71 lines
2.4 KiB
Java
71 lines
2.4 KiB
Java
/*
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* Copyright (c) 2018, 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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/* @test
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* @bug 8188240
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* @summary This is a test to ensure that proxies do not try to intercept interface static methods.
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*
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* @build ProxyClashTest
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* @run main ProxyClashTest
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*/
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import java.util.Observer;
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public class ProxyClashTest {
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public interface ClashWithRunnable {
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static int run() { return 123; }
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static void foo() {}
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}
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public static void main(String[] args) {
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System.err.println(
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"\nDynamic proxy API static method clash test\n");
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Class<?>[] interfaces =
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new Class<?>[] { ClashWithRunnable.class, Runnable.class, Observer.class };
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ClassLoader loader = ProxyClashTest.class.getClassLoader();
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/*
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* Generate a proxy class.
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*/
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Class<?> proxyClass = Proxy.getProxyClass(loader, interfaces);
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System.err.println("+ generated proxy class: " + proxyClass);
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for (Method method : proxyClass.getDeclaredMethods()) {
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if (method.getName().equals("run") && method.getReturnType() == int.class) {
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throw new RuntimeException("proxy intercept a static method");
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}
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if (method.getName().equals("foo")) {
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throw new RuntimeException("proxy intercept a static method");
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}
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}
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System.err.println("\nTEST PASSED");
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}
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}
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