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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
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* 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.
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package nsk.jdi.WatchpointEvent.field;
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.io.*;
import java.util.Iterator;
import java.util.List;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
// This class is the debugger in the test
public class field001 {
static final int PASSED = 0;
static final int FAILED = 2;
static final int JCK_STATUS_BASE = 95;
static final int TIMEOUT_DELTA = 1000; // milliseconds
static final String COMMAND_READY = "ready";
static final String COMMAND_QUIT = "quit";
static final String COMMAND_GO = "go";
static final String COMMAND_DONE = "done";
static final String DEBUGGEE_NAME = "nsk.jdi.WatchpointEvent.field.field001a";
static final String CHECKED_CLASS_NAME = "nsk.jdi.WatchpointEvent.field.CheckedClass";
static final int EXPECTED_ACCESS_EVENTS = field001a.ACCESS_COUNT;
static final int EXPECTED_MODIFICATION_EVENTS = field001a.MODIFICATIONS_COUNT;
static private Debugee debuggee;
static private VirtualMachine vm;
static private IOPipe pipe;
static private Log log;
static private ArgumentHandler argHandler;
static private EventSet eventSet;
static private ReferenceType rType;
static private WatchpointRequest wpRequest;
static private List fieldsList;
static private volatile boolean testFailed;
static private volatile boolean done;
static private volatile int requestsCount, awpEventsCount, mwpEventsCount;
public static void main (String args[]) {
System.exit(run(args, System.out) + JCK_STATUS_BASE);
}
public static int run(final String args[], final PrintStream out) {
testFailed = false;
done = false;
requestsCount = 0;
awpEventsCount = 0;
mwpEventsCount = 0;
argHandler = new ArgumentHandler(args);
log = new Log(out, argHandler);
// launch debuggee
Binder binder = new Binder(argHandler, log);
log.display("Connecting to debuggee");
debuggee = binder.bindToDebugee(DEBUGGEE_NAME);
debuggee.redirectStderr(log, "field001a >");
pipe = debuggee.createIOPipe();
vm = debuggee.VM();
// resume debuggee
log.display("Resuming debuggee");
debuggee.resume();
// check for debuggee's capabilities
if (!debuggee.VM().canWatchFieldAccess()) {
log.display("TEST WARNING: test passed because JDI implementation does not support " +
"watchpoints for field access");
pipe.println(COMMAND_QUIT);
debuggee.waitFor();
return field001.PASSED;
}
if (!debuggee.VM().canWatchFieldModification()) {
log.display("TEST WARNING: test passed because JDI implementation does not support " +
"watchpoints for field modification");
pipe.println(COMMAND_QUIT);
debuggee.waitFor();
return field001.PASSED;
}
// catch all exceptions while testing
try {
// wait for debuggee started
log.display("Waiting for command: " + COMMAND_READY);
String command = pipe.readln();
if (command == null || !command.equals(COMMAND_READY)) {
throw new Failure("TEST BUG: unexpected debuggee's command: " + command);
}
if ((rType = debuggee.classByName(CHECKED_CLASS_NAME)) == null) {
throw new Failure("TEST BUG: cannot find " + CHECKED_CLASS_NAME);
}
// create event requests
log.display("Creating requests for WatchpointEvent");
EventRequestManager erManager = debuggee.VM().eventRequestManager();
Iterator fieldsIter;
try {
fieldsList = rType.fields();
fieldsIter = fieldsList.iterator();
} catch (ClassNotPreparedException e) {
throw new Failure( "TEST_BUG: " + rType.name() + " is not prepared");
}
while (fieldsIter.hasNext()) {
Field refField = (Field)fieldsIter.next();
if ((wpRequest = erManager.createAccessWatchpointRequest(refField)) == null) {
throw new Failure("TEST BUG: unable to create AccessWatchpointRequest");
} else {
log.display("AccessWatchpointRequest for field " + refField.name() + " created");
wpRequest.enable();
}
if ((wpRequest = erManager.createModificationWatchpointRequest(refField)) == null) {
throw new Failure("TEST BUG: unable to create ModificationWatchpointRequest");
} else {
log.display("ModificationWatchpointRequest for field " + refField.name() + " created");
wpRequest.enable();
}
requestsCount++;
}
log.display("Created total " + requestsCount + " WatchpointRequests");
// define separate thread for handling events
class EventHandler extends Thread {
public void run() {
eventSet = null;
try {
// handle events until all events generated and received
while (!(done
&& awpEventsCount >= EXPECTED_ACCESS_EVENTS
&& mwpEventsCount >= EXPECTED_MODIFICATION_EVENTS)) {
eventSet = null;
eventSet = vm.eventQueue().remove(TIMEOUT_DELTA);
if (eventSet == null)
continue;
EventIterator eventIterator = eventSet.eventIterator();
