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/*
* 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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