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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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59
test/jdk/java/lang/Character/UnicodeBlock/NumberEntities.java Normal file
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/*
* Copyright (c) 2015, 2026, 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 8080535 8191410 8215194 8221431 8239383 8268081 8283465 8284856
* @summary Check if the NUM_ENTITIES field reflects the correct number
* of Character.UnicodeBlock constants. Also checks the size of
* Character.UnicodeScript's "aliases" map.
* @modules java.base/java.lang:open
* @run junit NumberEntities
*/
import java.lang.reflect.Field;
import java.util.Map;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class NumberEntities {
@Test
public void test_UnicodeBlock_NumberEntities() throws Throwable {
// The number of entries in Character.UnicodeBlock.map.
// See src/java.base/share/classes/java/lang/Character.java
Field n = Character.UnicodeBlock.class.getDeclaredField("NUM_ENTITIES");
Field m = Character.UnicodeBlock.class.getDeclaredField("map");
n.setAccessible(true);
m.setAccessible(true);
assertEquals(n.getInt(null), ((Map)m.get(null)).size());
}
@Test
public void test_UnicodeScript_aliases() throws Throwable {
// The number of entries in Character.UnicodeScript.aliases.
// See src/java.base/share/classes/java/lang/Character.java
Field aliases = Character.UnicodeScript.class.getDeclaredField("aliases");
aliases.setAccessible(true);
assertEquals(Character.UnicodeScript.UNKNOWN.ordinal() + 1, ((Map)aliases.get(null)).size());
}
}