale.setDefault(Locale.Category.FORMAT, defaultLocale.get(i));
new Formatter(sb).format(conversions.get(i), src.get(i));
if (!sb.toString().equals(expectedWithDefaultLocale.get(i))) {
throw new RuntimeException(
"Wrong uppercasing while using Formatter.format(" +
"\"" + conversions.get(i) + "\"" +
") with the default locale: '"
+ defaultLocale.get(i) +
"'. Expected: " + expectedWithDefaultLocale.get(i) +
" Returned: " + sb.toString());
}
});
// checks whether upper casing uses the locale set during creation of
// Formatter instance, instead of the default locale
IntStream.range(0, src.size()).forEach(i -> {
sb.setLength(0);
Locale.setDefault(Locale.Category.FORMAT, defaultLocale.get(i));
new Formatter(sb, formatLocale.get(i)).format(conversions.get(i),
src.get(i));
if (!sb.toString().equals(expectedWithFormatLocale.get(i))) {
throw new RuntimeException(
"Wrong uppercasing while using Formatter.format(" +
"\"" + conversions.get(i) + "\"" +
") with the locale specified during instance" +
" creation: '" + formatLocale.get(i) +
"'. Expected: " + expectedWithFormatLocale.get(i) +
" Returned: " + sb.toString());
}
});
}
static void nullLocaleTest() {
String fmt = "%1$ta %1$tA %1$th %1$tB %1tZ";
String expected = "Fri Friday Jan January PST";
StringBuilder sb = new StringBuilder();
Locale orig = Locale.getDefault();
try {
Locale.setDefault(Locale.JAPAN);
Formatter f = new Formatter(sb, (Locale)null);
ZoneId zid = ZoneId.of("America/Los_Angeles");
Calendar c = new GregorianCalendar(TimeZone.getTimeZone(zid), Locale.US);
c.set(2016, 0, 1, 0, 0, 0);
f.format(fmt, c);
if (!sb.toString().equals(expected)) {
throw new RuntimeException(
"Localized text returned with null locale.\n" +
" expected: " + expected + "\n" +
" returned: " + sb.toString());
}
sb.setLength(0);
ZonedDateTime zdt = ZonedDateTime.of(2016, 1, 1, 0, 0, 0, 0, zid);
f.format(fmt, zdt);
if (!sb.toString().equals(expected)) {
throw new RuntimeException(
"Localized text returned with null locale.\n" +
" expected: " + expected + "\n" +
" returned: " + sb.toString());
}
} finally {
Locale.setDefault(orig);
}
}
public static void main(String [] args) {
formatLocaleTest();
nullLocaleTest();
}
}