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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/font/TextLayout/ArabicDiacriticTest.java Normal file
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/*
* Copyright (c) 2016, 2020, 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
* @summary verify Arab Diacritic Positioning
* @bug 8168759 8248352
*/
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.util.Locale;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
public class ArabicDiacriticTest {
static final String SAMPLE =
"\u0627\u0644\u0639\u064e\u0631\u064e\u0628\u0650\u064a\u064e\u0651\u0629";
static final String STR1 = "\u0644\u0639\u064e\u0629";
static final String STR2 = "\u0644\u0639\u0629";
static final String FONT = "DejaVu Sans";
public static void main(String[] args) throws Exception {
if ((args.length > 0) && (args[0].equals("-show"))) {
showText(); // for a human
}
measureText(); // for the test harness
}
static void showText() {
SwingUtilities.invokeLater(() -> {
JFrame frame = new JFrame();
JLabel label = new JLabel(SAMPLE);
Font font = new Font(FONT, Font.PLAIN, 36);
label.setFont(font);
frame.setLayout(new GridLayout(3,1));
frame.add(label);
label = new JLabel(STR1);
label.setFont(font);
frame.add(label);
label = new JLabel(STR2);
label.setFont(font);
frame.add(label);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
}
static void measureText() {
Font font = new Font(FONT, Font.PLAIN, 36);
if (!font.getFamily(Locale.ENGLISH).equals(FONT)) {
return;
}
FontRenderContext frc = new FontRenderContext(null, false, false);
TextLayout tl1 = new TextLayout(STR1, font, frc);
TextLayout tl2 = new TextLayout(STR2, font, frc);
Rectangle r1 = tl1.getPixelBounds(frc, 0f, 0f);
Rectangle r2 = tl2.getPixelBounds(frc, 0f, 0f);
if (r1.height > r2.height) {
System.out.println(font);
System.out.println(r1);
System.out.println(r2);
throw new RuntimeException("BAD BOUNDS");
}
}
}