/* * 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 8225325 * @summary Add tests for redefining a class' private method during resolution of the bootstrap specifier * @library /test/lib * @modules java.base/jdk.internal.misc * @modules java.compiler * java.instrument * @compile ../NamedBuffer.java * @compile redef/Xost.java * @run main RedefineClassHelper * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineMathTesterMethods */ interface MathOperation { public int operation(int a, int b); } class Host { static class B { public static int operate(int a, int b, MathOperation mathOperation) { return mathOperation.operation(a, b); } static int test_math() { MathOperation addition = (int a, int b) -> a + b; return operate(10, 5, addition); } } } public class RedefineMathTesterMethods { private static byte[] bytesForHostClass(char replace) throws Throwable { return NamedBuffer.bytesForHostClass(replace, "Host$B"); } public static void main(String[] args) throws Throwable { int res = Host.B.test_math(); System.out.println("Result = " + res); if (res != 15) { throw new Error("test_math returned " + res + " expected " + 15); } byte[] buf = bytesForHostClass('X'); RedefineClassHelper.redefineClass(Host.B.class, buf); res = Host.B.test_math(); if (res != 5) throw new Error("test_math returned " + res + " expected " + 5); } }