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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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172
test/jdk/java/lang/Integer/ParsingTest.java Normal file
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/*
* Copyright (c) 2006, 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 5017980 6576055 8041972 8055251
* @summary Test parsing methods
*/
import java.lang.IndexOutOfBoundsException;
import java.lang.NullPointerException;
import java.lang.RuntimeException;
/**
* There are seven methods in java.lang.Integer which transform strings
* into an int or Integer value:
*
* public Integer(String s)
* public static Integer decode(String nm)
* public static int parseInt(CharSequence s, int beginIndex, int endIndex, int radix)
* public static int parseInt(String s, int radix)
* public static int parseInt(String s)
* public static Integer valueOf(String s, int radix)
* public static Integer valueOf(String s)
*
* Besides decode, all the methods and constructor call down into
* parseInt(CharSequence, int, int, int) to do the actual work. Therefore, the
* behavior of parseInt(CharSequence, int, int, int) will be tested here.
*
*/
public class ParsingTest {
public static void main(String... argv) {
check(+100, "+100");
check(-100, "-100");
check(0, "+0");
check(0, "-0");
check(0, "+00000");
check(0, "-00000");
check(0, "0");
check(1, "1");
check(9, "9");
checkFailure("");
checkFailure("\u0000");
checkFailure("\u002f");
checkFailure("+");
checkFailure("-");
checkFailure("++");
checkFailure("+-");
checkFailure("-+");
checkFailure("--");
checkFailure("++100");
checkFailure("--100");
checkFailure("+-6");
checkFailure("-+6");
checkFailure("*100");
// check offset based methods
check(0, "+00000", 0, 6, 10);
check(0, "-00000", 0, 6, 10);
check(0, "test-00000", 4, 10, 10);
check(-12345, "test-12345", 4, 10, 10);
check(12345, "xx12345yy", 2, 7, 10);
check(15, "xxFyy", 2, 3, 16);
checkNumberFormatException("", 0, 0, 10);
checkNumberFormatException("+-6", 0, 3, 10);
checkNumberFormatException("1000000", 7, 7, 10);
checkNumberFormatException("1000000", 0, 2, Character.MAX_RADIX + 1);
checkNumberFormatException("1000000", 0, 2, Character.MIN_RADIX - 1);
checkIndexOutOfBoundsException("1000000", 10, 4, 10);
checkIndexOutOfBoundsException("1000000", -1, 2, Character.MAX_RADIX + 1);
checkIndexOutOfBoundsException("1000000", -1, 2, Character.MIN_RADIX - 1);
checkIndexOutOfBoundsException("1000000", 10, 2, Character.MAX_RADIX + 1);
checkIndexOutOfBoundsException("1000000", 10, 2, Character.MIN_RADIX - 1);
checkIndexOutOfBoundsException("-1", 0, 3, 10);
checkIndexOutOfBoundsException("-1", 2, 3, 10);
checkIndexOutOfBoundsException("-1", -1, 2, 10);
checkNull(0, 1, 10);
checkNull(-1, 0, 10);
checkNull(0, 0, 10);
checkNull(0, -1, 10);
checkNull(-1, -1, -1);
}
private static void check(int expected, String val) {
int n = Integer.parseInt(val);
if (n != expected)
throw new RuntimeException("Integer.parseInt failed. String:" +
val + " Result:" + n);
}
private static void checkFailure(String val) {
int n = 0;
try {
n = Integer.parseInt(val);
System.err.println("parseInt(" + val + ") incorrectly returned " + n);
throw new RuntimeException();
} catch (NumberFormatException nfe) {
; // Expected
}
}
private static void checkNumberFormatException(String val, int start, int end, int radix) {
int n = 0;
try {
n = Integer.parseInt(val, start, end, radix);
System.err.println("parseInt(" + val + ", " + start + ", " + end + ", " + radix +
") incorrectly returned " + n);
throw new RuntimeException();
} catch (NumberFormatException nfe) {
; // Expected
}
}
private static void checkIndexOutOfBoundsException(String val, int start, int end, int radix) {
int n = 0;
try {
n = Integer.parseInt(val, start, end, radix);
System.err.println("parseInt(" + val + ", " + start + ", " + end + ", " + radix +
") incorrectly returned " + n);
throw new RuntimeException();
} catch (IndexOutOfBoundsException ioob) {
; // Expected
}
}
private static void checkNull(int start, int end, int radix) {
int n = 0;
try {
n = Integer.parseInt(null, start, end, radix);
System.err.println("parseInt(null, " + start + ", " + end + ", " + radix +
") incorrectly returned " + n);
throw new RuntimeException();
} catch (NullPointerException npe) {
; // Expected
}
}
private static void check(int expected, String val, int start, int end, int radix) {
int n = Integer.parseInt(val, start, end, radix);
if (n != expected)
throw new RuntimeException("Integer.parsedInt failed. Expected: " + expected + " String: \"" +
val + "\", start: " + start + ", end: " + end + ", radix: " + radix + " Result:" + n);
}
}