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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/invoke/lambda/superProtectedMethod/InheritedProtectedMethod.java Normal file
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/*
* Copyright (c) 2020, 2025, 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 8239384
* @modules jdk.compiler
* @library /test/lib
* @build jdk.test.lib.Utils
* jdk.test.lib.compiler.CompilerUtils
* @run junit/othervm InheritedProtectedMethod
* @summary Test method reference to a method inherited from its
* superclass in a different package. Such method's modifier
* is changed from public to protected.
*/
import jdk.test.lib.compiler.CompilerUtils;
import jdk.test.lib.Utils;
import java.io.IOException;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Path;
import java.nio.file.Paths;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
public class InheritedProtectedMethod {
private static final Path SRC_DIR = Paths.get(Utils.TEST_SRC, "src");
private static final Path CLASSES_DIR = Paths.get("classes");
@BeforeAll
static void setup() throws IOException {
assertTrue(CompilerUtils.compile(SRC_DIR, CLASSES_DIR));
// compile the modified version of MethodSupplierOuter.java
Path file = Paths.get(Utils.TEST_SRC, "modified", "MethodSupplierOuter.java");
assertTrue(CompilerUtils.compile(file, CLASSES_DIR));
}
@Test
public void run() throws Exception {
URLClassLoader loader = new URLClassLoader("loader", new URL[]{ CLASSES_DIR.toUri().toURL()},
ClassLoader.getPlatformClassLoader());
Class<?> methodInvokeClass = Class.forName("MethodInvoker", false, loader);
Method invokeMethod = methodInvokeClass.getMethod("invoke");
String result = (String)invokeMethod.invoke(null);
assertEquals("protected inherited method", result);
}
}