changeset 49244:eb072e1ad254

8198533: Remove obsolete JDIScaffold class from repo. Summary: update one remaining test and remove JDIScaffold from repo. Reviewed-by: sspitsyn, cjplummer
author psomashe
date Fri, 23 Feb 2018 11:31:22 -0800
parents 6a6490af22a0
children 4aa67aba6c85
files test/jdk/com/sun/jdi/JDIScaffold.java test/jdk/com/sun/jdi/NativeInstanceFilter.java
diffstat 2 files changed, 41 insertions(+), 641 deletions(-) [+]
line wrap: on
line diff
--- a/test/jdk/com/sun/jdi/JDIScaffold.java	Fri Feb 23 13:42:48 2018 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,595 +0,0 @@
-/*
- * Copyright (c) 1999, 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.
- */
-
-import com.sun.jdi.*;
-import com.sun.jdi.request.*;
-import com.sun.jdi.event.*;
-import java.util.*;
-import java.io.*;
-
-
-/**
- * Framework used by all JDI regression tests
- */
-abstract public class JDIScaffold {
-    private boolean shouldTrace = false;
-    private VMConnection connection;
-    private VirtualMachine vm;
-    private EventRequestManager requestManager;
-    private List listeners = Collections.synchronizedList(new LinkedList());
-    ThreadReference vmStartThread = null;
-    boolean vmDied = false;
-    boolean vmDisconnected = false;
-
-    static private class ArgInfo {
-        String targetVMArgs = "";
-        String targetAppCommandLine = "";
-        String connectorSpec = "com.sun.jdi.CommandLineLaunch:";
-        int traceFlags = 0;
-    }
-
-    static public interface TargetListener {
-        boolean eventSetReceived(EventSet set);
-        boolean eventSetComplete(EventSet set);
-        boolean eventReceived(Event event);
-        boolean breakpointReached(BreakpointEvent event);
-        boolean exceptionThrown(ExceptionEvent event);
-        boolean stepCompleted(StepEvent event);
-        boolean classPrepared(ClassPrepareEvent event);
-        boolean classUnloaded(ClassUnloadEvent event);
-        boolean methodEntered(MethodEntryEvent event);
-        boolean methodExited(MethodExitEvent event);
-        boolean fieldAccessed(AccessWatchpointEvent event);
-        boolean fieldModified(ModificationWatchpointEvent event);
-        boolean threadStarted(ThreadStartEvent event);
-        boolean threadDied(ThreadDeathEvent event);
-        boolean vmStarted(VMStartEvent event);
-        boolean vmDied(VMDeathEvent event);
-        boolean vmDisconnected(VMDisconnectEvent event);
-    }
-
-    static public class TargetAdapter implements TargetListener {
-        public boolean eventSetReceived(EventSet set) {
-            return false;
-        }
-        public boolean eventSetComplete(EventSet set) {
-            return false;
-        }
-        public boolean eventReceived(Event event) {
-            return false;
-        }
-        public boolean breakpointReached(BreakpointEvent event) {
-            return false;
-        }
-        public boolean exceptionThrown(ExceptionEvent event) {
-            return false;
-        }
-        public boolean stepCompleted(StepEvent event) {
-            return false;
-        }
-        public boolean classPrepared(ClassPrepareEvent event) {
-            return false;
-        }
-        public boolean classUnloaded(ClassUnloadEvent event) {
-            return false;
-        }
-        public boolean methodEntered(MethodEntryEvent event) {
-            return false;
-        }
-        public boolean methodExited(MethodExitEvent event) {
-            return false;
-        }
-        public boolean fieldAccessed(AccessWatchpointEvent event) {
-            return false;
-        }
-        public boolean fieldModified(ModificationWatchpointEvent event) {
-            return false;
-        }
-        public boolean threadStarted(ThreadStartEvent event) {
-            return false;
-        }
-        public boolean threadDied(ThreadDeathEvent event) {
-            return false;
-        }
-        public boolean vmStarted(VMStartEvent event) {
-            return false;
-        }
-        public boolean vmDied(VMDeathEvent event) {
-            return false;
-        }
-        public boolean vmDisconnected(VMDisconnectEvent event) {
-            return false;
-        }
-    }
-
-    private class EventHandler implements Runnable {
-        EventHandler() {
-            Thread thread = new Thread(this);
-            thread.setDaemon(true);
-            thread.start();
-        }
-
-        private boolean notifyEvent(TargetListener listener, Event event) {
