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