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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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105
test/jdk/java/awt/FontClass/SurrogateTest/SupplementaryCanDisplayUpToTest.java Normal file
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/*
* Copyright (c) 2011, 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 6623219
* @summary Test canDisplayUpTo with supplementary characters.
*/
import java.awt.*;
import java.text.*;
public class SupplementaryCanDisplayUpToTest {
// Lists consisting of a font name, test text, and its expected
// return value. Test text uses private area code point U+F0000
// (\udb80\udc00).
private static String[][] DATA = {
// Windows
{ "Meiryo", "\ud87e\udd45\ud87e\udd47\udb80\udc00", "4" },
{ "Meiryo", "\ud87e\udd45\ud87e\udd47\udb80Z", "4" },
{ "Meiryo", "\ud87e\udd45\ud87e\udd47\udb80", "4" },
{ "Meiryo", "\ud87e\udd45\ud87e\udd47\udc00", "4" },
{ "Meiryo", "\ud87e\udd45\ud87e\udd47", "-1" },
// Linux
{ "AR PL UMing TW", "\ud87e\udc25\ud87e\udc3b\udb80\udc00", "4" },
{ "AR PL UMing TW", "\ud87e\udc25\ud87e\udc3b\udb80Z", "4" },
{ "AR PL UMing TW", "\ud87e\udc25\ud87e\udc3b\udb80", "4" },
{ "AR PL UMing TW", "\ud87e\udc25\ud87e\udc3b\udc00", "4" },
{ "AR PL UMing TW", "\ud87e\udc25\ud87e\udc3b", "-1" },
// Solaris
{ "FZMingTi", "\ud87e\udc25\ud87e\udc3b\udb80\udc00", "4" },
{ "FZMingTi", "\ud87e\udc25\ud87e\udc3b\udb80Z", "4" },
{ "FZMingTi", "\ud87e\udc25\ud87e\udc3b\udb80", "4" },
{ "FZMingTi", "\ud87e\udc25\ud87e\udc3b\udc00", "4" },
{ "FZMingTi", "\ud87e\udc25\ud87e\udc3b", "-1" },
};
private static int errorcount = 0;
public static void main(String[] args) {
for (String[] data : DATA) {
String fontname = data[0];
Font font = new Font(fontname, Font.PLAIN, 16);
if (font.getFamily().equals(Font.DIALOG)) {
// Skip any unavailable fonts.
continue;
}
System.out.printf("Testing with font '%s'... ", fontname);
int errors = 0;
String text = data[1];
int expected = Integer.parseInt(data[2]);
int result = font.canDisplayUpTo(text);
if (result != expected) {
System.err.println("canDisplayUpTo(String) returns " + result);
errors++;
}
result = font.canDisplayUpTo(text.toCharArray(), 0, text.length());
if (result != expected) {
System.err.println("canDisplayUpTo(char[], int, int) returns " + result);
errors++;
}
CharacterIterator iter = new StringCharacterIterator(text);
result = font.canDisplayUpTo(iter, iter.getBeginIndex(), iter.getEndIndex());
if (result != expected) {
System.err.println("canDisplayUpTo(CharacterIterator, int, int) returns " + result);
errors++;
}
if (errors == 0) {
System.out.println("passed");
} else {
System.out.println("failed");
errorcount += errors;
}
}
if (errorcount > 0) {
throw new RuntimeException("SupplementaryCanDisplayUpToTest: failed");
}
}
}