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#!/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
# @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
#
# @key intermittent
# @run shell RedefineAbstractClass.sh
compileOptions=-g
# Uncomment this to see the JDI trace
#jdbOptions=-dbgtrace
createJavaFile()
{
cat <<EOF > $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
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