/*
* Copyright (c) 2002, 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
* 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.
*/
package nsk.jdi.EventRequestManager.createStepRequest;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
import com.sun.jdi.*;
import com.sun.jdi.connect.*;
import com.sun.jdi.request.*;
import com.sun.jdi.event.*;
import java.io.*;
import java.util.*;
/**
*/
public class crstepreq008 {
//----------------------------------------------------- immutable common fields
static final int PASSED = 0;
static final int FAILED = 2;
static final int PASS_BASE = 95;
static final int quit = -1;
private int instruction = 1;
private int waitTime;
private static int exitCode = PASSED;
private ArgumentHandler argHandler;
private Log log;
private Debugee debuggee;
private VirtualMachine vm;
private ReferenceType debuggeeClass;
private EventRequestManager eventRManager;
private EventSet eventSet;
private EventIterator eventIterator;
//------------------------------------------------------ mutable common fields
private final static String prefix = "nsk.jdi.EventRequestManager.createStepRequest";
private final static String className = ".crstepreq008";
private final static String debuggerName = prefix + className;
private final static String debuggeeName = debuggerName + "a";
static final int lineForBreak = 62;
//------------------------------------------------------ immutable common methods
public static void main (String argv[]) {
System.exit(run(argv, System.out) + PASS_BASE);
}
//------------------------------------------------------ test specific fields
static final int maxCase = 4;
static final String[] brakeMethods = {
"caseRun",
"m00",
"m02",
"m02"
};
static final int[][] checkedLines = {
{ 152, 152, 152},
{ 174, 174, 174},
{ 182, 182, 183},
{ 183, 183, 183}
};
static final String debuggeeThreadName = prefix + ".Thread0crstepreq008a";
//------------------------------------------------------ mutable common methods
public static int run (String argv[], PrintStream out) {
int exitStatus = new crstepreq008().runThis(argv, out);
System.out.println (exitStatus == PASSED ? "TEST PASSED" : "TEST FAILED");
return exitCode;
}
private int runThis(String argv[], PrintStream out) {
argHandler = new ArgumentHandler(argv);
log = new Log(out, argHandler);
waitTime = argHandler.getWaitTime() * 60000;
try {
Binder binder = new Binder(argHandler, log);
debuggee = binder.bindToDebugee(debuggeeName);
debuggee.redirectStderr(log, "");
eventRManager = debuggee.getEventRequestManager();
vm = debuggee.VM();
eventRManager = vm.eventRequestManager();
debuggeeClass = waitForDebuggeeClassPrepared();
execTest();
debuggee.resume();
getEventSet();
if (eventIterator.nextEvent() instanceof VMDeathEvent) {
display("Waiting for the debuggee's finish...");
debuggee.waitFor();
display("Getting the debuggee's exit status.");
int status = debuggee.getStatus();
if (status != (PASSED + PASS_BASE)) {
complain("Debuggee returned UNEXPECTED exit status: " + status);
exitCode = Consts.TEST_FAILED;
}
} else {
throw new TestBug("Last event is not the VMDeathEvent");
}
} catch (VMDisconnectedException e) {
exitCode = Consts.TEST_FAILED;
complain("The test cancelled due to VMDisconnectedException.");
e.printStackTrace(out);
display("Trying: vm.process().destroy();");
if (vm != null) {
Process vmProcess = vm.process();
if (vmProcess != null) {
vmProcess.destroy();
}
}
} catch (Exception e) {
exitCode = Consts.TEST_FAILED;
complain("Unexpected Exception: " + e.getMessage());
e.printStackTrace(out);
complain("The test has not finished normally. Forcing: vm.exit().");
if (vm != null) {
vm.exit(PASSED + PASS_BASE);
}
debuggee.resume();
getEventSet();
}
return exitCode;
}
//--------------------------------------------------------- mutable common methods
private void execTest() {
BreakpointRequest bpRequest = setBreakpoint( null,
debuggeeClass,
"methodForCommunication",
lineForBreak,
"breakForCommunication");
bpRequest.enable();
StepRequest stepRequest = null;
display("TESTING BEGINS");
for (int testCase = 0; testCase < maxCase && instruction != quit; testCase++) {
instruction = getInstruction();
if (instruction == quit) {
vm.resume();
