/*
* Copyright (c) 2001, 2020, 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.createModificationWatchpointRequest;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
import java.io.*;
/**
* The test for the implementation of an object of the type <BR>
* EventRequestManager. <BR>
* <BR>
* The test checks that results of the method <BR>
* <code>com.sun.jdi.EventRequestManager.createModificationWatchpointRequest()</code> <BR>
* complies with its spec. <BR>
* <BR>
* The test checks up on the following assertion: <BR>
* - Multiple watchpoints on the same field are permitted. <BR>
* - Creates a new disabled watchpoint. <BR>
* - The watchpoint watches modification of the specified field. <BR>
* - Throws: UnsupportedOperationException - <BR>
* if the target virtual machine does not support this operation. <BR>
* <BR>
* The test has three phases and works as follows. <BR>
* <BR>
* In first phase, <BR>
* upon launching debuggee's VM which will be suspended, <BR>
* a debugger waits for the VMStartEvent within a predefined <BR>
* time interval. If no the VMStartEvent received, the test is FAILED. <BR>
* Upon getting the VMStartEvent, it makes the request for debuggee's <BR>
* ClassPrepareEvent with SUSPEND_EVENT_THREAD, resumes the VM, <BR>
* and waits for the event within the predefined time interval. <BR>
* If no the ClassPrepareEvent received, the test is FAILED. <BR>
* Upon getting the ClassPrepareEvent, <BR>
* the debugger sets up the breakpoint with SUSPEND_EVENT_THREAD <BR>
* within debuggee's special methodForCommunication(). <BR>
* <BR>
* In second phase to check the assertion, <BR>
* the debugger and the debuggee perform the following. <BR>
* - The debugger resumes the debuggee and waits for the BreakpointEvent.<BR>
* - The debuggee prepares testcase and invokes <BR>
* the methodForCommunication to be suspended and <BR>
* to inform the debugger with the event. <BR>
* - Upon getting the BreakpointEvent, <BR>
* the debugger performs the checks required. <BR>
* <BR>
* In third phase, at the end of the test, the debuggee changes <BR>
* the value of the "instruction" which the debugger and debuggee <BR>
* use to inform each other of needed actions, and both end. <BR>
* <BR>
*/
public class crmodwtchpreq003 extends JDIBase {
public static void main (String argv[]) {
int result = run(argv, System.out);
System.exit(result + PASS_BASE);
}
public static int run (String argv[], PrintStream out) {
int exitCode = new crmodwtchpreq003().runThis(argv, out);
if (exitCode != PASSED) {
System.out.println("TEST FAILED");
}
return testExitCode;
}
// ************************************************ test parameters
private String debuggeeName =
"nsk.jdi.EventRequestManager.createModificationWatchpointRequest.crmodwtchpreq003a";
//====================================================== test program
private int runThis (String argv[], PrintStream out) {
argsHandler = new ArgumentHandler(argv);
logHandler = new Log(out, argsHandler);
Binder binder = new Binder(argsHandler, logHandler);
waitTime = argsHandler.getWaitTime() * 60000;
try {
log2("launching a debuggee :");
log2(" " + debuggeeName);
if (argsHandler.verbose()) {
debuggee = binder.bindToDebugee(debuggeeName + " -vbs");
} else {
debuggee = binder.bindToDebugee(debuggeeName);
}
if (debuggee == null) {
log3("ERROR: no debuggee launched");
return FAILED;
}
log2("debuggee launched");
} catch ( Exception e ) {
log3("ERROR: Exception : " + e);
log2(" test cancelled");
return FAILED;
}
debuggee.redirectOutput(logHandler);
vm = debuggee.VM();
eventQueue = vm.eventQueue();
if (eventQueue == null) {
log3("ERROR: eventQueue == null : TEST ABORTED");
vm.exit(PASS_BASE);
return FAILED;
}
log2("invocation of the method runTest()");
switch (runTest()) {
case 0 : log2("test phase has finished normally");
log2(" waiting for the debuggee to finish ...");
debuggee.waitFor();
log2("......getting the debuggee's exit status");
int status = debuggee.getStatus();
if (status != PASS_BASE) {
log3("ERROR: debuggee returned UNEXPECTED exit status: " +
status + " != PASS_BASE");
