69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
/*
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* Copyright (c) 2023, 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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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandleProxies;
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import java.lang.invoke.MethodHandles;
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import java.util.List;
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import static jdk.test.lib.Asserts.assertSame;
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/*
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* @test
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* @bug 6983726
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* @library /test/lib
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* @build jdk.test.lib.Asserts Client
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* @run main/othervm/policy=jtreg.security.policy WithSecurityManagerTest
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* @summary Checks MethodHandleProxies behavior with security manager present
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*/
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public class WithSecurityManagerTest {
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public interface NestedInterface {
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void task();
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}
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public static void main(String... args) {
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var originalMh = MethodHandles.zero(void.class);
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// Test system and user interfaces
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for (Class<?> cl : List.of(Runnable.class, Client.class, NestedInterface.class)) {
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try {
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Object o = MethodHandleProxies.asInterfaceInstance(cl, originalMh);
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testWrapperInstanceTarget(o, originalMh);
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testWrapperInstanceType(o, cl);
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} catch (Throwable ex) {
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throw new AssertionError("Test failed for " + cl, ex);
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}
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}
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}
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private static void testWrapperInstanceTarget(Object wrapper, MethodHandle originalMh) {
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var recoveredTarget = MethodHandleProxies.wrapperInstanceTarget(wrapper);
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assertSame(originalMh, recoveredTarget, "wrapperInstanceTarget recovery");
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}
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private static void testWrapperInstanceType(Object wrapper, Class<?> type) {
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var recoveredType = MethodHandleProxies.wrapperInstanceType(wrapper);
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assertSame(type, recoveredType, "wrapperInstanceType recovery");
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}
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}
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