public void EnsureThatPausingStreamUpdatesBitsPerSecondToZero() { byte[] inputContent = new byte[1024]; bool isMoreThanZeroReported = false; bool isNotifiedZero = false; using (var inputStream = new MemoryStream(inputContent)) using (var outputStream = new MemoryStream()) using (var underTest = new BandwidthNotifyingStream(inputStream)) { underTest.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs args) { if ((sender as BandwidthNotifyingStream).BitsPerSecond > 0) { isMoreThanZeroReported = true; } }; underTest.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs args) { if ((sender as BandwidthNotifyingStream).BitsPerSecond == 0) { isNotifiedZero = true; } }; var task = Task.Factory.StartNew(() => { underTest.CopyTo(outputStream); System.Threading.Thread.Sleep(4200); }); task.Wait(2200); Assert.That(isMoreThanZeroReported, Is.True); task.Wait(); Assert.That(underTest.BitsPerSecond, Is.EqualTo(0)); Assert.That(isNotifiedZero, Is.True); } }
/// <summary> /// Initializes a new instance of the <see cref="CmisSync.Lib.Streams.TransmissionStream"/> class. /// </summary> /// <param name="wrappedStream">Wrapped stream.</param> /// <param name="transmission">Transmission object to be notified about changes and listened to events as well.</param> public TransmissionStream(Stream wrappedStream, Transmission transmission) { if (transmission == null) { throw new ArgumentNullException("transmission"); } this.abort = new AbortableStream(wrappedStream); this.pause = new PausableStream(this.abort); this.bandwidthNotify = new BandwidthNotifyingStream(this.pause); this.progress = new ProgressStream(this.bandwidthNotify); this.abort.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { var a = sender as AbortableStream; if (e.PropertyName == Utils.NameOf(() => a.Exception)) { transmission.Status = TransmissionStatus.ABORTED; transmission.FailedException = a.Exception; } }; this.bandwidthNotify.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { var s = sender as BandwidthNotifyingStream; if (e.PropertyName == Utils.NameOf(() => s.BitsPerSecond)) { transmission.BitsPerSecond = s.BitsPerSecond; } }; this.progress.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { var p = sender as ProgressStream; if (e.PropertyName == Utils.NameOf(() => p.Position)) { transmission.Position = p.Position; } else if (e.PropertyName == Utils.NameOf(() => p.Length)) { transmission.Length = p.Length; } }; transmission.PropertyChanged += (object sender, PropertyChangedEventArgs e) => { var t = sender as Transmission; if (e.PropertyName == Utils.NameOf(() => t.Status)) { if (t.Status == TransmissionStatus.ABORTING) { this.abort.Abort(); this.pause.Resume(); } else if (t.Status == TransmissionStatus.PAUSED) { this.pause.Pause(); } else if (t.Status == TransmissionStatus.TRANSMITTING) { this.pause.Resume(); } } }; if (transmission.Status == TransmissionStatus.ABORTING || transmission.Status == TransmissionStatus.ABORTED) { this.abort.Abort(); } }
public void EnsureBandwidthIsReportedIfProgressIsShorterThanOneSecond() { byte[] inputContent = new byte[1024]; bool isMoreThanZeroReported = false; using (var inputStream = new MemoryStream(inputContent)) using (var outputStream = new MemoryStream()) using (var underTest = new BandwidthNotifyingStream(inputStream)) { underTest.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs args) { if ((sender as BandwidthNotifyingStream).BitsPerSecond > 0) { isMoreThanZeroReported = true; } }; underTest.CopyTo(outputStream); Assert.That(outputStream.Length == inputContent.Length); } Assert.That(isMoreThanZeroReported, Is.True); }