9583e3657e
Co-authored-by: Ron Pressler <rpressler@openjdk.org> Co-authored-by: Alan Bateman <alanb@openjdk.org> Co-authored-by: Erik Österlund <eosterlund@openjdk.org> Co-authored-by: Andrew Haley <aph@openjdk.org> Co-authored-by: Rickard Bäckman <rbackman@openjdk.org> Co-authored-by: Markus Grönlund <mgronlun@openjdk.org> Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org> Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org> Co-authored-by: Chris Plummer <cjplummer@openjdk.org> Co-authored-by: Coleen Phillimore <coleenp@openjdk.org> Co-authored-by: Robbin Ehn <rehn@openjdk.org> Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org> Co-authored-by: Sergey Kuksenko <skuksenko@openjdk.org> Reviewed-by: lancea, eosterlund, rehn, sspitsyn, stefank, tschatzl, dfuchs, lmesnik, dcubed, kevinw, amenkov, dlong, mchung, psandoz, bpb, coleenp, smarks, egahlin, mseledtsov, coffeys, darcy
112 lines
3.7 KiB
Java
112 lines
3.7 KiB
Java
/*
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* Copyright (c) 2016, 2022, 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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/*
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* @test
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* @bug 8081800 8010319
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* @summary Redefine private and default interface methods
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* @requires vm.jvmti
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* @modules java.compiler
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* java.instrument
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* jdk.jartool/sun.tools.jar
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* @run main RedefineClassHelper
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* @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineInterfaceMethods
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*/
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// package access top-level class to avoid problem with RedefineClassHelper
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// and nested types.
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interface RedefineInterfaceMethods_B {
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int ORIGINAL_RETURN = 1;
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int NEW_RETURN = 2;
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private int privateMethod() {
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return ORIGINAL_RETURN;
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}
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public default int defaultMethod() {
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return privateMethod();
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}
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}
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public class RedefineInterfaceMethods {
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static final int RET = -2;
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public static String redefinedPrivateMethod = """
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interface RedefineInterfaceMethods_B {
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int ORIGINAL_RETURN = 1;
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int NEW_RETURN = 2;
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private int privateMethod() {
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return NEW_RETURN;
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}
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public default int defaultMethod() {
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return privateMethod();
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}
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}
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""";
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public static String redefinedDefaultMethod = """
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interface RedefineInterfaceMethods_B {
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int ORIGINAL_RETURN = 1;
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int NEW_RETURN = 2;
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private int privateMethod() {
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return ORIGINAL_RETURN;
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}
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public default int defaultMethod() {
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return RedefineInterfaceMethods.RET;
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}
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}
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""";
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static class Impl implements RedefineInterfaceMethods_B {
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}
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public static void main(String[] args) throws Exception {
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Impl impl = new Impl();
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int res = impl.defaultMethod();
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if (res != RedefineInterfaceMethods_B.ORIGINAL_RETURN)
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throw new Error("defaultMethod returned " + res +
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" expected " + RedefineInterfaceMethods_B.ORIGINAL_RETURN);
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RedefineClassHelper.redefineClass(RedefineInterfaceMethods_B.class, redefinedPrivateMethod);
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res = impl.defaultMethod();
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if (res != RedefineInterfaceMethods_B.NEW_RETURN)
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throw new Error("defaultMethod returned " + res +
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" expected " + RedefineInterfaceMethods_B.NEW_RETURN);
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System.gc();
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RedefineClassHelper.redefineClass(RedefineInterfaceMethods_B.class, redefinedDefaultMethod);
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res = impl.defaultMethod();
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if (res != RET)
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throw new Error("defaultMethod returned " + res +
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" expected " + RET);
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}
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}
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