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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/lang/reflect/Field/4490864/StaticFieldTest.java Normal file
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/*
* Copyright (c) 2001, 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 4490864
@summary Verify reflective static field accesses (sanity check)
@author Kenneth Russell
*/
import java.lang.reflect.*;
public class StaticFieldTest {
private static byte byteField;
private static short shortField;
private static char charField;
private static int intField;
private static long longField;
private static float floatField;
private static double doubleField;
private static String stringField;
private static Field getAccessibleField(String name) throws NoSuchFieldException {
Field f = StaticFieldTest.class.getDeclaredField(name);
f.setAccessible(true);
return f;
}
public static void main(String[] args) throws Exception {
Field byteField = getAccessibleField("byteField");
Field shortField = getAccessibleField("shortField");
Field charField = getAccessibleField("charField");
Field intField = getAccessibleField("intField");
Field longField = getAccessibleField("longField");
Field floatField = getAccessibleField("floatField");
Field doubleField = getAccessibleField("doubleField");
Field stringField = getAccessibleField("stringField");
byteField.setByte (null, (byte) 77);
shortField.setShort (null, (short) 77);
charField.setChar (null, (char) 77);
intField.setInt (null, (int) 77);
longField.setLong (null, (long) 77);
floatField.setFloat (null, (float) 77);
doubleField.setDouble(null, (double) 77);
String myString = "Hello, world";
stringField.set (null, myString);
if (byteField.getByte(null) != 77) throw new RuntimeException("Test failed");
if (shortField.getShort(null) != 77) throw new RuntimeException("Test failed");
if (charField.getChar(null) != 77) throw new RuntimeException("Test failed");
if (intField.getInt(null) != 77) throw new RuntimeException("Test failed");
if (longField.getLong(null) != 77) throw new RuntimeException("Test failed");
if (floatField.getFloat(null) != 77) throw new RuntimeException("Test failed");
if (doubleField.getDouble(null) != 77) throw new RuntimeException("Test failed");
if (stringField.get(null) != myString) throw new RuntimeException("Test failed");
// Test passed.
}
}