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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/awt/font/TextLayout/DiacriticsDrawingTest.java Normal file
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/*
* Copyright 2017 JetBrains s.r.o.
* 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 8170552
* @summary verify enabling text layout for complex text on macOS
* @requires os.family == "mac"
*/
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
public class DiacriticsDrawingTest {
private static final Font FONT = new Font("Menlo", Font.PLAIN, 12);
private static final int IMAGE_WIDTH = 20;
private static final int IMAGE_HEIGHT = 20;
private static final int TEXT_X = 5;
private static final int TEXT_Y = 15;
public static void main(String[] args) {
BufferedImage composed = drawString("\u00e1"); // latin small letter a with acute
BufferedImage decomposed = drawString("a\u0301"); // same letter in decomposed form
if (!imagesAreEqual(composed, decomposed)) {
throw new RuntimeException("Text rendering is supposed to be the same");
}
}
private static BufferedImage drawString(String text) {
BufferedImage image = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
Graphics g = image.createGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT);
g.setColor(Color.black);
g.setFont(FONT);
g.drawString(text, TEXT_X, TEXT_Y);
g.dispose();
return image;
}
private static boolean imagesAreEqual(BufferedImage i1, BufferedImage i2) {
if (i1.getWidth() != i2.getWidth() || i1.getHeight() != i2.getHeight()) return false;
for (int i = 0; i < i1.getWidth(); i++) {
for (int j = 0; j < i1.getHeight(); j++) {
if (i1.getRGB(i, j) != i2.getRGB(i, j)) {
return false;
}
}
}
return true;
}
}