-            if (listener.eventReceived(event) == true) {
-                return true;
-            } else if (event instanceof BreakpointEvent) {
-                return listener.breakpointReached((BreakpointEvent)event);
-            } else if (event instanceof ExceptionEvent) {
-                return listener.exceptionThrown((ExceptionEvent)event);
-            } else if (event instanceof StepEvent) {
-                return listener.stepCompleted((StepEvent)event);
-            } else if (event instanceof ClassPrepareEvent) {
-                return listener.classPrepared((ClassPrepareEvent)event);
-            } else if (event instanceof ClassUnloadEvent) {
-                return listener.classUnloaded((ClassUnloadEvent)event);
-            } else if (event instanceof MethodEntryEvent) {
-                return listener.methodEntered((MethodEntryEvent)event);
-            } else if (event instanceof MethodExitEvent) {
-                return listener.methodExited((MethodExitEvent)event);
-            } else if (event instanceof AccessWatchpointEvent) {
-                return listener.fieldAccessed((AccessWatchpointEvent)event);
-            } else if (event instanceof ModificationWatchpointEvent) {
-                return listener.fieldModified((ModificationWatchpointEvent)event);
-            } else if (event instanceof ThreadStartEvent) {
-                return listener.threadStarted((ThreadStartEvent)event);
-            } else if (event instanceof ThreadDeathEvent) {
-                return listener.threadDied((ThreadDeathEvent)event);
-            } else if (event instanceof VMStartEvent) {
-                return listener.vmStarted((VMStartEvent)event);
-            } else if (event instanceof VMDeathEvent) {
-                return listener.vmDied((VMDeathEvent)event);
-            } else if (event instanceof VMDisconnectEvent) {
-                return listener.vmDisconnected((VMDisconnectEvent)event);
-            } else {
-                throw new InternalError("Unknown event type: " + event.getClass());
-            }
-        }
-
-        private void traceSuspendPolicy(int policy) {
-            if (shouldTrace) {
-                switch (policy) {
-                case EventRequest.SUSPEND_NONE:
-                    traceln("JDI: runloop: suspend = SUSPEND_NONE");
-                    break;
-                case EventRequest.SUSPEND_ALL:
-                    traceln("JDI: runloop: suspend = SUSPEND_ALL");
-                    break;
-                case EventRequest.SUSPEND_EVENT_THREAD:
-                    traceln("JDI: runloop: suspend = SUSPEND_EVENT_THREAD");
-                    break;
-                }
-            }
-        }
-
-        public void run() {
-            boolean connected = true;
-            do {
-                try {
-                    EventSet set = vm.eventQueue().remove();
-                    traceSuspendPolicy(set.suspendPolicy());
-                    synchronized (listeners) {
-                        ListIterator iter = listeners.listIterator();
-                        while (iter.hasNext()) {
-                            TargetListener listener = (TargetListener)iter.next();
-                            traceln("JDI: runloop: listener = " + listener);
-                            if (listener.eventSetReceived(set) == true) {
-                                iter.remove();
-                            } else {
-                                Iterator jter = set.iterator();
-                                while (jter.hasNext()) {
-                                    Event event = (Event)jter.next();
-                                    traceln("JDI: runloop:    event = " + event.getClass());
-                                    if (event instanceof VMDisconnectEvent) {
-                                        connected = false;
-                                    }
-                                    if (notifyEvent(listener, event) == true) {
-                                        iter.remove();
-                                        break;
-                                    }
-                                }
-                                traceln("JDI: runloop:   end of events loop");
-                                if (listener.eventSetComplete(set) == true) {
-                                    iter.remove();
-                                }
-                            }
-                        traceln("JDI: runloop: end of listener");
