| /* |
| * Copyright (c) 2019, 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 8181171 8210457 |
| * @summary Break ResolvedMethodTable with redefined nest class. |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * @modules java.compiler |
| * java.instrument |
| * jdk.jartool/sun.tools.jar |
| * @compile ../../NamedBuffer.java |
| * @compile redef/Xost.java |
| * @run main RedefineClassHelper |
| * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+update*=debug,membername+table=debug MethodHandleDeletedMethod |
| */ |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.lang.invoke.*; |
| |
| class Host { |
| static MethodHandle fooMH; |
| |
| static class A { |
| private static void foo() { System.out.println("OLD foo called"); } |
| } |
| static void bar() throws NoSuchMethodError { |
| A.foo(); |
| } |
| static void barMH() throws Throwable { |
| fooMH.invokeExact(); |
| } |
| |
| public static void reresolve() throws Throwable { |
| fooMH = MethodHandles.lookup().findStatic(A.class, "foo", MethodType.methodType(void.class)); |
| } |
| |
| static { |
| try { |
| fooMH = MethodHandles.lookup().findStatic(A.class, "foo", MethodType.methodType(void.class)); |
| } catch (ReflectiveOperationException ex) { |
| } |
| } |
| } |
| |
| public class MethodHandleDeletedMethod { |
| |
| static final String DEST = System.getProperty("test.classes"); |
| static final boolean VERBOSE = false; |
| |
| private static byte[] bytesForHostClass(char replace) throws Throwable { |
| return NamedBuffer.bytesForHostClass(replace, "Host$A"); |
| } |
| |
| public static void main(java.lang.String[] unused) throws Throwable { |
| Host h = new Host(); |
| h.bar(); |
| h.barMH(); |
| byte[] buf = bytesForHostClass('X'); |
| RedefineClassHelper.redefineClass(Host.A.class, buf); |
| try { |
| h.bar(); // call deleted Method directly |
| throw new RuntimeException("Failed, expected NSME"); |
| } catch (NoSuchMethodError nsme) { |
| System.out.println("Received expected NSME"); |
| } |
| try { |
| h.barMH(); // call through MethodHandle for deleted Method |
| throw new RuntimeException("Failed, expected NSME"); |
| } catch (NoSuchMethodError nsme) { |
| System.out.println("Received expected NSME"); |
| } |
| System.out.println("Passed."); |
| } |
| } |