c6339cb8a2
8013527: calling MethodHandles.lookup on itself leads to errors Co-authored-by: Peter Levart <plevart@openjdk.org> Co-authored-by: Claes Redestad <redestad@openjdk.org> Co-authored-by: Mandy Chung <mchung@openjdk.org> Reviewed-by: mcimadamore, plevart, egahlin, redestad, cjplummer, alanb
75 lines
2.9 KiB
Java
75 lines
2.9 KiB
Java
/*
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* Copyright (c) 2021, 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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/* @test
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* @summary Test MethodHandle::invokeExact and MethodHandle::invoke throws
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* UnsupportedOperationException when called via Method::invoke
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* @run testng test.java.lang.invoke.MethodHandleInvokeUOE
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*/
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package test.java.lang.invoke;
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import org.testng.*;
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import org.testng.annotations.*;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import static java.lang.invoke.MethodType.*;
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public class MethodHandleInvokeUOE {
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@Test
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public void testInvokeExact() throws Throwable {
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Class<?> clz = MethodHandle.class;
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String mname = "invokeExact";
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Method m = clz.getDeclaredMethod(mname, Object[].class);
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MethodHandle mh = MethodHandles.lookup().findVirtual(clz, mname, methodType(Object.class, Object[].class));
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try {
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m.invoke(mh, new Object[1]);
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} catch (InvocationTargetException e) {
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if (!(e.getCause() instanceof UnsupportedOperationException)) {
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throw new RuntimeException("expected UnsupportedOperationException but got: "
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+ e.getCause().getClass().getName(), e);
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}
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}
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}
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@Test
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public void testInvoke() throws Throwable {
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Class<?> clz = MethodHandle.class;
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String mname = "invoke";
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Method m = clz.getDeclaredMethod(mname, Object[].class);
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MethodHandle mh = MethodHandles.lookup().findVirtual(clz, mname, methodType(Object.class, Object[].class));
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try {
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m.invoke(mh, new Object[1]);
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} catch (InvocationTargetException e) {
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if (!(e.getCause() instanceof UnsupportedOperationException)) {
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throw new RuntimeException("expected UnsupportedOperationException but got: "
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+ e.getCause().getClass().getName(), e);
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}
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}
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}
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}
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