-                        }
-                    }
-                } catch (InterruptedException e) {
-                }
-                traceln("JDI: runloop: end of outer loop");
-            } while (connected);
-        }
-    }
-
-    /**
-     * Constructor
-     */
-    public JDIScaffold() {
-    }
-
-    public void enableScaffoldTrace() {
-        this.shouldTrace = true;
-    }
-
-    public void disableScaffoldTrace() {
-        this.shouldTrace = false;
-    }
-
-
-    /*
-     * Test cases should implement tests in runTests and should
-     * initiate testing by calling run().
-     */
-    abstract protected void runTests() throws Exception;
-
-    final public void startTests() throws Exception {
-        try {
-            runTests();
-        } finally {
-            shutdown();
-        }
-    }
-
-    protected void println(String str) {
-        System.err.println(str);
-    }
-
-    protected void traceln(String str) {
-        if (shouldTrace) {
-            println(str);
-        }
-    }
-
-    private ArgInfo parseArgs(String args[]) {
-        ArgInfo argInfo = new ArgInfo();
-        for (int i = 0; i < args.length; i++) {
-            if (args[i].equals("-connect")) {
-                i++;
-                argInfo.connectorSpec = args[i];
-            } else if (args[i].equals("-trace")) {
-                i++;
-                argInfo.traceFlags = Integer.decode(args[i]).intValue();
-            } else if (args[i].startsWith("-J")) {
-                argInfo.targetVMArgs += (args[i].substring(2) + ' ');
-
-                /*
-                 * classpath can span two arguments so we need to handle
-                 * it specially.
-                 */
-                if (args[i].equals("-J-classpath")) {
-                    i++;
-                    argInfo.targetVMArgs += (args[i] + ' ');
-                }
-            } else {
-                argInfo.targetAppCommandLine += (args[i] + ' ');
-            }
-        }
-        return argInfo;
-    }
-
-    public void connect(String args[]) {
-        ArgInfo argInfo = parseArgs(args);
-
-        argInfo.targetVMArgs += VMConnection.getDebuggeeVMOptions();
-        connection = new VMConnection(argInfo.connectorSpec,
-                                      argInfo.traceFlags);
-        if (!connection.isLaunch()) {
-            throw new UnsupportedOperationException(
-                                 "Listening and Attaching not yet supported");
-        }
-
-        /*
-         * Add a listener to track VM start/death/disconnection and
-         * to update status fields accordingly.
-         */
-        addListener(new TargetAdapter() {
-                        public boolean vmStarted(VMStartEvent event) {
-                            traceln("JDI: listener1:  got VMStart");
-                            synchronized(JDIScaffold.this) {
-                                vmStartThread = event.thread();
-                                JDIScaffold.this.notifyAll();
-                            }
-                            return false;
-                        }
-
-                        public boolean vmDied(VMDeathEvent event) {
-                            traceln("JDI: listener1:  got VMDeath");
-                            synchronized(JDIScaffold.this) {
-                                vmDied = true;
-                                JDIScaffold.this.notifyAll();
-                            }
-                            return false;
-                        }
-
-                        public boolean vmDisconnected(VMDisconnectEvent event) {
-                            traceln("JDI: listener1:  got VMDisconnectedEvent");
-                            synchronized(JDIScaffold.this) {
-                                vmDisconnected = true;
-                                JDIScaffold.this.notifyAll();
-                            }
-                            return false;
-                        }
-                    });
-
-        if (connection.connector().name().equals("com.sun.jdi.CommandLineLaunch")) {
-            if (argInfo.targetVMArgs.length() > 0) {
-                if (connection.connectorArg("options").length() > 0) {
-                    throw new IllegalArgumentException("VM options in two places");
-                }
-                connection.setConnectorArg("options", argInfo.targetVMArgs);
-            }
-            if (argInfo.targetAppCommandLine.length() > 0) {