while (eventIterator.hasNext()) {
Event event = eventIterator.nextEvent();
// log.display("Event received: " + event);
// handle WatchpointEvent
if (event instanceof WatchpointEvent) {
WatchpointEvent castedEvent = (WatchpointEvent)event;
Field evField = castedEvent.field();
Field evField1 = castedEvent.field();
if (event instanceof AccessWatchpointEvent) {
awpEventsCount++;
log.display("AccessWatchpointEvent received for " + evField.name());
} else if (event instanceof ModificationWatchpointEvent) {
mwpEventsCount++;
log.display("ModificationWatchpointEvent received for " + evField.name());
}
if (evField == null) {
log.complain("FAILURE 1: WatchpointEvent.field() returns null");
testFailed = true;
} else if (evField != evField1) {
log.complain("FAILURE 2: method fieldd() returns inconsistent results for " +
evField.name() + "\nevField: " + evField + " ; evField1: " + evField1);
testFailed = true;
} else if (!(fieldsList.contains(evField))) {
log.complain("FAILURE 3: Watchpoint.field() returns unknown field");
testFailed = true;
} else {
log.display("WatchpointEvent received for " + evField.name());
}
}
}
// resume each hamdled event set
eventSet.resume();
}
} catch (InterruptedException e) {
log.complain("TEST INCOMPLETE: caught InterruptedException while waiting for event");
testFailed = true;
} catch (VMDisconnectedException e) {
log.complain("TEST INCOMPLETE: caught VMDisconnectedException while waiting for event");
testFailed = true;
}
log.display("eventHandler completed");
}
}
// start event handling thread
EventHandler eventHandler = new EventHandler();
log.display("Starting eventHandler");
eventHandler.start();
// force debuggee to generate events
log.display("Sending command: " + COMMAND_GO);
pipe.println(COMMAND_GO);
// wait for confirmation from debugee
log.display("Waiting for command: " + COMMAND_DONE);
command = pipe.readln();
if (command == null || !command.equals(COMMAND_DONE)) {
throw new Failure("TEST BUG: unexpected debuggee's command: " + command);
}
// notify EventHandler that all events generated
done = true;
// wait for all expected events received
log.display("Waiting for all expected events received");
try {
eventHandler.join(argHandler.getWaitTime()*60000);
if (eventHandler.isAlive()) {
log.complain("FAILURE 20: Timeout for waiting of event was exceeded");
eventHandler.interrupt();
testFailed = true;
}
} catch (InterruptedException e) {
log.complain("TEST INCOMPLETE: InterruptedException caught while waiting for eventHandler's death");
testFailed = true;
}
// check for all expected events received
if (awpEventsCount == 0) {
log.complain("FAILURE 4: No AccessWatchpointEvents were received");
testFailed = true;
} else if (awpEventsCount < EXPECTED_ACCESS_EVENTS) {
log.complain("FAILURE 4: Too few AccessWatchpointEvents were received: "
+ (EXPECTED_ACCESS_EVENTS - awpEventsCount) + " not received");
testFailed = true;
} else if (awpEventsCount > EXPECTED_ACCESS_EVENTS) {
log.complain("FAILURE 4: Too many AccessWatchpointEvents were received: "
+ "extra " + (awpEventsCount - EXPECTED_ACCESS_EVENTS) + " received");
testFailed = true;
} else {
log.display("All expected AccessWatchpointEvents were received: "
+ awpEventsCount + " events");
}
if (mwpEventsCount == 0) {
log.complain("FAILURE 4: No ModificationWatchpointEvents were received");
testFailed = true;
} else if (mwpEventsCount < EXPECTED_MODIFICATION_EVENTS) {
log.complain("FAILURE 4: Too few ModificationWatchpointEvents were received: "
+ (EXPECTED_MODIFICATION_EVENTS - mwpEventsCount) + " not received");
testFailed = true;
} else if (mwpEventsCount > EXPECTED_MODIFICATION_EVENTS) {
log.complain("FAILURE 4: Too many ModificationWatchpointEvents were received: "
+ "extra " + (mwpEventsCount - EXPECTED_MODIFICATION_EVENTS) + " received");
testFailed = true;
} else {
log.display("All expected ModificationWatchpointEvents were received: "
+ mwpEventsCount + " events");
}
} catch (Failure e) {
log.complain("TEST FAILURE: " + e.getMessage());
testFailed = true;
} catch (Exception e) {
log.complain("Unexpected exception: " + e);
e.printStackTrace(out);
testFailed = true;
} finally {
log.display("");
// force debugee to exit
log.display("Sending command: " + COMMAND_QUIT);
pipe.println(COMMAND_QUIT);
// wait for debuggee exits and analize its exit code
log.display("Waiting for debuggee terminating");
int debuggeeStatus = debuggee.endDebugee();
if (debuggeeStatus == PASSED + JCK_STATUS_BASE) {
log.display("Debuggee PASSED with exit code: " + debuggeeStatus);
} else {
log.complain("Debuggee FAILED with exit code: " + debuggeeStatus);
testFailed = true;
}
}
// check test results
if (testFailed) {
log.complain("TEST FAILED");
return FAILED;
}
log.display("TEST PASSED");
return PASSED;
}
}