public void HandleException_ExpectExceptionToBeLogged_WhenNoMessage() { const string message = "This is the message"; const string exceptionMessage = "This is the exception"; Mock <IEventLogger> eventLogger = MockBuilder.CreateIEventLogger(message); ContinueOnExceptionHandler handler = new ContinueOnExceptionHandler(eventLogger.Object); Exception ex = new Exception(exceptionMessage); handler.HandleException(null, ex); Assert.Equal(1, eventLogger.Invocations.Count); eventLogger.Verify(a => a.LogEvent(exceptionMessage)); }