-                if (connection.connectorArg("main").length() > 0) {
-                    throw new IllegalArgumentException("Command line in two places");
-                }
-                connection.setConnectorArg("main", argInfo.targetAppCommandLine);
-            }
-        }
-
-        vm = connection.open();
-        requestManager = vm.eventRequestManager();
-        new EventHandler();
-    }
-
-
-    public VirtualMachine vm() {
-        return vm;
-    }
-
-    public EventRequestManager eventRequestManager() {
-        return requestManager;
-    }
-
-    public void addListener(TargetListener listener) {
-        listeners.add(listener);
-    }
-
-    public void removeListener(TargetListener listener) {
-        listeners.remove(listener);
-    }
-
-    public synchronized ThreadReference waitForVMStart() {
-        while ((vmStartThread == null) && !vmDisconnected) {
-            try {
-                wait();
-            } catch (InterruptedException e) {
-            }
-        }
-
-        if (vmStartThread == null) {
-            throw new VMDisconnectedException();
-        }
-
-        return vmStartThread;
-    }
-
-    public synchronized void waitForVMDeath() {
-        while (!vmDied && !vmDisconnected) {
-            try {
-                traceln("JDI: waitForVMDeath:  waiting");
-                wait();
-            } catch (InterruptedException e) {
-            }
-        }
-        traceln("JDI: waitForVMDeath:  done waiting");
-
-        if (!vmDied) {
-            throw new VMDisconnectedException();
-        }
-    }
-
-    public Event waitForRequestedEvent(final EventRequest request) {
-        class EventNotification {
-            Event event;
-            boolean disconnected = false;
-        }
-        final EventNotification en = new EventNotification();
-
-        TargetAdapter adapter = new TargetAdapter() {
-            public boolean eventReceived(Event event) {
-                if (request.equals(event.request())) {
-                    synchronized (en) {
-                        en.event = event;
-                        en.notifyAll();
-                    }
-                    return true;
-                } else if (event instanceof VMDisconnectEvent) {
-                    synchronized (en) {
-                        en.disconnected = true;
-                        en.notifyAll();
-                    }
-                    return true;
-                } else {
-                    return false;
-                }
-            }
-        };
-
-        addListener(adapter);
-
-        try {
-            synchronized (en) {
-                vm.resume();
-                while (!en.disconnected && (en.event == null)) {
-                    en.wait();
-                }
-            }
-        } catch (InterruptedException e) {
-            return null;
-        }
-
-        if (en.disconnected) {
-            throw new RuntimeException("VM Disconnected before requested event occurred");
-        }
-        return en.event;
-    }
-
-    private StepEvent doStep(ThreadReference thread, int gran, int depth) {
-        final StepRequest sr =
-                  requestManager.createStepRequest(thread, gran, depth);
-
-        sr.addClassExclusionFilter("java.*");
-        sr.addClassExclusionFilter("javax.*");
-        sr.addClassExclusionFilter("sun.*");
-        sr.addClassExclusionFilter("com.sun.*");
-        sr.addClassExclusionFilter("com.oracle.*");
-        sr.addClassExclusionFilter("oracle.*");
-        sr.addClassExclusionFilter("jdk.internal.*");
-        sr.addCountFilter(1);
-        sr.enable();
-        StepEvent retEvent = (StepEvent)waitForRequestedEvent(sr);
-        requestManager.deleteEventRequest(sr);
-        return retEvent;
-    }
-
-    public StepEvent stepIntoInstruction(ThreadReference thread) {
-        return doStep(thread, StepRequest.STEP_MIN, StepRequest.STEP_INTO);
-    }
-
-    public StepEvent stepIntoLine(ThreadReference thread) {
-        return doStep(thread, StepRequest.STEP_LINE, StepRequest.STEP_INTO);
-    }
-
-    public StepEvent stepOverInstruction(ThreadReference thread) {
-        return doStep(thread, StepRequest.STEP_MIN, StepRequest.STEP_OVER);
-    }
-
-    public StepEvent stepOverLine(ThreadReference thread) {
-        return doStep(thread, StepRequest.STEP_LINE, StepRequest.STEP_OVER);
-    }
-
-    public StepEvent stepOut(ThreadReference thread) {
-        return doStep(thread, StepRequest.STEP_LINE, StepRequest.STEP_OUT);
-    }
-
