public void DownloadSpeed_WithTwoItemsAndDifferentSpeeds_CalculatesCorrectSpeed()
{
const int totalBytes = 10000;
var startDate = DateTime.Now;
var downloadSpeed = new DownloadSpeed(startDate);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(400), totalBytes, 500);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(1000), totalBytes, 1000);
Assert.AreEqual(1000, downloadSpeed.BytesPerSecond);
}
public void DownloadSpeedWithTwoItems_EstimatedRemainingDuration_CalculatesCorrectDuration()
{
const int totalBytes = 10000;
var startDate = DateTime.Now;
var downloadSpeed = new DownloadSpeed(startDate);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(500), totalBytes, 500);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(1000), totalBytes, 1000);
Assert.AreEqual(TimeSpan.FromSeconds(9), downloadSpeed.EstimatedRemainingDuration);
}
public void DownloadSpeedWithTwoItems_AfterReset_ValuesAreResetted()
{
const int totalBytes = 10000;
var startDate = DateTime.Now;
var downloadSpeed = new DownloadSpeed(startDate);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(500), totalBytes, 500);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(1000), totalBytes, 1000);
downloadSpeed.Reset();
Assert.AreEqual(0, downloadSpeed.BytesPerSecond);
}
public void DownloadSpeed_WithCapacity_WithDoubleCapacityItems_CalculatesCorrectSpeedForSecondHalf()
{
const int totalBytes = 10000;
var startDate = DateTime.Now;
var downloadSpeed = new DownloadSpeed(startDate);
downloadSpeed.Capacity = 2;
downloadSpeed.ReportProgress(startDate.AddMilliseconds(500), totalBytes, 500);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(1000), totalBytes, 1000);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(1500), totalBytes, 2000);
downloadSpeed.ReportProgress(startDate.AddMilliseconds(2000), totalBytes, 3000);
Assert.AreEqual(2000, downloadSpeed.BytesPerSecond);
}
public void DownloadSpeed()
{
const int totalBytes = 10000;
var startDate = DateTime.Now;
var downloadSpeed = new DownloadSpeed(startDate);
downloadSpeed.ReportProgress(startDate, totalBytes, 0);
Assert.AreEqual(0, downloadSpeed.BytesPerSecond);
}