public void Returns_If_Timer_NotNull()
 {
     var stopwatchProvider = new StopwatchTimerProvider();
     var timer = new PerformanceTimerProviderFactory(stopwatchProvider);
     var monitor = timer.Start("test");
     Assert.NotNull(monitor);
 }
 public void Returns_Null_If_Provider_Null()
 {
     var timer = new PerformanceTimerProviderFactory(null);
     var monitor = timer.Start("test");
     Assert.Null(monitor);
 }