/*
* Copyright ( c ) 2001 , 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 4409241 4432820
* @ summary Test the bug fix for : MethodExitEvents disappear when Object - Methods are called from main
* @ author Tim Bell
*
* @ run build TestScaffold VMConnection TargetListener TargetAdapter
* @ run compile - g MethodEntryExitEvents . java
* @ run driver MethodEntryExitEvents SUSPEND_EVENT_THREAD MethodEntryExitEventsDebugee
* @ run driver MethodEntryExitEvents SUSPEND_NONE MethodEntryExitEventsDebugee
* @ run driver MethodEntryExitEvents SUSPEND_ALL MethodEntryExitEventsDebugee
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
class t2 {
public static void sayHello1(int i, int j) {
sayHello2(i, j);
}
public static void sayHello2(int i, int j) {
sayHello3(i, j);
}
public static void sayHello3(int i, int j) {
sayHello4(i, j);
}
public static void sayHello4(int i, int j) {
sayHello5(i, j);
}
public static void sayHello5(int i, int j) {
if (i < 2 ) {
sayHello1(++i, j);
} else {
System.out.print ("MethodEntryExitEventsDebugee: " );
System.out.print (" -->> Hello. j is: " );
System.out.print (j);
System.out.println(" <<--" );
}
}
}
class MethodEntryExitEventsDebugee {
public static void loopComplete () {
/*
* The implementation here is deliberately inefficient
* because the debugger is still watching this method .
*/
StringBuffer sb = new StringBuffer();
sb.append ("MethodEntryExitEventsDebugee: " );
sb.append ("Executing loopComplete method for a graceful shutdown..." );
String s = sb.toString();
for (int i = 0 ; i < s.length(); i++) {
char c = s.charAt(i);
System.out.print(c);
}
System.out.println();
}
public static void main(String[] args) {
t2 test = new t2();
for (int j = 0 ; j < 3 ; j++) {
test.sayHello1(0 , j);
}
loopComplete();
}
}
public class MethodEntryExitEvents extends TestScaffold {
int sessionSuspendPolicy = EventRequest.SUSPEND_ALL;
StepRequest stepReq = null ; //Only one step request allowed per thread
boolean finishedCounting = false ;
/*
* Enter main ( ) , then t2 . < init > , then sayHello [ 1 , 2 , 3 , 4 , 5 ] 15 times 3 loops ,
* then loopComplete ( )
*/
final int expectedEntryCount = 1 + 1 + (15 * 3 ) + 1 ;
int methodEntryCount = 0 ;
/*
* Exit t2 . < init > , then sayHello [ 1 , 2 , 3 , 4 , 5 ] 15 times 3 loopa
* ( event monitoring is cancelled before we exit loopComplete ( ) or main ( ) )
*/
final int expectedExitCount = 1 + (15 * 3 );
int methodExitCount = 0 ;
// Classes which we are interested in
private List includes = Arrays.asList(new String[] {
"MethodEntryExitEventsDebugee" ,
"t2"
});
MethodEntryExitEvents (String args[]) {
super (args);
}
private void usage(String[] args) throws Exception {
StringBuffer sb = new StringBuffer("Usage: " );
sb.append(System.getProperty("line.separator" ));
sb.append(" java " );
sb.append(getClass().getName());
sb.append(" [SUSPEND_NONE | SUSPEND_EVENT_THREAD | SUSPEND_ALL]" );
sb.append(" [MethodEntryExitEventsDebugee | -connect <connector options...>] " );
throw new Exception (sb.toString());
}
public static void main(String[] args) throws Exception {
MethodEntryExitEvents meee = new MethodEntryExitEvents (args);
meee.startTests();
}
public void exceptionThrown(ExceptionEvent event) {
System.out.println("Exception: " + event.exception());
System.out.println(" at catch location: " + event.catchLocation());
// Step to the catch
if (stepReq == null ) {
stepReq =
eventRequestManager().createStepRequest(event.thread (),
StepRequest.STEP_MIN,
StepRequest.STEP_INTO);
stepReq.addCountFilter(1 ); // next step only
stepReq.setSuspendPolicy(EventRequest.SUSPEND_ALL);
}
stepReq.enable();
}
public void stepCompleted(StepEvent event) {
System.out.println("stepCompleted: line#=" +
event.location().lineNumber() +
" event=" + event);
// disable the step and then run to completion
//eventRequestManager().deleteEventRequest(event.request());
