8207367: 10 vmTestbase/nsk/jdi tests timed out when running with jtreg
Reviewed-by: sspitsyn, cjplummer
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package nsk.jdi.Event._itself_;
import com.sun.jdi.Field;
import com.sun.jdi.ReferenceType;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.request.AccessWatchpointRequest;
import com.sun.jdi.request.EventRequestManager;
import com.sun.jdi.VMDisconnectedException;
import com.sun.jdi.VMMismatchException;
import com.sun.jdi.event.*;
import java.util.Iterator;
import java.util.List;
import java.io.*;
import jdk.test.lib.Utils;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
/**
* The test checks up the JDI interface
* <b>com.sun.jdi.event.Event.</b>
* A debugger part of
* the test creates several <code>AccessWatchpointRequest</code>s, and
* verifies that all appropriate events have been generated by a target
* VM. Then, the debugger removes one request via
* <code>deleteEventRequest()</code> call. Finally, the test checks
* that the event corresponding to the deleted request, are not generated.
*/
public class event001 {
public static final int PASSED = 0;
public static final int FAILED = 2;
public static final int JCK_STATUS_BASE = 95;
static final String DEBUGGEE_CLASS =
"nsk.jdi.Event._itself_.event001t";
static final String COMMAND_READY = "ready";
static final String COMMAND_QUIT = "quit";
static final int FLDS_NUM = 3;
static final String COMMAND_RUN[] = {
"run1", "run2", "run3"
};
static final String DEBUGGEE_FLDS[][] = {
{"byte", "byteFld"},
{"short", "shortFld"},
{"int", "intFld"}
};
private volatile int accFCount[] = {
0, 0, 0
};
private int DEL_NUM = 1; // deleted request number
private ArgumentHandler argHandler;
private Log log;
private IOPipe pipe;
private Debugee debuggee;
private VirtualMachine vm;
private EventListener elThread;
private volatile AccessWatchpointRequest awpRequest[];
private volatile int tot_res = PASSED;
// for notification a main thread about received events
private Object gotEvent = new Object();
public static void main (String argv[]) {
System.exit(run(argv,System.out) + JCK_STATUS_BASE);
}
public static int run(String argv[], PrintStream out) {
return new event001().runIt(argv, out);
}
private int runIt(String args[], PrintStream out) {
argHandler = new ArgumentHandler(args);
log = new Log(out, argHandler);
Binder binder = new Binder(argHandler, log);
ReferenceType rType;
List fields;
String cmd;
debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);
pipe = debuggee.createIOPipe();
debuggee.redirectStderr(log, "event001t.err> ");
vm = debuggee.VM();
EventRequestManager erManager = vm.eventRequestManager();
debuggee.resume();
cmd = pipe.readln();
if (!cmd.equals(COMMAND_READY)) {
log.complain("TEST BUG: unknown debuggee's command: "
+ cmd);
tot_res = FAILED;
return quitDebuggee();
}
if ( !vm.canWatchFieldAccess() ) {
log.display(" TEST CANCELLED due to: vm.canWatchFieldAccess() == false");
return quitDebuggee();
}
// Create testing requests
if ((rType = debuggee.classByName(DEBUGGEE_CLASS)) == null) {
log.complain("TEST FAILURE: Method Debugee.classByName() returned null");
tot_res = FAILED;
return quitDebuggee();
}
try {
fields = rType.allFields();
} catch (Exception e) {
log.complain("TEST FAILURE: allFields: " + e);
tot_res = FAILED;
return quitDebuggee();
}
if (createRequests(erManager, fields) == FAILED) {
tot_res = FAILED;
return quitDebuggee();
}
// Create a thread listening JDI events
elThread = new EventListener();
elThread.setPriority(Thread.NORM_PRIORITY + 2);
synchronized(gotEvent) {
elThread.start();
// Check all requested AccessWatchpointRequest events
for (int i=0; i<FLDS_NUM; i++) {
awpRequest[i].enable();
}
log.display("\na) Getting all requested AccessWatchpointEvents...");
if (checkEvents(-1) == FAILED) {
tot_res = FAILED;
return quitDebuggee();
}
log.display("\nb) Getting AccessWatchpointEvents without request #"
+ DEL_NUM + "...");
// Remove one AccessWatchpointRequest
log.display("\nRemoving AccessWatchpointRequest #"
+ DEL_NUM + " for the debuggee's field:\n\t"
+ DEBUGGEE_FLDS[DEL_NUM][0] + " " + DEBUGGEE_FLDS[DEL_NUM][1]);
try {
erManager.deleteEventRequest(awpRequest[DEL_NUM]);
} catch (VMMismatchException e) {
log.complain("TEST FAILED: EventRequestManager.deleteEventRequest: caught"
+ e);
e.printStackTrace();
tot_res = FAILED;
return quitDebuggee();
}
// Check remained AccessWatchpointRequests
if (checkEvents(DEL_NUM) == FAILED) {
tot_res = FAILED;
return quitDebuggee();
}
// Finish the test
for (int i=0; i<FLDS_NUM; i++) {
/* NOTE: for the jdk1.4: an InvalidRequestStateException could be
checked for deleted request, but for the jdk1.3.x
the InvalidRequestStateException is unspecified.
