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);
}
}
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);
}
