public void CalculationOfBitsPerSecondFailsOnIllegalDifference()
{
DateTime start = DateTime.Now;
DateTime end = start.AddSeconds(1);
Assert.Throws <ArgumentException>(() => TransmissionProgressEventArgs.CalcBitsPerSecond(end, start, 100));
}
/// <summary>
/// Calculates the bandwidth.
/// </summary>
/// <param name='transmittedBytes'>
/// Transmitted bytes.
/// </param>
private void CalculateBandwidth(int transmittedBytes)
{
this.bytesTransmittedSinceLastSecond += transmittedBytes;
TimeSpan diff = DateTime.Now - this.start;
long? pos;
long? length = null;
try {
pos = Stream.Position;
if (pos > this.transmissionEvent.Status.Length)
{
length = this.Stream.Length;
}
} catch (NotSupportedException) {
pos = null;
}
if (diff.Seconds >= 1)
{
long?result = TransmissionProgressEventArgs.CalcBitsPerSecond(this.start, DateTime.Now, this.bytesTransmittedSinceLastSecond);
this.transmissionEvent.ReportProgress(new TransmissionProgressEventArgs {
ActualPosition = pos, BitsPerSecond = result, Length = length
});
this.bytesTransmittedSinceLastSecond = 0;
this.start = this.start + diff;
this.blockingDetectionTimer.Stop();
this.blockingDetectionTimer.Start();
}
else
{
this.transmissionEvent.ReportProgress(new TransmissionProgressEventArgs {
ActualPosition = pos, Length = length
});
}
}
public void CalculateBitsPerSecondWithOneMilisecondDifference()
{
DateTime start = DateTime.Now;
DateTime end = start.AddMilliseconds(1);
long? bitsPerSecond = TransmissionProgressEventArgs.CalcBitsPerSecond(start, end, 1);
Assert.AreEqual(8000, bitsPerSecond);
}
/// <summary>
/// Close this instance and calculates the bandwidth of the last second.
/// </summary>
public override void Close()
{
long?result = TransmissionProgressEventArgs.CalcBitsPerSecond(this.start, DateTime.Now.AddMilliseconds(1), this.bytesTransmittedSinceLastSecond);
this.transmissionEvent.ReportProgress(new TransmissionProgressEventArgs()
{
BitsPerSecond = result
});
base.Close();
}
public void CalcBitsPerSecondWithOneSecondDifference()
{
DateTime start = DateTime.Now;
DateTime end = start.AddSeconds(1);
long? bitsPerSecond = TransmissionProgressEventArgs.CalcBitsPerSecond(start, end, 1);
Assert.AreEqual(8, bitsPerSecond);
bitsPerSecond = TransmissionProgressEventArgs.CalcBitsPerSecond(start, start, 100);
Assert.Null(bitsPerSecond);
bitsPerSecond = TransmissionProgressEventArgs.CalcBitsPerSecond(start, end, 100);
Assert.AreEqual(8 * 100, bitsPerSecond);
}