#!/bin/sh # # Copyright (c) 2009, 2013, 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 # @key intermittent # @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. # @author Daniel D. Daugherty # # @run shell RedefineAbstractClass.sh compileOptions=-g # Uncomment this to see the JDI trace #jdbOptions=-dbgtrace createJavaFile() { cat < $1.java.1 public class $1 { 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()); } } EOF } # This is called to feed cmds to jdb. dojdbCmds() { setBkpts @1 setBkpts @2 runToBkpt @1 # modified version of redefineClass function vers=2 abs_class=MyAbstractClass cmd redefine $pkgDot$abs_class $tmpFileDir/vers$vers/$abs_class.class cp $tmpFileDir/$classname.java.$vers \ $tmpFileDir/$classname.java # end modified version of redefineClass function # this will continue to the second breakpoint cmd cont } mysetup() { if [ -z "$TESTSRC" ] ; then TESTSRC=. fi for ii in . $TESTSRC $TESTSRC/.. ; do if [ -r "$ii/ShellScaffold.sh" ] ; then . $ii/ShellScaffold.sh break fi done } # You could replace this next line with the contents # of ShellScaffold.sh and this script will run just the same. mysetup runit debuggeeFailIfNotPresent 'This is call 4 to checkFunc' debuggeeFailIfNotPresent 'This is call 5 to checkFunc' debuggeeFailIfNotPresent 'This is call 6 to checkFunc' pass