public async Task BroadcastToSelf() { var mockReceiver = new StreamingHubBroadcastTestHubReceiverMock(); var hub = server.CreateStreamingHubClient <IStreamingHubBroadcastTestHub, IStreamingHubBroadcastTestHubReceiver>(mockReceiver); await hub.RegisterConnectionToGroup(); var mockReceiverOther = new StreamingHubBroadcastTestHubReceiverMock(); var hubOther = server.CreateStreamingHubClient <IStreamingHubBroadcastTestHub, IStreamingHubBroadcastTestHubReceiver>(mockReceiverOther); await hubOther.RegisterConnectionToGroup(); Assert.False(mockReceiver.HasCalled); Assert.False(mockReceiverOther.HasCalled); await hub.CallBroadcastToSelfAsync(); await Task.Delay(10); // NOTE: The receivers may not receive broadcast yet at this point. // Target: Self Assert.True(mockReceiver.HasCalled); Assert.False(mockReceiverOther.HasCalled); }