63 lines
2.3 KiB
Java
63 lines
2.3 KiB
Java
/*
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* Copyright (c) 2020, 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 8250219
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* @run testng HiddenProxyInterface
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*/
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import java.lang.invoke.MethodHandles;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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public class HiddenProxyInterface {
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private static final Path CLASSES_DIR = Paths.get(System.getProperty("test.classes"));
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interface Intf {
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void m();
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}
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@Test(expectedExceptions = { IllegalArgumentException.class })
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public void testHiddenInterface() throws Exception {
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Path classFile = CLASSES_DIR.resolve("HiddenProxyInterface$Intf.class");
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byte[] bytes = Files.readAllBytes(classFile);
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Class<?> hiddenIntf = MethodHandles.lookup().defineHiddenClass(bytes, false).lookupClass();
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Proxy.newProxyInstance(HiddenProxyInterface.class.getClassLoader(),
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new Class<?>[]{ hiddenIntf },
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new InvocationHandler() {
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@Override
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public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
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return null;
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}
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});
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}
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}
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