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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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89
test/jdk/java/math/BigInteger/StringConstructor.java Normal file
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/*
* Copyright (c) 2001, 2025, 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 4489146 5017980
* @summary tests String constructors of BigInteger
*/
import java.math.*;
public class StringConstructor {
public static void main(String [] argv) {
// Good strings
constructWithoutError("0", 0L);
constructWithoutError("000000000000000000", 0L);
constructWithoutError("1", 1L);
constructWithoutError("-1", -1L);
constructWithoutError("+1", +1L);
constructWithoutError( "123456789123456789", 123456789123456789L);
constructWithoutError("+123456789123456789", 123456789123456789L);
constructWithoutError("-123456789123456789", -123456789123456789L);
constructWithoutError(Integer.toString(Integer.MIN_VALUE),
(long)Integer.MIN_VALUE);
constructWithoutError(Integer.toString(Integer.MAX_VALUE),
(long)Integer.MAX_VALUE);
constructWithoutError(Long.toString(Long.MIN_VALUE),
Long.MIN_VALUE);
constructWithoutError(Long.toString(Long.MAX_VALUE),
Long.MAX_VALUE);
// Bad strings
constructWithError("");
constructWithError("-");
constructWithError("+");
constructWithError("--");
constructWithError("++");
constructWithError("-000-0");
constructWithError("+000+0");
constructWithError("+000-0");
constructWithError("--1234567890");
constructWithError("++1234567890");
constructWithError("-0-12345678");
constructWithError("+0+12345678");
constructWithError("--12345678-12345678-12345678");
constructWithError("++12345678+12345678+12345678");
constructWithError("12345-");
constructWithError("12345+");
}
// this method adapted from ../BigDecimal/StringConstructor.java
private static void constructWithError(String badString) {
try {
BigInteger bi = new BigInteger(badString);
throw new RuntimeException(badString + " accepted");
} catch(NumberFormatException e) {
}
}
private static void constructWithoutError(String goodString, long value) {
BigInteger bi = new BigInteger(goodString);
if(bi.longValue() != value) {
System.err.printf("From ``%s'' expected %d, got %s.\n", goodString, value, bi);
throw new RuntimeException();
}
}
}