-    public BreakpointEvent resumeTo(Location loc) {
-        final BreakpointRequest request =
-            requestManager.createBreakpointRequest(loc);
-        request.addCountFilter(1);
-        request.enable();
-        return (BreakpointEvent)waitForRequestedEvent(request);
-    }
-
-    public ReferenceType findReferenceType(String name) {
-        List rts = vm.classesByName(name);
-        Iterator iter = rts.iterator();
-        while (iter.hasNext()) {
-            ReferenceType rt = (ReferenceType)iter.next();
-            if (rt.name().equals(name)) {
-                return rt;
-            }
-        }
-        return null;
-    }
-
-    public Method findMethod(ReferenceType rt, String name, String signature) {
-        List methods = rt.methods();
-        Iterator iter = methods.iterator();
-        while (iter.hasNext()) {
-            Method method = (Method)iter.next();
-            if (method.name().equals(name) &&
-                method.signature().equals(signature)) {
-                return method;
-            }
-        }
-        return null;
-    }
-
-    public Location findLocation(ReferenceType rt, int lineNumber)
-                         throws AbsentInformationException {
-        List locs = rt.locationsOfLine(lineNumber);
-        if (locs.size() == 0) {
-            throw new IllegalArgumentException("Bad line number");
-        } else if (locs.size() > 1) {
-            throw new IllegalArgumentException("Line number has multiple locations");
-        }
-
-        return (Location)locs.get(0);
-    }
-
-    public BreakpointEvent resumeTo(String clsName, String methodName,
-                                         String methodSignature) {
-        ReferenceType rt = findReferenceType(clsName);
-        if (rt == null) {
-            rt = resumeToPrepareOf(clsName).referenceType();
-        }
-
-        Method method = findMethod(rt, methodName, methodSignature);
-        if (method == null) {
-            throw new IllegalArgumentException("Bad method name/signature");
-        }
-
-        return resumeTo(method.location());
-    }
-
-    public BreakpointEvent resumeTo(String clsName, int lineNumber) throws AbsentInformationException {
-        ReferenceType rt = findReferenceType(clsName);
-        if (rt == null) {
-            rt = resumeToPrepareOf(clsName).referenceType();
-        }
-
-        return resumeTo(findLocation(rt, lineNumber));
-    }
-
-    public ClassPrepareEvent resumeToPrepareOf(String className) {
-        final ClassPrepareRequest request =
-            requestManager.createClassPrepareRequest();
-        request.addClassFilter(className);
-        request.addCountFilter(1);
-        request.enable();
-        return (ClassPrepareEvent)waitForRequestedEvent(request);
-    }
-
-    public void resumeToVMDeath() {
-        // If we are very close to VM death, we might get a VM disconnect
-        // before resume is complete. In that case ignore any VMDisconnectException
-        // and let the waitForVMDeath to clean up.
-        try {
-            traceln("JDI: resumeToVMDeath:  resuming");
-            vm.resume();
-            traceln("JDI: resumeToVMDeath:  resumed");
-        } catch (VMDisconnectedException e) {
-            // clean up below
-        }
-        waitForVMDeath();
-    }
-
-    public void shutdown() {
-        shutdown(null);
-    }
-
-    public void shutdown(String message) {
-        if ((connection != null) && !vmDied) {
-            try {
-                connection.disposeVM();
-            } catch (VMDisconnectedException e) {
-                // Shutting down after the VM has gone away. This is
-                // not an error, and we just ignore it.
-            }
-        }
-        if (message != null) {
-            System.out.println(message);
-        }
-    }
-}
--- a/test/jdk/com/sun/jdi/NativeInstanceFilter.java	Fri Feb 23 13:42:48 2018 -0800
+++ b/test/jdk/com/sun/jdi/NativeInstanceFilter.java	Fri Feb 23 11:31:22 2018 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2018, 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
@@ -27,7 +27,7 @@
  * @summary Instance filter doesn't filter event if it occurs in native method
  * @author Keith McGuigan
  *
- * @run build JDIScaffold VMConnection
+ * @run build TestScaffold VMConnection
  * @compile -XDignore.symbol.file NativeInstanceFilterTarg.java
  * @run driver NativeInstanceFilter
  */
@@ -41,56 +41,24 @@
 import com.sun.jdi.event.*;
 import com.sun.jdi.request.*;
 
