private void Arrange() { var random = new Random(); _localChannelNumber = (uint)random.Next(0, int.MaxValue); _localWindowSize = (uint)random.Next(2000, 3000); _localPacketSize = (uint)random.Next(1000, 2000); _remoteChannelNumber = (uint)random.Next(0, int.MaxValue); _remoteWindowSize = (uint)random.Next(0, int.MaxValue); _remotePacketSize = (uint)random.Next(100, 200); _sessionSemaphore = new SemaphoreLight(1); _channelClosedRegister = new List<ChannelEventArgs>(); _channelExceptionRegister = new List<ExceptionEventArgs>(); _sessionMock = new Mock<ISession>(MockBehavior.Strict); _connectionInfoMock = new Mock<IConnectionInfo>(MockBehavior.Strict); var sequence = new MockSequence(); _sessionMock.InSequence(sequence).Setup(p => p.ConnectionInfo).Returns(_connectionInfoMock.Object); _connectionInfoMock.InSequence(sequence).Setup(p => p.RetryAttempts).Returns(1); _sessionMock.Setup(p => p.SessionSemaphore).Returns(_sessionSemaphore); _sessionMock.InSequence(sequence) .Setup( p => p.SendMessage( It.Is<ChannelOpenMessage>( m => m.LocalChannelNumber == _localChannelNumber && m.InitialWindowSize == _localWindowSize && m.MaximumPacketSize == _localPacketSize && m.Info is SessionChannelOpenInfo))); _sessionMock.InSequence(sequence) .Setup(p => p.WaitOnHandle(It.IsNotNull<WaitHandle>())) .Callback<WaitHandle>( w => { _sessionMock.Raise( s => s.ChannelOpenConfirmationReceived += null, new MessageEventArgs<ChannelOpenConfirmationMessage>( new ChannelOpenConfirmationMessage( _localChannelNumber, _remoteWindowSize, _remotePacketSize, _remoteChannelNumber))); w.WaitOne(); }); _sessionMock.InSequence(sequence).Setup(p => p.IsConnected).Returns(true); _sessionMock.InSequence(sequence) .Setup( p => p.TrySendMessage(It.Is<ChannelEofMessage>(m => m.LocalChannelNumber == _remoteChannelNumber))) .Returns(true); _sessionMock.InSequence(sequence).Setup(p => p.IsConnected).Returns(true); _sessionMock.InSequence(sequence) .Setup( p => p.TrySendMessage(It.Is<ChannelCloseMessage>(m => m.LocalChannelNumber == _remoteChannelNumber))) .Returns(true); _sessionMock.InSequence(sequence) .Setup(p => p.WaitOnHandle(It.IsNotNull<WaitHandle>())) .Callback<WaitHandle>( w => { _sessionMock.Raise( s => s.ChannelCloseReceived += null, new MessageEventArgs<ChannelCloseMessage>(new ChannelCloseMessage(_localChannelNumber))); w.WaitOne(); }); _channel = new ChannelSession(_sessionMock.Object, _localChannelNumber, _localWindowSize, _localPacketSize); _channel.Closed += (sender, args) => _channelClosedRegister.Add(args); _channel.Exception += (sender, args) => _channelExceptionRegister.Add(args); _channel.Open(); }