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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/awt/font/TextLayout/TestHebrewMark.java Normal file
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/*
* Copyright (c) 2007, 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 TextLayout handles Hebrew marks correctly
* @bug 6529141
*/
import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
public class TestHebrewMark {
public static void main(String args[]) {
FontRenderContext frc = new FontRenderContext(null,false,false);
final String fonts[] = { "Arial", "Arial Hebrew", "Arial Unicode" };
final char ALEF = '\u05D0'; // a letter
final char QAMATS = '\u05B8'; // a combining mark, should show up UNDER the alef (no advance)
final String string1 = "\u05DE\u05B8\u05E9\u05C1\u05B0\u05DB\u05B5\u05E0\u05B4\u05D9\u05D0\u05B7\u05D7\u05B2\u05E8\u05B6\u05D9\u05DA\u05B8\u05E0\u05BC\u05B8\u05E8\u05D5\u05BC\u05E6\u05B8\u05D4\u05D4\u05B1\u05D1\u05B4\u05D9\u05D0\u05B7\u05E0\u05B4\u05D9\u05D4\u05B7\u05DE\u05BC\u05B6\u05DC\u05B6\u05DA\u05B0\u05D7\u05B2\u05D3\u05B8\u05E8\u05B8\u05D9\u05D5\u05E0\u05B8\u05D2\u05B4\u05D9\u05DC\u05B8\u05D4\u05D5\u05B0\u05E0\u05B4\u05E9\u05C2\u05B0\u05DE\u05B0\u05D7\u05B8\u05D4\u0020\u05D1\u05BC\u05B8\u05DA\u05B0\u05E0\u05B7\u05D6\u05B0\u05DB\u05BC\u05B4\u05D9\u05E8\u05B8\u05D4\u05D3\u05B9\u05D3\u05B6\u05D9\u05DA\u05B8\u05DE\u05B4\u05D9\u05BC\u05B7\u05D9\u05B4\u05DF\u05DE\u05B5\u05D9\u05E9\u05C1\u05B8\u05E8\u05B4\u05D9\u05DD\u05D0\u05B2\u05D4\u05B5\u05D1\u05D5\u05BC\u05DA\u05B8";
final String string2 = string1.replaceAll("\u05B8", ""); // remove qamats
int string1len = string1.length();
int string2len = string2.length();
System.out.println("String1 has " + string1len+" chars, and string2 (without the QAMATS) has " + string2.length());
if(string1len == string2len) {
throw new RuntimeException("Hey, string1 and string2 are both " + string1len + " chars long - shouldn't happen.");
}
Font f = null;
// try to find a font that will work
for(String fontname : fonts ) {
System.err.println("trying: " +fontname);
Font afont = new Font(fontname,Font.PLAIN,18);
if(!afont.getFontName().equals(fontname)) {
System.out.println(fontname + ": is actually " + afont.getFontName() + " - skipping this font.");
continue;
}
if(!afont.canDisplay(ALEF) || !afont.canDisplay(QAMATS)) {
System.out.println(fontname + ": can't display ALEF or QAMATS - skipping this font");
continue;
}
f = afont;
System.err.println("Might be OK: " + fontname);
System.out.println("Using font " + f.getFontName());
TextLayout tl = new TextLayout(string1, f, frc);
TextLayout tl2 = new TextLayout(string2, f, frc);
Rectangle2D tlBounds = tl.getBounds();
Rectangle2D tlBounds2 = tl2.getBounds();
System.out.println("tlbounds="+tlBounds);
System.out.println("tl.getAdvance()="+tl.getAdvance());
System.out.println("tl2bounds="+tlBounds2);
System.out.println("tl2.getAdvance()="+tl2.getAdvance());
if(tl.getAdvance() != tl2.getAdvance()) {
throw new RuntimeException("Advance of string with and without QAMATS differs: " + tl.getAdvance() + " vs. " + tl2.getAdvance());
} else {
System.out.println("6529141 OK, widths are same.");
}
}
// print a notice if none of them worked.
if(f == null) {
System.out.println("Could not find a suitable font - skipping this test.");
return;
}
}
}