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package nsk.jdi.EventRequestManager.createStepRequest;
import com.sun.jdi.ThreadReference;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.request.StepRequest;
import com.sun.jdi.request.EventRequestManager;
import com.sun.jdi.request.DuplicateRequestException;
import com.sun.jdi.ObjectCollectedException;
import com.sun.jdi.VMMismatchException;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.io.*;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
/**
* The test checks that only one pending JDI step request is
* allowed per thread, i.e. the JDI method
* <code>com.sun.jdi.request.EventRequestManager.createStepRequest()</code>
* properly throws a <code>DuplicateRequestException</code> if there
* is already a pending step request for the specified thread.
*/
public class crstepreq001 {
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.EventRequestManager.createStepRequest.crstepreq001t";
static final String DEBUGGEE_THRD = "debuggee_thr";
static final String COMMAND_READY = "ready";
static final String COMMAND_QUIT = "quit";
static final int RSTS_NUM = 6;
static final int RESTRICTIONS[][] = {
{StepRequest.STEP_MIN, StepRequest.STEP_INTO},
{StepRequest.STEP_MIN, StepRequest.STEP_OVER},
{StepRequest.STEP_MIN, StepRequest.STEP_OUT},
{StepRequest.STEP_LINE, StepRequest.STEP_INTO},
{StepRequest.STEP_LINE, StepRequest.STEP_OVER},
{StepRequest.STEP_LINE, StepRequest.STEP_OUT}
};
private Log log;
private IOPipe pipe;
private Debugee debuggee;
private int tot_res = PASSED;
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 crstepreq001().runIt(argv, out);
}
private int runIt(String args[], PrintStream out) {
ArgumentHandler argHandler = new ArgumentHandler(args);
log = new Log(out, argHandler);
Binder binder = new Binder(argHandler, log);
ThreadReference thR = null;
List threads;
List<StepRequest> enabledStepRequests = new LinkedList<>();
String cmd;
debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);
pipe = debuggee.createIOPipe();
debuggee.redirectStderr(log, "crstepreq001t.err> ");
VirtualMachine 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);
return quitDebuggee(FAILED);
}
try {
threads = vm.allThreads();
} catch (Exception e) {
log.complain("TEST FAILURE: allThreads: " + e);
return quitDebuggee(FAILED);
}
Iterator iter = threads.iterator();
while (iter.hasNext()) {
thR = (ThreadReference) iter.next();
if (thR.name().equals(DEBUGGEE_THRD)) {
log.display("\nCreating StepRequest for the debuggee's thread \""
+ thR.name() + "\"");
try {
StepRequest sReq = erManager.createStepRequest(thR,
RESTRICTIONS[0][0],RESTRICTIONS[0][1]);
sReq.enable();
enabledStepRequests.add(sReq);
} catch (DuplicateRequestException e) {
log.complain("TEST FAILURE: createStepRequest: caught " + e);
return quitDebuggee(FAILED);
} catch (ObjectCollectedException e) {
log.complain("TEST FAILURE: createStepRequest: caught " + e);
return quitDebuggee(FAILED);
} catch (VMMismatchException e) {
log.complain("TEST FAILURE: createStepRequest: caught " + e);
return quitDebuggee(FAILED);
}
break;
}
}
// Check that createStepRequest() throws DuplicateRequestException
// to indicate a duplicate event request per thread
for(int i=0; i<RSTS_NUM; i++) {
log.display("\n" + (i+1)
+ ") Trying to create a duplicate StepRequest object\n\twith size="
+ RESTRICTIONS[i][0] + "; depth="
+ RESTRICTIONS[i][1] + " for the debuggee's thread \""
+ thR.name() + "\"");
try {
StepRequest sReq = erManager.createStepRequest(thR,
RESTRICTIONS[i][0], RESTRICTIONS[i][1]);
log.complain("TEST CASE #" + (i+1)
+ " FAILED: createStepRequest successfully done\n"
+ "\tfor a duplicate StepRequest object per the specified thread \""
+ thR.name() + "\"\n"
+ "\tbut it should throw DuplicateRequestException");
tot_res = FAILED;
} catch (DuplicateRequestException e) {
log.display("TEST CASE #" + (i+1)
+ " PASSED: createStepRequest: caught " + e);
} catch (ObjectCollectedException e) {
log.complain("TEST CASE #" + (i+1)
+ " FAILED: createStepRequest: caught " + e);
log.complain("\tbut it should throw DuplicateRequestException");
tot_res = FAILED;
} catch (VMMismatchException e) {
log.complain("TEST CASE #" + (i+1)
+ " FAILED: createStepRequest: caught " + e);
log.complain("\tbut it should throw DuplicateRequestException");
tot_res = FAILED;
}
}
enabledStepRequests.forEach(s -> erManager.deleteEventRequest(s));
// There is a chance that a single step event had been posted after
// the step request was created and before it was deleted. In this
// case the debuggee VM is in the suspended state.
vm.resume();
return quitDebuggee(tot_res);
}
private int quitDebuggee(int stat) {
pipe.println(COMMAND_QUIT);
debuggee.waitFor();
return stat;
}
}