/* * Copyright (c) 2021, 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 testng SealedInterfaceTest */ import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import java.lang.reflect.Proxy; import org.testng.annotations.Test; import static org.testng.Assert.*; public class SealedInterfaceTest { sealed interface Intf permits NonSealedInterface { void m1(); } non-sealed interface NonSealedInterface extends Intf { void m2(); } @Test(expectedExceptions = { IllegalArgumentException.class }) public void testSealedInterface() { 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; } }); } }