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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/StringTokenizer/ResetPos.java Normal file
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/*
* Copyright (c) 1999, 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 4238266 @summary Reset the currentposition of
* StringTokenizer if delimiters changed in a invocation of nextToken() after
* invoking hasMoreTokens()
*/
import java.util.StringTokenizer;
public class ResetPos {
static void checkValue(String val, String checkVal) {
System.out.println("Comparing \""+ val + "\" <----> \"" + checkVal +
"\"");
if (!val.equals(checkVal))
throw new RuntimeException("Test failed");
}
public static void main(String[] argv) {
// Simple test
StringTokenizer st1 = new StringTokenizer("ab", "b", true);
checkValue("a", st1.nextToken("b"));
st1.hasMoreTokens();
checkValue("b", st1.nextToken(""));
// Test with retDelims set to true
StringTokenizer st2 = new StringTokenizer("abcd efg", "abc", true);
st2.hasMoreTokens();
checkValue("a", st2.nextToken("bc"));
st2.hasMoreTokens();
checkValue("b", st2.nextToken());
st2.hasMoreTokens();
checkValue("cd", st2.nextToken(" ef"));
st2.hasMoreTokens();
checkValue(" ", st2.nextToken(" "));
st2.hasMoreTokens();
checkValue("ef", st2.nextToken("g"));
st2.hasMoreTokens();
checkValue("g", st2.nextToken("g"));
// Test with changing delimiters
StringTokenizer st3 = new StringTokenizer("this is,a interesting,sentence of small, words", ",");
st3.hasMoreTokens();
checkValue("this is", st3.nextToken()); // "this is"
st3.hasMoreTokens();
checkValue(",a", st3.nextToken(" ")); // ",a"
st3.hasMoreTokens();
checkValue(" interesting", st3.nextToken(",")); // " interesting"
st3.hasMoreTokens();
checkValue(",sentence", st3.nextToken(" ")); // ",sentence"
st3.hasMoreTokens();
checkValue(" of small", st3.nextToken(",")); // " of small"
st3.hasMoreTokens();
checkValue(" words", st3.nextToken()); // " words"
}
}