So, I'm forced to omit disabling of deleted request */
if (i != DEL_NUM)
awpRequest[i].disable();
}
}
return quitDebuggee();
}
private int createRequests(EventRequestManager erManager,
List fields) {
Field fld = null;
int i = 0;
awpRequest =
new AccessWatchpointRequest[FLDS_NUM];
for (i=0; i<FLDS_NUM; i++) {
boolean notFound = true;
Iterator iter = fields.iterator();
while (iter.hasNext()) {
fld = (Field) iter.next();
if (fld.name().equals(DEBUGGEE_FLDS[i][1]) &&
fld.typeName().equals(DEBUGGEE_FLDS[i][0])) {
log.display("Creating AccessWatchpointRequest for the debuggee's field:\n\t"
+ fld.typeName() + " " + fld.name());
try {
awpRequest[i] = erManager.createAccessWatchpointRequest(fld);
} catch (Exception e) {
log.complain("TEST FAILED: createAccessWatchpointRequest: caught "
+ e);
return FAILED;
}
notFound = false;
break;
}
}
if (notFound) {
log.complain("TEST FAILED: found unexpected debuggee's field:\n\t"
+ fld.typeName() + " " + fld.name());
return FAILED;
}
}
return PASSED;
}
private int runTestCase(int i) {
String token = null;
log.display("\n" + (i+1) + ") Sending the command \""
+ COMMAND_RUN[i] + "\" to a debuggee");
pipe.println(COMMAND_RUN[i]);
// wait for a requested event
try {
gotEvent.wait(Utils.adjustTimeout(argHandler.getWaitTime()*1000));
} catch (InterruptedException e) {
log.complain("TEST FAILURE: waiting for a requested AccessWatchpointEvent #"
+ i + ": caught " + e);
e.printStackTrace();
return FAILED;
}
log.display("Notification about the AccessWatchpointEvent #"
+ i + " received,\n\tor time has elapsed");
if ((token = pipe.readln()) == null) {
log.complain("TEST FAILURE: debuggee's reply is empty, probably due to the VM crash");
return FAILED;
}
if (!token.equals(COMMAND_READY)) {
log.complain("TEST BUG: unknown debuggee's command: " + token);
return FAILED;
}
else log.display("Debuggee's reply received: "
+ token);
return PASSED;
}
private int checkEvents(int excl_num) {
for (int i=0; i<FLDS_NUM; i++) {
accFCount[i] = 0;
if (runTestCase(i) == FAILED)
return FAILED;
if (i == excl_num) {
if (accFCount[i] != 0) {
log.complain("TEST FAILED: got AccessWatchpointEvent for the following field:\n\t"
+ DEBUGGEE_FLDS[i][0] + " " + DEBUGGEE_FLDS[i][1]
+ "\n\tbut corresponding request has been deleted via EventRequestManager.deleteEventRequest()");
tot_res = FAILED;
} else
log.display("\nTEST PASSED: no event for the deleted AccessWatchpointRequest #"
+ i);
} else {
if (accFCount[i] != 0) {
log.display("Got expected AccessWatchpointEvent for the following debuggee's field:\n\t"
+ DEBUGGEE_FLDS[i][0] + " " + DEBUGGEE_FLDS[i][1]);
} else {
log.complain("TEST FAILED: no AccessWatchpointEvent for the following field:\n\t"
+ DEBUGGEE_FLDS[i][0] + " " + DEBUGGEE_FLDS[i][1]);
tot_res = FAILED;
}
}
}
return PASSED;
}
private int quitDebuggee() {
if (elThread != null) {
elThread.isConnected = false;
try {
if (elThread.isAlive())
elThread.join();
} catch (InterruptedException e) {
log.complain("TEST INCOMPLETE: caught InterruptedException "
+ e);
tot_res = FAILED;
}
}
pipe.println(COMMAND_QUIT);
debuggee.waitFor();
int debStat = debuggee.getStatus();
if (debStat != (JCK_STATUS_BASE + PASSED)) {
log.complain("TEST FAILED: debuggee's process finished with status: "
+ debStat);
tot_res = FAILED;
} else
log.display("Debuggee's process finished with status: "
+ debStat);
return tot_res;
}
class EventListener extends Thread {
public volatile boolean isConnected = true;
public void run() {
try {
do {
EventSet eventSet = vm.eventQueue().remove(1000);
if (eventSet != null) { // there is not a timeout
EventIterator it = eventSet.eventIterator();
while (it.hasNext()) {
Event event = it.nextEvent();
if (event instanceof VMDeathEvent) {
tot_res = FAILED;
isConnected = false;
log.complain("TEST FAILED: caught unexpected VMDeathEvent");
} else if (event instanceof VMDisconnectEvent) {
tot_res = FAILED;
isConnected = false;
log.complain("TEST FAILED: caught unexpected VMDisconnectEvent");
} else {
log.display("EventListener: following JDI event occured: "
+ event.toString());
if (event instanceof AccessWatchpointEvent) {
AccessWatchpointEvent awpEvent =
(AccessWatchpointEvent) event;
Field fld = awpEvent.field();
boolean notFound = true;
for (int i=0; i<FLDS_NUM; i++) {
if (awpRequest[i].equals(event.request())) {
log.display("EventListener: AccessWatchpointEvent for the debuggee's field #"
+ i + ":\n\t" + fld.typeName()
+ " " + fld.name());
accFCount[i] += 1;
notFound = false;
log.display("EventListener: notifying about the received event #"
+ i);
synchronized(gotEvent) {
gotEvent.notify(); // notify the main thread
}
break;
}
}
if (notFound) {
log.complain("TEST FAILED: found in the received AccessWatchpointEvent\n\tunexpected debuggee's field "
+ fld.typeName() + " " + fld.name());
tot_res = FAILED;
}
}
}
}
if (isConnected) {
eventSet.resume();
}
}
} while (isConnected);
} catch (InterruptedException e) {
tot_res = FAILED;
log.complain("FAILURE in EventListener: caught unexpected "
+ e);
} catch (VMDisconnectedException e) {
tot_res = FAILED;
log.complain("FAILURE in EventListener: caught unexpected "
+ e);
e.printStackTrace();
}
log.display("EventListener: exiting");
}
}
}