jdk-24/test/jdk/java/lang/invoke/MethodHandleProxies/Unnamed.java
2022-01-26 01:24:15 +00:00

46 lines
1.8 KiB
Java

/*
* Copyright (c) 2022, 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
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*/
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandleProxies;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Method;
import static org.testng.Assert.*;
/*
* Test MethodHandleProxies::asInterfaceInstance with an inaccessible interface
*/
public class Unnamed {
public static void main(String... args) throws Throwable {
MethodHandle target = MethodHandles.constant(String.class, "test");
Class<?> intf = Class.forName("p2.TestIntf");
Object t = MethodHandleProxies.asInterfaceInstance(intf, target);
// verify that the caller has no access to the proxy created on an
// inaccessible interface
Method m = intf.getMethod("test", Object[].class);
assertFalse(m.canAccess(null));
}
}