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/*
* 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");
}
}
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