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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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118
test/jdk/java/awt/font/TextLayout/StyledFontLayoutTest.java Normal file
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/*
* Copyright (c) 2016, 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 8139176
* @summary Test layout uses correct styled font.
* @run main StyledFontLayoutTest
*/
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
public class StyledFontLayoutTest extends JPanel {
static final int W=600, H=400;
static boolean interactive;
static BufferedImage im;
public static void main(String[] args) {
interactive = args.length > 0;
runTest();
if (!interactive) {
return;
}
SwingUtilities.invokeLater(() -> {
JFrame frame = new JFrame("Styled Font Layout Test");
frame.add(new StyledFontLayoutTest());
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setSize(W, H);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
}
@Override
protected void paintComponent(Graphics g) {
g.drawImage(im, 0, 0, null);
}
private static void runTest() {
im = new BufferedImage(W, H, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = im.createGraphics();
g2d.setColor(Color.white);
g2d.fillRect(0, 0, W, H);
g2d.setColor(Color.black);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
char[] chs = "Sample Text.".toCharArray();
int len = chs.length;
int x = 50, y = 100;
FontRenderContext frc = g2d.getFontRenderContext();
Font plain = new Font("Serif", Font.PLAIN, 48);
GlyphVector pgv = plain.layoutGlyphVector(frc, chs, 0, len, 0);
g2d.setFont(plain);
g2d.drawChars(chs, 0, len, x, y); y +=50;
g2d.drawGlyphVector(pgv, x, y); y += 50;
Rectangle2D plainStrBounds = plain.getStringBounds(chs, 0, len, frc);
Rectangle2D plainGVBounds = pgv.getLogicalBounds();
Font bold = new Font("Serif", Font.BOLD, 48);
GlyphVector bgv = bold.layoutGlyphVector(frc, chs, 0, len, 0);
Rectangle2D boldStrBounds = bold.getStringBounds(chs, 0, len, frc);
Rectangle2D boldGVBounds = bgv.getLogicalBounds();
g2d.setFont(bold);
g2d.drawChars(chs, 0, len, x, y); y +=50;
g2d.drawGlyphVector(bgv, x, y);
System.out.println("Plain String Bounds = " + plainStrBounds);
System.out.println("Bold String Bounds = " + boldStrBounds);
System.out.println("Plain GlyphVector Bounds = " + plainGVBounds);
System.out.println("Bold GlyphVector Bounds = " + boldGVBounds);
if (!plainStrBounds.equals(boldStrBounds) &&
plainGVBounds.equals(boldGVBounds))
{
System.out.println("Test failed: Plain GV bounds same as Bold");
if (!interactive) {
throw new RuntimeException("Plain GV bounds same as Bold");
}
}
};
}