java-topology/test/jdk/java/lang/reflect/Proxy/SealedInterfaceTest.java
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
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.
2026-03-26 17:11:57 -04:00

70 lines
2.4 KiB
Java

/*
* Copyright (c) 2021, 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 8269351
* @run junit SealedInterfaceTest
*/
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
public class SealedInterfaceTest {
sealed interface Intf permits NonSealedInterface {
void m1();
}
non-sealed interface NonSealedInterface extends Intf {
void m2();
}
@Test
public void testSealedInterface() {
assertThrows(IllegalArgumentException.class, () -> Proxy.newProxyInstance(
SealedInterfaceTest.class.getClassLoader(),
new Class<?>[]{ Intf.class },
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
return null;
}
}));
}
@Test
public void testNonSealedInterface() {
Proxy.newProxyInstance(SealedInterfaceTest.class.getClassLoader(),
new Class<?>[]{ NonSealedInterface.class },
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
return null;
}
});
}
}