break;
}
display(":: CASE # " + testCase);
stepRequest = setStepRequest( bpRequest,
"thread" + testCase,
testCase,
"stepRequest" + testCase );
checkStepEvent( stepRequest,
"thread" + testCase,
testCase );
}
display("TESTING ENDS");
}
//--------------------------------------------------------- test specific methods
private StepRequest setStepRequest ( BreakpointRequest bpRequest,
String threadName,
int testCase,
String property ) {
StepRequest stepRequest = null;
for (;;) {
display("Wait for initial brakepoint event in " + threadName);
BreakpointEvent bpEvent = (BreakpointEvent)waitForEvent(bpRequest);
// check location of breakpoint event
int lineOfEvent = ((LocatableEvent)bpEvent).location().lineNumber();
if (lineOfEvent != lineForBreak) {
complain("Wrong line number of initial brakepoint event for " + threadName);
complain("\texpected value : " + lineForBreak + "; got one : " + lineOfEvent);
break;
}
display("Getting mirror of thread: " + threadName);
ThreadReference thread = debuggee.threadByNameOrThrow(threadName);
display("Getting ReferenceType of thread: " + threadName);
ReferenceType debuggeeThread = debuggee.classByName(debuggeeThreadName);
// set second breakpoint to suspend checked thread at the right location before
// setting step request
BreakpointRequest bpRequest1 = setBreakpoint( thread,
debuggeeThread,
brakeMethods[testCase],
checkedLines[testCase][0],
"");
bpRequest1.addCountFilter(1);
bpRequest1.enable();
display("Wait for additional brakepoint event in " + threadName);
bpEvent = (BreakpointEvent)waitForEvent(bpRequest1);
// check location of breakpoint event
lineOfEvent = ((LocatableEvent)bpEvent).location().lineNumber();
if (lineOfEvent != checkedLines[testCase][0]) {
complain("Wrong line number of additional brakepoint event for " + threadName);
complain("\texpected value : " + checkedLines[testCase][0] + "; got one : " + lineOfEvent);
break;
}
display("Setting a step request in thread: " + thread);
try {
stepRequest = eventRManager.createStepRequest ( thread,
StepRequest.STEP_MIN,
StepRequest.STEP_OVER );
stepRequest.putProperty("number", property);
} catch ( Exception e1 ) {
complain("setStepRequest(): unexpected Exception while creating StepRequest: " + e1);
break;
}
break;
}
if (stepRequest == null) {
throw new Failure("setStepRequest(): StepRequest has not been set up.");
}
display("setStepRequest(): StepRequest has been set up.");
return stepRequest;
}
private void checkStepEvent ( StepRequest stepRequest,
String threadName,
int testCase ) {
stepRequest.enable();
display("waiting for first StepEvent in " + threadName);
Event newEvent = waitForEvent(stepRequest);
display("got first StepEvent");
display("CHECK1 for line location of first StepEvent.");
int lineOfEvent = ((LocatableEvent)newEvent).location().lineNumber();
if (lineOfEvent != checkedLines[testCase][1]) {
complain("CHECK1 for line location of first StepEvent FAILED for CASE # " + testCase);
complain("\texpected value : " + checkedLines[testCase][1] + "; got one : " + lineOfEvent);
exitCode = FAILED;
} else {
display("CHECK1 PASSED");
}
display("waiting for second StepEvent in " + threadName);
newEvent = waitForEvent(stepRequest);
display("got second StepEvent");
display("CHECK2 for line location of second StepEvent.");
lineOfEvent = ((LocatableEvent)newEvent).location().lineNumber();
if (lineOfEvent != checkedLines[testCase][2]) {
complain("CHECK2 for line location of second StepEvent FAILED for CASE # " + testCase);
complain("\texpected value : " + checkedLines[testCase][2] + "; got one : " + lineOfEvent);
exitCode = FAILED;
} else {
display("CHECK2 PASSED");
}
stepRequest.disable();
eventRManager.deleteEventRequest(stepRequest);
stepRequest = null;
display("request for StepEvent in " + threadName + " is deleted");
}
//--------------------------------------------------------- immutable common methods
void display(String msg) {
log.display("debugger > " + msg);
}
void complain(String msg) {
log.complain("debugger FAILURE > " + msg);
}
/**
* Sets up a breakpoint at given line number within a given method in a given class
* for a given thread.
*
* Returns a BreakpointRequest object in case of success, otherwise throws Failure.
