Added test for subscriber in tas::RemoteMatlabPub

src/controllers/remotetas/RemoteMatlabPub.cpp

@@ -54,19 +54,23 @@ RemoteMatlabPub::RemoteMatlabPub(const RemoteMatlabPub& controller) :
 
 RemoteMatlabPub::~RemoteMatlabPub() {
 
-	// Stop the subscriber
-	m_subscriber->cancel();
+	// Test the subscriber
+	if (m_subscriber.get() != 0) {
 
-	// The subscriber thread terminates
-	m_subscriberThread->join();
+		// Stop the subscriber
+		m_subscriber->cancel();
 
-	// Notify the application
-	m_publisher->sendEnd();
+		// The subscriber thread terminates
+		m_subscriberThread->join();
 
-	// Wait for the termination
-	application::State state = m_matlabApplication->waitFor();
+		// Notify the application
+		m_publisher->sendEnd();
 
-	cout << "Matlab application terminated with state " << application::toString(state) << endl;
+		// Wait for the termination
+		application::State state = m_matlabApplication->waitFor();
+
+		cout << "Matlab application terminated with state " << application::toString(state) << endl;
+	}
 }
 
 void RemoteMatlabPub::postConfiguration() {