russell@unturf.com
0a580b313d
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.
59 lines
2.6 KiB
Java
59 lines
2.6 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8371953
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* @summary Basic API null checks for Proxy.
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* @run junit ProxyNullCheckTest
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*/
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Proxy;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.*;
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class ProxyNullCheckTest {
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@SuppressWarnings("deprecation")
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@Test
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void nullChecks() throws ReflectiveOperationException {
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InvocationHandler h = (_, _, _) -> null;
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// newProxyInstance
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assertDoesNotThrow(() -> Proxy.newProxyInstance(null, new Class[0], h));
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assertThrows(NullPointerException.class, () -> Proxy.newProxyInstance(null, null, h));
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assertThrows(NullPointerException.class, () -> Proxy.newProxyInstance(null, new Class[] { null }, h));
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assertThrows(NullPointerException.class, () -> Proxy.newProxyInstance(null, new Class[0], null));
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// getProxyClass
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assertDoesNotThrow(() -> Proxy.getProxyClass(null, new Class[0]));
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assertThrows(NullPointerException.class, () -> Proxy.getProxyClass(null, (Class[]) null));
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assertThrows(NullPointerException.class, () -> Proxy.getProxyClass(null, new Class[] { null }));
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// isProxyClass
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assertFalse(Proxy.isProxyClass(Object.class));
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assertThrows(NullPointerException.class, () -> Proxy.isProxyClass(null));
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// getInvocationHandler
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assertThrows(NullPointerException.class, () -> Proxy.getInvocationHandler(null));
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assertThrows(IllegalArgumentException.class, () -> Proxy.getInvocationHandler(42));
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}
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}
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