testExitCode = FAILED;
} else {
log2("......debuggee returned expected exit status: " +
status + " == PASS_BASE");
}
break;
default : log3("ERROR: runTest() returned unexpected value");
case 1 : log3("test phase has not finished normally: debuggee is still alive");
log2("......forcing: vm.exit();");
testExitCode = FAILED;
try {
vm.exit(PASS_BASE);
} catch ( Exception e ) {
log3("ERROR: Exception : " + e);
}
break;
case 2 : log3("test cancelled due to VMDisconnectedException");
log2("......trying: vm.process().destroy();");
testExitCode = FAILED;
try {
Process vmProcess = vm.process();
if (vmProcess != null) {
vmProcess.destroy();
}
} catch ( Exception e ) {
log3("ERROR: Exception : " + e);
}
break;
}
return testExitCode;
}
/*
* Return value: 0 - normal end of the test
* 1 - ubnormal end of the test
* 2 - VMDisconnectedException while test phase
*/
private int runTest() {
try {
testRun();
log2("waiting for VMDeathEvent");
getEventSet();
if (eventIterator.nextEvent() instanceof VMDeathEvent)
return 0;
log3("ERROR: last event is not the VMDeathEvent");
return 1;
} catch ( VMDisconnectedException e ) {
log3("ERROR: VMDisconnectedException : " + e);
return 2;
} catch ( Exception e ) {
log3("ERROR: Exception : " + e);
return 1;
}
}
private void testRun()
throws JDITestRuntimeException, Exception {
eventRManager = vm.eventRequestManager();
ClassPrepareRequest cpRequest = eventRManager.createClassPrepareRequest();
cpRequest.setSuspendPolicy( EventRequest.SUSPEND_EVENT_THREAD);
cpRequest.addClassFilter(debuggeeName);
cpRequest.enable();
vm.resume();
getEventSet();
cpRequest.disable();
ClassPrepareEvent event = (ClassPrepareEvent) eventIterator.next();
debuggeeClass = event.referenceType();
if (!debuggeeClass.name().equals(debuggeeName))
throw new JDITestRuntimeException("** Unexpected ClassName for ClassPrepareEvent **");
log2(" received: ClassPrepareEvent for debuggeeClass");
String bPointMethod = "methodForCommunication";
String lineForComm = "lineForComm";
ThreadReference mainThread = debuggee.threadByNameOrThrow("main");
BreakpointRequest bpRequest = settingBreakpoint(mainThread,
debuggeeClass,
bPointMethod, lineForComm, "zero");
bpRequest.enable();
//------------------------------------------------------ testing section
String fieldName = "testField";
Field field = null;
List requests = null;
ListIterator li = null;
ModificationWatchpointRequest mwRequest1 = null;
ModificationWatchpointRequest mwRequest2 = null;
log1(" TESTING BEGINS");
for (int i = 0; ; i++) {
vm.resume();
breakpointForCommunication();
int instruction = ((IntegerValue)
(debuggeeClass.getValue(debuggeeClass.fieldByName("instruction")))).value();
if (instruction == 0) {
vm.resume();
break;
}
log1(":::::: case: # " + i);
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ variable part
field = debuggeeClass.fieldByName(fieldName);
if ( vm.canWatchFieldModification() ) {
log2("......vm.canWatchFieldModification == true");
log2(" creating two ModificationWatchpointRequests for 'field': mwRequest1 & mwRequest2");
mwRequest1 = eventRManager.createModificationWatchpointRequest(field);
mwRequest2 = eventRManager.createModificationWatchpointRequest(field);
log2(" checking up on: requests are disabled");
if (mwRequest1.isEnabled()) {
testExitCode = FAILED;
log3("ERROR: mwRequest1 is enabled");
}
if (mwRequest2.isEnabled()) {
testExitCode = FAILED;
log3("ERROR: mwRequest2 is enabled");
}
log2(" compareing field equality");
if ( !mwRequest1.field().equals(field) ) {
testExitCode = FAILED;
log3("ERROR: !mwRequest1.field().equals(field)");
}
if ( !mwRequest2.field().equals(field) ) {
testExitCode = FAILED;
log3("ERROR: !mwRequest2.field().equals(field)");
}
} else {
log2("......vm.canWatchFieldModification == false");
log2(" UnsupportedOperationException is expected");
try {
mwRequest1 = eventRManager.createModificationWatchpointRequest(field);
testExitCode = FAILED;
log3("ERROR: NO UnsupportedOperationException");
} catch ( UnsupportedOperationException e ) {
}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
}
log1(" TESTING ENDS");
return;
}
}