75 lines
2.5 KiB
Java
75 lines
2.5 KiB
Java
/*
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* Copyright (c) 2019, 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 8225325
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* @summary Add tests for redefining a class' private method during resolution of the bootstrap specifier
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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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* @compile ../NamedBuffer.java
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* @compile redef/Xost.java
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* @run main RedefineClassHelper
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* @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineMathTesterMethods
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*/
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interface MathOperation {
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public int operation(int a, int b);
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}
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class Host {
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static class B {
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public static int operate(int a, int b, MathOperation mathOperation) {
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return mathOperation.operation(a, b);
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}
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static int test_math() {
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MathOperation addition = (int a, int b) -> a + b;
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return operate(10, 5, addition);
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}
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}
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}
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public class RedefineMathTesterMethods {
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private static byte[] bytesForHostClass(char replace) throws Throwable {
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return NamedBuffer.bytesForHostClass(replace, "Host$B");
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}
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public static void main(String[] args) throws Throwable {
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int res = Host.B.test_math();
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System.out.println("Result = " + res);
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if (res != 15) {
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throw new Error("test_math returned " + res + " expected " + 15);
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}
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byte[] buf = bytesForHostClass('X');
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RedefineClassHelper.redefineClass(Host.B.class, buf);
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res = Host.B.test_math();
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if (res != 5)
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throw new Error("test_math returned " + res + " expected " + 5);
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}
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}
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