public override void doIt(MArgList args)
{
MArgDatabase argData = new MArgDatabase(syntax, args);
if (argData.isFlagSet(deregisterFlag))
{
string eventName = argData.flagArgumentString(deregisterFlag, 0);
MUserEventMessage.deregisterUserEvent(eventName);
}
else if (argData.isFlagSet(registerFlag))
{
// Register the new event and add two fixed callbacks to it.
string eventName = argData.flagArgumentString(registerFlag, 0);
if (!MUserEventMessage.isUserEvent(eventName))
{
MUserEventMessage.registerUserEvent(eventName);
userCB cb1 = new userCB();
cb1.clientData = "Sample Client Data (an MString object)";
MUserEventMessage.UserEvent[eventName] += cb1.userCallback1;
MUserEventMessage.UserEvent[eventName] += cb1.userCallback2;
}
}
else if (argData.isFlagSet(postFlag))
{
string eventName = argData.flagArgumentString(postFlag, 0);
MUserEventMessage.postUserEvent(eventName);
}
else if (argData.isFlagSet(testFlag))
{
runTests();
}
return;
}
public void runTests()
{
// Test 1: Try to register callback for nonexistent event
MGlobal.displayInfo("Starting Test 1");
userCB cb = new userCB();
try
{
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback1;
MGlobal.displayInfo("Test 1 failed");
}
catch (System.Exception)
{
MGlobal.displayInfo("Test 1 passed");
}
// Test 2: Register and deregister an event
// - Expected output: Entered userMessage.userCallback1
MGlobal.displayInfo("Starting Test 2");
MUserEventMessage.registerUserEvent("TestEvent");
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback1;
MUserEventMessage.postUserEvent("TestEvent");
MUserEventMessage.deregisterUserEvent("TestEvent");
// Test 3: The event should be gone
MGlobal.displayInfo("Starting Test 3");
try
{
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback1;
MGlobal.displayInfo("Test 3 failed");
}
catch (System.Exception)
{
MGlobal.displayInfo("Test 3 passed");
}
// Test 4: Try adding multiple callbacks to an event
// Expected output: Entered userMessage.userCallback1
// Entered userMessage.userCallback2
MGlobal.displayInfo("Starting Test 4");
MUserEventMessage.registerUserEvent("TestEvent");
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback1;
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback2;
MUserEventMessage.postUserEvent("TestEvent");
MUserEventMessage.deregisterUserEvent("TestEvent");
// Test 5: Try adding and posting to multiple events
// Expected output: Posting first event
// Entered userMessage.userCallback1
// Entered userMessage.userCallback2
// Posting second event
// Entered userMessage.userCallback1
// Entered userMessage.userCallback2
MGlobal.displayInfo("Starting Test 5");
MUserEventMessage.registerUserEvent("TestEvent");
MUserEventMessage.registerUserEvent("TestEvent2");
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback1;
MUserEventMessage.UserEvent["TestEvent"] += cb.userCallback2;
MUserEventMessage.UserEvent["TestEvent2"] += cb.userCallback1;
MUserEventMessage.UserEvent["TestEvent2"] += cb.userCallback2;
MGlobal.displayInfo("Posting first event");
MUserEventMessage.postUserEvent("TestEvent");
MGlobal.displayInfo("Posting second event");
MUserEventMessage.postUserEvent("TestEvent2");
MUserEventMessage.deregisterUserEvent("TestEvent");
MUserEventMessage.deregisterUserEvent("TestEvent2");
MGlobal.displayInfo("Completed all tests");
}