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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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143
test/langtools/tools/javac/EmptyDocComments.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 4160204 4234488
* @summary Create empty javadoc comments and verify that javac does not crash.
* @compile EmptyDocComments.java
*/
// WARNING: This file intentionally contains whitespace characters at the end of
// some lines. Do not delete them!
// If this file fails to compile, then the test has failed. The test does not
// need to be run.
public class EmptyDocComments
{
public static void Main(String [] args)
{
}
// Verify that empty doc comments don't cause a crash.
/**
* */
public static void emptyDocComment0()
{
System.out.println("javadoc comment");
System.out.println("- contains whitespace");
System.out.println("- ends on same line as potential comment");
}
/**
***/
public static void emptyDocComment1()
{
System.out.println("javadoc comment");
System.out.println("- contains nothing");
System.out.println("- ends on same line as potential comment");
}
/** */
public static void emptyDocComment2()
{
System.out.println("javadoc comment");
System.out.println("- contains whitespace");
System.out.println("- ends on same line as comment start");
}
/**
*
*/
public static void emptyDocComment3()
{
System.out.println("javadoc comment");
System.out.println("- contains whitespace");
System.out.println("- ends on new line ");
}
/***/
public static void emptyDocComment4()
{
System.out.println("minimal javadoc comment");
System.out.println("- contains nothing");
System.out.println("- ends on same line as comment start");
}
/**/
public static void emptyDocComment5()
{
System.out.println("minimal _java_ comment");
System.out.println("- contains nothing");
System.out.println("- ends on same line as comment start");
}
/** **** */
public static void emptyDocComment6()
{
System.out.println("javadoc comment");
System.out.println("- contains \"*\"");
System.out.println("- ends on same line as comment start");
}
// Verify that we properly handle very small, non-empty comments.
/** a */
public static void singleChar0()
{
System.out.println("javadoc comment");
System.out.println("- contains a single character");
System.out.println("- ends on same line as comment start");
}
/**
* a */
public static void singleChar1()
{
System.out.println("javadoc comment");
System.out.println("- contains a single character and trailing whitespace");
System.out.println("- ends on same line as potential comment");
}
/**
* a
*/
public static void singleChar2()
{
System.out.println("javadoc comment");
System.out.println("- contains a single character, no trailing whitespace");
System.out.println("- ends on new line ");
}
/**
a
*/
public static void singleChar3()
{
System.out.println("javadoc comment");
System.out.println("- contains a single character and trailing whitespace");
System.out.println("- ends on new line ");
}
}