StepRequest str= (StepRequest)event.request();
str.disable();
}
public void methodEntered(MethodEntryEvent event) {
if (!includes.contains(event.method().declaringType().name())) {
return ;
}
if (! finishedCounting) {
// We have to count the entry to loopComplete, but
// not the exit
methodEntryCount++;
System.out.print (" Method entry number: " );
System.out.print (methodEntryCount);
System.out.print (" : " );
System.out.println(event);
if ("loopComplete" .equals(event.method().name())) {
finishedCounting = true ;
}
}
}
public void methodExited(MethodExitEvent event) {
if (!includes.contains(event.method().declaringType().name())) {
return ;
}
if (! finishedCounting){
methodExitCount++;
System.out.print (" Method exit number: " );
System.out.print (methodExitCount);
System.out.print (" : " );
System.out.println(event);
}
}
protected void runTests() throws Exception {
if (args.length < 1 ) {
usage(args);
}
//Pick up the SUSPEND_xxx in first argument
if ("SUSPEND_NONE" .equals(args[0 ])) {
sessionSuspendPolicy = EventRequest.SUSPEND_NONE;
} else if ("SUSPEND_EVENT_THREAD" .equals(args[0 ])) {
sessionSuspendPolicy = EventRequest.SUSPEND_EVENT_THREAD;
} else if ("SUSPEND_ALL" .equals(args[0 ])) {
sessionSuspendPolicy = EventRequest.SUSPEND_ALL;
} else {
usage(args);
}
System.out.print("Suspend policy is: " );
System.out.println(args[0 ]);
// Skip the test arg
String[] args2 = new String[args.length - 1 ];
System.arraycopy(args, 1 , args2, 0 , args.length - 1 );
if (args2.length < 1 ) {
usage(args2);
}
List argList = new ArrayList(Arrays.asList(args2));
System.out.println("run args: " + argList);
connect((String[]) argList.toArray(args2));
waitForVMStart();
// Determine main thread
ClassPrepareEvent e = resumeToPrepareOf("MethodEntryExitEventsDebugee" );
mainThread = e.thread ();
try {
/*
* Ask for Exception events
*/
ExceptionRequest exceptionRequest =
eventRequestManager().createExceptionRequest(null , // refType (null == all instances)
true , // notifyCaught
true );// notifyUncaught
exceptionRequest.addThreadFilter(mainThread);
exceptionRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL);
exceptionRequest.enable();
/*
* Ask for method entry events
*/
MethodEntryRequest entryRequest =
eventRequestManager().createMethodEntryRequest();
entryRequest.addThreadFilter(mainThread);
entryRequest.setSuspendPolicy(sessionSuspendPolicy);
entryRequest.enable();
/*
* Ask for method exit events
*/
MethodExitRequest exitRequest =
eventRequestManager().createMethodExitRequest();
exitRequest.addThreadFilter(mainThread);
exitRequest.setSuspendPolicy(sessionSuspendPolicy);
exitRequest.enable();
/*
* We are now set up to receive the notifications we want .
* Here we go . This adds ' this ' as a listener so
* that our handlers above will be called .
*/
listenUntilVMDisconnect();
System.out.println("All done..." );
} catch (Exception ex){
ex.printStackTrace();
testFailed = true ;
}
if ((methodEntryCount != expectedEntryCount) ||
(methodExitCount != expectedExitCount)) {
testFailed = true ;
}
if (!testFailed) {
System.out.println();
System.out.println("MethodEntryExitEvents: passed" );
System.out.print (" Method entry count: " );
System.out.println(methodEntryCount);
System.out.print (" Method exit count: " );
System.out.println(methodExitCount);
} else {
System.out.println();
System.out.println("MethodEntryExitEvents: failed" );
System.out.print (" expected method entry count: " );
System.out.println(expectedEntryCount);
System.out.print (" observed method entry count: " );
System.out.println(methodEntryCount);
System.out.print (" expected method exit count: " );
System.out.println(expectedExitCount);
System.out.print (" observed method exit count: " );
System.out.println(methodExitCount);
throw new Exception("MethodEntryExitEvents: failed" );
}
}
}
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