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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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96
test/jdk/java/lang/Byte/Decode.java Normal file
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/*
* Copyright (c) 1999, 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 4242173 5017980 6576055
* @summary Test Byte.decode method
*/
/**
* There are six methods in java.lang.Byte which transform strings
* into a byte or Byte value:
*
* public Byte(String s)
* public static Byte decode(String nm)
* public static byte parseByte(String s, int radix)
* public static byte parseByte(String s)
* public static Byte valueOf(String s, int radix)
* public static Byte valueOf(String s)
*
* However, of these only decode has a nontrivial implementation
* in that class.
*/
public class Decode {
private static void check(String val, byte expected) {
byte n = (Byte.decode(val)).byteValue();
if (n != expected)
throw new RuntimeException("Byte.decode failed. String:" +
val + " Result:" + n);
}
private static void checkFailure(String val, String message) {
try {
byte n = (Byte.decode(val)).byteValue();
throw new RuntimeException(message);
} catch (NumberFormatException e) { /* Okay */}
}
public static void main(String[] args) throws Exception {
check(new String(""+Byte.MIN_VALUE), Byte.MIN_VALUE);
check(new String(""+Byte.MAX_VALUE), Byte.MAX_VALUE);
check("10", (byte)10);
check("0x10", (byte)16);
check("0X10", (byte)16);
check("010", (byte)8);
check("#10", (byte)16);
check("+10", (byte)10);
check("+0x10", (byte)16);
check("+0X10", (byte)16);
check("+010", (byte)8);
check("+#10", (byte)16);
check("-10", (byte)-10);
check("-0x10", (byte)-16);
check("-0X10", (byte)-16);
check("-010", (byte)-8);
check("-#10", (byte)-16);
check(Integer.toString((int)Byte.MIN_VALUE), Byte.MIN_VALUE);
check(Integer.toString((int)Byte.MAX_VALUE), Byte.MAX_VALUE);
checkFailure("0x-10", "Byte.decode allows negative sign in wrong position.");
checkFailure("0x+10", "Byte.decode allows positive sign in wrong position.");
checkFailure("+", "Raw plus sign allowed.");
checkFailure("-", "Raw minus sign allowed.");
checkFailure(Integer.toString((int)Byte.MIN_VALUE - 1), "Out of range");
checkFailure(Integer.toString((int)Byte.MAX_VALUE + 1), "Out of range");
checkFailure("", "Empty String");
}
}