-public class NativeInstanceFilter extends JDIScaffold {
+public class NativeInstanceFilter extends TestScaffold {
 
     static int unfilteredEvents = 0;
+    EventSet eventSet = null;
+    ObjectReference instance = null;
 
     public static void main(String args[]) throws Exception {
-        new NativeInstanceFilter().startTests();
+        new NativeInstanceFilter(args).startTests();
     }
 
-    public NativeInstanceFilter() {
-        super();
+    public NativeInstanceFilter(String args[]) {
+        super(args);
     }
 
     static EventRequestManager requestManager = null;
     static MethodExitRequest request = null;
     static ThreadReference mainThread = null;
 
-    private void listen() {
-        TargetAdapter adapter = new TargetAdapter() {
-            EventSet set = null;
-            ObjectReference instance = null;
-
-            public boolean eventSetReceived(EventSet set) {
-                this.set = set;
-                return false;
-            }
-
-            public boolean methodExited(MethodExitEvent event) {
-                String name = event.method().name();
-                if (instance == null && name.equals("latch")) {
-                    // Grab the instance (return value) and set up as filter
-                    System.out.println("Setting up instance filter");
-                    instance = (ObjectReference)event.returnValue();
-                    requestManager.deleteEventRequest(request);
-                    request = requestManager.createMethodExitRequest();
-                    request.addInstanceFilter(instance);
-                    request.addThreadFilter(mainThread);
-                    request.enable();
-                } else if (instance != null && name.equals("intern")) {
-                    // If not for the filter, this will be called twice
-                    System.out.println("method exit event (String.intern())");
-                    ++unfilteredEvents;
-                }
-                set.resume();
-                return false;
-            }
-        };
-        addListener(adapter);
-    }
-
-
     protected void runTests() throws Exception {
         String[] args = new String[2];
         args[0] = "-connect";
@@ -99,21 +67,25 @@
         connect(args);
         waitForVMStart();
 
-        // VM has started, but hasn't started running the test program yet.
+        BreakpointEvent bpe = resumeTo("NativeInstanceFilterTarg", "main", "([Ljava/lang/String;)V");
+        mainThread = bpe.thread();
         requestManager = vm().eventRequestManager();
-        ClassPrepareEvent e = resumeToPrepareOf("NativeInstanceFilterTarg");
-        ReferenceType referenceType = e.referenceType();
-        mainThread = e.thread();
 
         request = requestManager.createMethodExitRequest();
         request.addThreadFilter(mainThread);
         request.enable();
 
-        listen();
+        try {
+            addListener(this);
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            failure("failure: Could not add listener");
+            throw new Exception("NativeInstanceFilter: failed");
+        }
 
         vm().resume();
 
-        waitForVMDeath();
+        waitForVMDisconnect();
 
         if (unfilteredEvents != 1) {
             throw new Exception(
@@ -121,4 +93,27 @@
         }
         System.out.println("Passed: Event filtered out.");
     }
+
+    public void eventSetReceived(EventSet set) {
+        this.eventSet = set;
+    }
+
+    public void methodExited(MethodExitEvent event) {
+        String name = event.method().name();
+        if (instance == null && name.equals("latch")) {
+            // Grab the instance (return value) and set up as filter
+            System.out.println("Setting up instance filter");
+            instance = (ObjectReference)event.returnValue();
+            requestManager.deleteEventRequest(request);
+            request = requestManager.createMethodExitRequest();
+            request.addInstanceFilter(instance);
+            request.addThreadFilter(mainThread);
+            request.enable();
+        } else if (instance != null && name.equals("intern")) {
+            // If not for the filter, this will be called twice
+            System.out.println("method exit event (String.intern())");
+            ++unfilteredEvents;
+        }
+        eventSet.resume();
+    }
 }