/*
* Copyright ( c ) 2007 , 2015 , 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 6517249
* @ summary JDWP : Cannot do an invokeMethod after a popFrames operation
* @ author jjh
*
* @ ignore 6951287
*
* @ run build TestScaffold VMConnection TargetListener TargetAdapter
* @ run compile - g PopAndInvokeTest . java
* @ run driver PopAndInvokeTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import java.util.*;
class PopAndInvokeTarg {
static boolean waiting = false ;
public static void A() {
System.out.println(" debuggee: in A" );
}
public static void invokeee() {
System.out.println(" debuggee: invokee" );
}
public static void waiter() {
if (waiting) {
return ;
}
waiting = true ;
System.out.println(" debuggee: in waiter" );
while (true ) {
}
}
public static void main(String[] args) {
System.out.println(" debuggee: Howdy!" );
/*
* Debugger will bkpt in A , popFrames back to here
* and then do an invokeMethod on invokeee .
* This should work .
*/
A();
/*
* Debugger will resume and we will enter
* waiter ( ) . Debugger will then do a suspend ,
* a popFrames back to here , and an invoke
* which should fail .
*/
waiter();
System.out.println(" debuggee: Goodbye from PopAndInvokeTarg!" );
}
}
/********** test program **********/
public class PopAndInvokeTest extends TestScaffold {
ClassType targetClass;
ThreadReference mainThread;
PopAndInvokeTest (String args[]) {
super (args);
}
public static void main(String[] args) throws Exception {
new PopAndInvokeTest(args).startTests();
}
StackFrame frameFor(String methodName) throws Exception {
Iterator it = mainThread.frames().iterator();
while (it.hasNext()) {
StackFrame frame = (StackFrame)it.next();
if (frame.location().method().name().equals(methodName)) {
return frame;
}
}
failure("FAIL: " + methodName + " not on stack" );
return null ;
}
/********** test core **********/
protected void runTests() throws Exception {
/*
* Get to the top of main ( )
* to determine targetClass and mainThread
*/
runOnce();
}
void runOnce() throws Exception {
BreakpointEvent bpe = startTo("PopAndInvokeTarg" , "A" , "()V" );
targetClass = (ClassType)bpe.location().declaringType();
mainThread = bpe.thread ();
/*
* Verify that an invokeMethod works ok after a popFrames
* in a thread suspended by an event .
*/
mainThread.popFrames(frameFor("A" ));
System.out.println("Debugger: Popped back to the call to A()" );
System.out.println("Debugger: Doing invoke" );
Method invokeeeMethod = (Method)targetClass.methodsByName("invokeee" ).get(0 );
try {
targetClass.invokeMethod(mainThread, invokeeeMethod,
new ArrayList(), 0 );
} catch (Exception ex) {
failure("failure: invoke got unexpected exception: " + ex);
ex.printStackTrace();
}
System.out.println("Debugger: invoke done" );
/*
* Verify that an invokeMethod gets an IncompatibleThreadStateException
* after a popFrames in a thread that is _ not_ suspended by an event .
*/
System.out.println("Debugger: Resuming debuggee" );
vm().resume();
Field waiting = targetClass.fieldByName("waiting" );
while (true ) {
// Wait until debuggee enters the 'waiting' method.
BooleanValue bv= (BooleanValue)targetClass.getValue(waiting);
if (!bv.value()) {
try {
Thread .sleep(10 );
} catch (InterruptedException ee) {
}
continue ;
}
// debuggee has entered the waiting method
System.out.println("Debugger: Suspending debuggee" );
vm().suspend();
System.out.println("Debugger: Popping frame for waiter" );
mainThread.popFrames(frameFor("waiter" ));
System.out.println("Debugger: Invoking method" );
try {
targetClass.invokeMethod(mainThread, invokeeeMethod,
new ArrayList(), 0 );
} catch (IncompatibleThreadStateException ee) {
System.out.println("Debugger: Success: Got expected IncompatibleThreadStateException" );
break ;
} catch (Exception ee) {
failure("FAIL: Got unexpected exception: " + ee);
break ;
}
failure("FAIL: Did not get IncompatibleThreadStateException " +
"when debuggee is not suspended by an event" );
}
listenUntilVMDisconnect();
if (testFailed) {
throw new Exception("PopAndInvokeTest failed" );
}
System.out.println("Passed:" );
}
}
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