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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/OSXLigatureTest.java Normal file
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/*
* Copyright (c) 2015, 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 7162125
* @summary Test ligatures form on OS X.
*/
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.font.TextAttribute;
import java.util.HashMap;
import java.util.Map;
public class OSXLigatureTest {
public static void main(String[] args) {
if (!System.getProperty("os.name").startsWith("Mac")) {
return;
}
String ligStr = "ffi";
int w = 50, h = 50;
BufferedImage bi1 = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D bi1Graphics = bi1.createGraphics();
bi1Graphics.setColor(Color.white);
bi1Graphics.fillRect(0, 0, w, h);
bi1Graphics.setColor(Color.black);
Font noLigFont = new Font("Gill Sans", Font.PLAIN, 30);
bi1Graphics.setFont(noLigFont);
bi1Graphics.drawString(ligStr, 10, 40);
BufferedImage bi2 = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D bi2Graphics = bi2.createGraphics();
bi2Graphics.setColor(Color.white);
bi2Graphics.fillRect(0, 0, w, h);
bi2Graphics.setColor(Color.black);
Map<TextAttribute, Object> attributes = new HashMap<>();
attributes.put(TextAttribute.LIGATURES, TextAttribute.LIGATURES_ON);
Font ligFont = noLigFont.deriveFont(attributes);
bi2Graphics.setFont(ligFont);
bi2Graphics.drawString(ligStr, 10, 40);
boolean same = true;
for (int x = 0; x < w; x++) {
for (int y = 0; y < h; y++) {
int c1 = bi1.getRGB(x, y);
int c2 = bi2.getRGB(x, y);
same &= (c1 == c2);
}
if (!same) {
break;
}
}
if (same) {
throw new RuntimeException("Images do not differ - no ligature");
}
}
}