/* * Copyright (c) 2009, 2022, 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 6805864 * @summary Redefine an abstract class that is called via a concrete * class and via two interface objects and verify that the right * methods are called. * @comment converted from test/jdk/com/sun/jdi/RedefineAbstractClass.sh * * @library /test/lib * @compile -g RedefineAbstractClass.java * @run main/othervm RedefineAbstractClass */ import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.util.ClassTransformer; import lib.jdb.JdbCommand; import lib.jdb.JdbTest; class RedefineAbstractClassTarg { public static void main(String[] args) { System.out.println("This is RedefineAbstractClass"); MyConcreteClass foo = new MyConcreteClass(); // do the work once before redefine foo.doWork(); System.out.println("stop here for redefine"); // @1 breakpoint // do the work again after redefine foo.doWork(); System.out.println("stop here to check results"); // @2 breakpoint } } interface MyInterface1 { public boolean checkFunc(); public boolean isMyInterface1(); } interface MyInterface2 { public boolean checkFunc(); public boolean isMyInterface2(); } abstract class MyAbstractClass implements MyInterface1, MyInterface2 { static int counter = 0; public boolean checkFunc() { counter++; System.out.println("MyAbstractClass.checkFunc() called."); // @1 uncomment System.out.println("This is call " + counter + " to checkFunc"); return true; } public boolean isMyInterface1() { System.out.println("MyAbstractClass.isMyInterface1() called."); return true; } public boolean isMyInterface2() { System.out.println("MyAbstractClass.isMyInterface2() called."); return true; } } class MyConcreteClass extends MyAbstractClass { public void doWork() { // checkFunc() is called via invokevirtual here; MyConcreteClass // inherits via MyAbstractClass System.out.println("In doWork() calling checkFunc(): " + checkFunc()); MyInterface1 if1 = (MyInterface1) this; // checkFunc() is called via invokeinterface here; this call will // use the first itable entry System.out.println("In doWork() calling if1.checkFunc(): " + if1.checkFunc()); MyInterface2 if2 = (MyInterface2) this; // checkFunc() is called via invokeinterface here; this call will // use the second itable entry System.out.println("In doWork() calling if2.checkFunc(): " + if2.checkFunc()); } } public class RedefineAbstractClass extends JdbTest { public static void main(String argv[]) { new RedefineAbstractClass().run(); } private RedefineAbstractClass() { super(DEBUGGEE_CLASS, SOURCE_FILE); } private static final String DEBUGGEE_CLASS = RedefineAbstractClassTarg.class.getName(); private static final String SOURCE_FILE = "RedefineAbstractClass.java"; private static final String ABSTRACT_CLASS = "MyAbstractClass"; @Override protected void runCases() { setBreakpoints(1); setBreakpoints(2); jdb.command(JdbCommand.run()); // modified version of redefineClass function String transformedClassFile = ClassTransformer.fromTestSource(SOURCE_FILE) .transform(1, ABSTRACT_CLASS, "-g"); jdb.command(JdbCommand.redefine(ABSTRACT_CLASS, transformedClassFile)); // end modified version of redefineClass function // this will continue to the second breakpoint jdb.command(JdbCommand.cont()); new OutputAnalyzer(getDebuggeeOutput()) .shouldContain("This is call 4 to checkFunc") .shouldContain("This is call 5 to checkFunc") .shouldContain("This is call 6 to checkFunc"); } }