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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/io/charStreams/UTF8.java Normal file
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/*
* Copyright (c) 1997, 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 4059684
@summary Simple heartbeat test of the UTF8 byte->char converter
*/
import java.io.*;
public class UTF8 {
static String test
= "This is a simple\ntest of the UTF8\r\nbyte-to-char and char-to-byte\nconverters.";
public static void main(String[] args) throws IOException {
ByteArrayOutputStream bo = new ByteArrayOutputStream();
Writer out = new OutputStreamWriter(bo, "UTF8");
out.write(test);
out.close();
Reader in
= new InputStreamReader(new ByteArrayInputStream(bo.toByteArray()),
"UTF8");
StringBuffer sb = new StringBuffer();
char buf[] = new char[1000];
int n;
while ((n = in.read(buf, 0, buf.length)) >= 0) {
sb.append(buf, 0, n);
System.err.println(n);
}
if (! sb.toString().equals(test)) {
System.err.println("In: [" + test + "]");
System.err.println("Out: [" + sb.toString() + "]");
throw new RuntimeException("Output does not match input");
}
}
}