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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
commit 0a580b313d
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test/jdk/java/awt/TextComponent/TextAreaCRLFTest/TextAreaCRLFTest.java Normal file
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/*
* Copyright (c) 2002, 2023, 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 4701398 4652358 4659958 4697796 4666876
@summary REGRESSION: TextArea.append does not work consistently with \r.
@key headful
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dialog;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.TextArea;
public class TextAreaCRLFTest {
private static final char[] DIGITS = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
public static Dialog aDialog;
public static TextArea area;
public static boolean passed = true;
public static boolean res;
public static String atext = "";
public static void main(String[] args) throws Exception {
String atextCRLF = "row1\r\nrow2\r\nrow3";
try {
EventQueue.invokeAndWait(() -> {
aDialog = new Dialog(new Frame());
aDialog.setTitle("ADialog");
aDialog.setBackground(Color.lightGray);
aDialog.setLayout(new BorderLayout());
Panel mainPanel = new Panel();
mainPanel.setLayout(new BorderLayout(6, 6));
area = new TextArea(atextCRLF, 25, 68,
TextArea.SCROLLBARS_VERTICAL_ONLY);
area.setFont(new Font("Monospaced", Font.PLAIN, 11));
mainPanel.add(area, "Center");
aDialog.add(mainPanel, "Center");
aDialog.pack();
System.out.println("before: "+hexEncode(atextCRLF));
System.out.println(" after: "+hexEncode(area.getText()));
res = area.getText().equals(atextCRLF);
System.out.println("01: " + res + "\n");
passed = passed && res;
area.setText(atextCRLF);
System.out.println("before: "+hexEncode(atextCRLF));
System.out.println(" after: "+hexEncode(area.getText()));
res = area.getText().equals(atextCRLF);
System.out.println("02: " + res + "\n");
passed = passed && res;
area.setText("");
atext = "row1";
area.append(atext+"\r");
area.append(atext+"\r");
System.out.println("before: "
+hexEncode(atext+"\r" + atext+"\r"));
System.out.println(" after: "+hexEncode(area.getText()));
res = area.getText().equals(atext + atext);
System.out.println("03: " + res + "\n");
passed = passed && res;
area.setText("");
String atext1 = "fine.";
String atext2 = "messed up.";
atext = atext1 +"\r\n"+ atext2;
for (int i = 0; i < atext.length(); i++) {
area.append(atext.substring(i, i+1));
}
System.out.println("before: "
+hexEncode(atext1 +"\r\n"+ atext2));
System.out.println(" after: "+hexEncode(area.getText()));
String s = area.getText();
String t = s.substring(s.length()-atext2.length());
res = t.equals(atext2);
System.out.println("04: " + res);
passed = passed && res;
area.setText("");
atext = "\r";
area.append(atext);
System.out.println("before: "+hexEncode(atext));
System.out.println(" after: "+hexEncode(area.getText()));
res = area.getText().equals("");
System.out.println("05: " + res + "\n");
passed = passed && res;
if (System.getProperty("os.name").toUpperCase().
startsWith("WIN")) {
if (!passed) {
throw new RuntimeException("TextAreaCRLFTest FAILED.");
} else {
System.out.println("TextAreaCRLFTest PASSED");
}
} else {
System.out.println("This is a Windows oriented testcase.");
}
});
} finally {
EventQueue.invokeAndWait(() -> {
if (aDialog != null) {
aDialog.dispose();
}
});
}
}
private static String hexEncode(String str) {
return hexEncode(str.getBytes());
}
private static String hexEncode(byte[] bytes) {
StringBuffer buffer = new StringBuffer(bytes.length * 2);
for (int i = 0; i < bytes.length; i++) {
byte b = bytes[i];
buffer.append(DIGITS[(b & 0xF0) >> 4]);
buffer.append(DIGITS[b & 0x0F]);
}
return buffer.toString();
}
}