public override int Read(byte[] buffer, int offset, int count)
{
var bytesRead = s.Read(buffer, offset, count);
progressCalc.SetBytesTransferred(DateTime.UtcNow.Ticks, bytesRead, s.Position, s.Length);
return(bytesRead);
}
public void ProgressTest()
{
var c = new StreamProgressCalculator(Ticks("1.01"), 3, 100);
c.SetBytesTransferred(Ticks("1.01"), 20 /* bytes */, 20 /* position */, 80 /* length */);
AssertProgress(20 / 80f, 0, null, c.Progress());
c.SetBytesTransferred(Ticks("1.01"), 10, 30, 80);
AssertProgress(30 / 80f, 0, null, c.Progress());
c.SetBytesTransferred(Ticks("1.11"), 10, 40, 80);
AssertProgress(40 / 80f, 10 * 30, null, c.Progress()); // progress = 40/80, bandwidth = 30 bytes in 1 window (1.01)
c.SetBytesTransferred(Ticks("1.11"), 10, 50, 80);
AssertProgress(50 / 80f, 10 * 30, null, c.Progress()); // progress = 50/80, bandwidth = 30 bytes in 1 window (1.01)
c.SetBytesTransferred(Ticks("1.31"), 10, 60, 80);
AssertProgress(60 / 80f, 10 * 50 / 3, null, c.Progress()); // progress = 60/80, bandwidth = 50 bytes in 3 windows (1.01-1.21)
c.SetBytesTransferred(Ticks("1.31"), 10, 70, 80);
AssertProgress(70 / 80f, 10 * 50 / 3, null, c.Progress()); // progress = 70/80, bandwidth = 50 bytes in 3 windows (1.01-1.21)
c.SetBytesTransferred(Ticks("1.41"), 10, 80, 80);
AssertProgress(80 / 80f, 10 * 40 / 3, 800 / 4f, c.Progress()); // progress = 80/80, bandwidth = 40 bytes in 3 windows (1.11-1.31), total bandwidth = 80 bytes in 0.4 seconds (1.01-1.41)
}