*/
private BreakpointRequest setBreakpoint ( ThreadReference thread,
ReferenceType testedClass,
String methodName,
int bpLine,
String property) {
display("Setting a breakpoint in :");
display(" thread: " + thread + "; class: " + testedClass +
"; method: " + methodName + "; line: " + bpLine + "; property: " + property);
List allLineLocations = null;
Location lineLocation = null;
BreakpointRequest breakpRequest = null;
try {
Method method = (Method) testedClass.methodsByName(methodName).get(0);
allLineLocations = method.allLineLocations();
display("Getting location for breakpoint...");
Iterator locIterator = allLineLocations.iterator();
while (locIterator.hasNext()) {
Location curLocation = (Location)locIterator.next();
int curNumber = curLocation.lineNumber();
if (curLocation.lineNumber() == bpLine) {
lineLocation = curLocation;
break;
}
}
if (lineLocation == null) {
throw new TestBug("Incorrect line number of methods' location");
}
try {
breakpRequest = eventRManager.createBreakpointRequest(lineLocation);
if (thread != null) {
breakpRequest.addThreadFilter(thread);
}
breakpRequest.putProperty("number", property);
} catch ( Exception e1 ) {
complain("setBreakpoint(): unexpected Exception while creating BreakpointRequest: " + e1);
breakpRequest = null;
}
} catch ( Exception e2 ) {
complain("setBreakpoint(): unexpected Exception while getting locations: " + e2);
breakpRequest = null;
}
if (breakpRequest == null) {
throw new Failure("setBreakpoint(): A breakpoint has not been set up.");
}
display("setBreakpoint(): A breakpoint has been set up.");
return breakpRequest;
}
private Event waitForEvent (EventRequest eventRequest) {
vm.resume();
Event resultEvent = null;
try {
eventSet = null;
eventIterator = null;
eventSet = vm.eventQueue().remove(waitTime);
if (eventSet == null) {
throw new Failure("TIMEOUT while waiting for an event");
}
eventIterator = eventSet.eventIterator();
while (eventIterator.hasNext()) {
Event curEvent = eventIterator.nextEvent();
if (curEvent instanceof VMDisconnectEvent) {
throw new Failure("Unexpected VMDisconnectEvent received.");
} else {
EventRequest evRequest = curEvent.request();
if (evRequest != null && evRequest.equals(eventRequest)) {
display("Requested event received: " + curEvent.toString() +
"; request property: " + (String) curEvent.request().getProperty("number"));
resultEvent = curEvent;
break;
} else {
throw new Failure("Unexpected event received: " + curEvent.toString());
}
}
}
} catch (Exception e) {
throw new Failure("Unexpected exception while waiting for an event: " + e);
}
return resultEvent;
}
private Event waitForEvent () {
vm.resume();
Event resultEvent = null;
try {
eventSet = null;
eventIterator = null;
eventSet = vm.eventQueue().remove(waitTime);
if (eventSet == null) {
throw new Failure("TIMEOUT while waiting for an event");
}
eventIterator = eventSet.eventIterator();
while (eventIterator.hasNext()) {
resultEvent = eventIterator.nextEvent();
if (resultEvent instanceof VMDisconnectEvent) {
throw new Failure("Unexpected VMDisconnectEvent received.");
}
}
} catch (Exception e) {
throw new Failure("Unexpected exception while waiting for an event: " + e);
}
return resultEvent;
}
private void getEventSet() {
try {
eventSet = vm.eventQueue().remove(waitTime);
if (eventSet == null) {
throw new Failure("TIMEOUT while waiting for an event");
}
eventIterator = eventSet.eventIterator();
} catch (Exception e) {
throw new Failure("getEventSet(): Unexpected exception while waiting for an event: " + e);
}
}
private ReferenceType waitForDebuggeeClassPrepared () {
display("Creating request for ClassPrepareEvent for debuggee.");
ClassPrepareRequest cpRequest = eventRManager.createClassPrepareRequest();
cpRequest.addClassFilter(debuggeeName);
cpRequest.addCountFilter(1);
cpRequest.enable();
ClassPrepareEvent event = (ClassPrepareEvent) waitForEvent(cpRequest);
cpRequest.disable();
if (!event.referenceType().name().equals(debuggeeName)) {
throw new Failure("Unexpected class name for ClassPrepareEvent : " + debuggeeClass.name());
}
return event.referenceType();
}
private int getInstruction () {
if (debuggeeClass == null) {
throw new Failure("getInstruction() :: debuggeeClass reference is null");
}
return ((IntegerValue) (debuggeeClass.getValue(debuggeeClass.fieldByName("instruction")))).value();
}
private void setInstruction (String instructionField) {
if (debuggeeClass == null) {
throw new Failure("getInstruction() :: debuggeeClass reference is null");
}
Field instrField = debuggeeClass.fieldByName("instruction");
IntegerValue instrValue = (IntegerValue) (debuggeeClass.getValue(debuggeeClass.fieldByName(instructionField)));
try {
((ClassType)debuggeeClass).setValue(instrField, instrValue );
} catch (InvalidTypeException e1) {
throw new Failure("Caught unexpected InvalidTypeException while setting value '" + instructionField + "' for instruction field");
} catch (ClassNotLoadedException e2) {
throw new Failure("Caught unexpected ClassNotLoadedException while setting value '" + instructionField + "' for instruction field");
}
}
}