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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/ChoiceFormat/Bug4387255.java Normal file
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/*
* Copyright (c) 1997, 2023, 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 4387255
* @summary Verifies that ChoiceFormat can handle large numbers of choices
* (previously capped at 30).
* @run junit Bug4387255
*/
import java.text.ChoiceFormat;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.params.provider.Arguments.arguments;
public class Bug4387255 {
private static final double[] doubles = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33, 34, 35};
private static final String[] strings = {
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
"K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
"U", "V", "W", "X", "Y", "Z"};
private static final String pattern =
"0#0|1#1|2#2|3#3|4#4|5#5|6#6|7#7|8#8|9#9" +
"|10#A|11#B|12#C|13#D|14#E|15#F|16#G|17#H|18#I|19#J" +
"|20#K|21#L|22#M|23#N|24#O|25#P|26#Q|27#R|28#S|29#T" +
"|30#U|31#V|32#W|33#X|34#Y|35#Z";
private static final ChoiceFormat choiceFormat1 = new ChoiceFormat(doubles, strings);
private static final ChoiceFormat choiceFormat2 = new ChoiceFormat(pattern);
// Ensure that both the large ChoiceFormats format each value properly
@ParameterizedTest
@MethodSource
public void largeChoicesTest(double db, String expectedString) {
String result = choiceFormat2.format(db);
assertEquals(expectedString, result,
"Wrong format result with: " + choiceFormat2);
}
/*
* Create arguments in form of : (double, string)
* Each string is the expected result of ChoiceFormat.format(double)
*/
private static Arguments[] largeChoicesTest() {
Arguments[] doublesAndStrings = new Arguments[doubles.length];
for (int i = 0; i < doubles.length; i++) {
doublesAndStrings[i] = arguments(doubles[i], strings[i]);
}
return doublesAndStrings;
}
/*
* Check that creating a ChoiceFormat with limits and formats arrays
* equivalent to a string pattern are equal. (Checks that both constructors
* allow for a large number of choices and formats)
*/
@Test
public void patternEqualsArraysTest() {
assertEquals(choiceFormat1, choiceFormat2, "Pattern is equivalent to " +
"formats and limits, but ChoiceFormats are not equal");
}
}